Anesthesia system, anesthesia machine and ventilation control method

Abstract

An anesthesia system, an anesthesia machine and a ventilation control method implemented through an interactive interface, the anesthesia system comprising an anesthesia machine (100) and a ventilation device (200), the ventilation device (200) being used for selectively coupling or decoupling with the anesthesia machine (100); after the ventilation device (200) and the anesthesia machine (100) are decoupled, the ventilation device (200) independently provides periodic respiratory support for the patient; after the ventilation device (200) is coupled with the anesthesia machine (100), the ventilation device (200) provides periodic respiratory support for the patient independent of the anesthesia machine (100), or the anesthesia system receives operation on the ventilation device (200) through the anesthesia machine (100) to control the ventilation device (200) to provide periodic respiratory support for the patient.

Description

Anesthesia system, anesthesia machine and ventilation control method Technical Field

[0001] The present application relates to the field of medical device technology, and in particular to an anesthesia system, an anesthesia machine, and a ventilation control method. Background Art

[0002] The function of an anesthesia machine is to provide inhalation anesthesia and mechanical ventilation to patients during surgery. With the help of an anesthesia ventilator, the patient maintains airway patency, improves ventilation and oxygenation, and prevents hypoxia and CO2 accumulation. Therefore, the anesthesia machine's airway system must be connected to the patient's respiratory system and ensure airtightness for effective ventilation and anesthesia. The most common method is to insert a tracheal tube into the patient's trachea via endotracheal intubation.

[0003] However, in some surgeries involving the pharynx, trachea, bronchi, or lungs, endotracheal intubation cannot be used because it would obstruct the surgical site, making it impossible to perform the operation. Alternatively, this ventilation method would cause the surgical site to fluctuate cyclically with inhalation and exhalation, affecting the surgical outcome. Typically, high-frequency jet equipment, such as a high-frequency jet ventilator, is required. However, such equipment is rarely available in anesthesia operating rooms and is not used frequently. Many hospitals do not have the conditions for such surgeries, forcing the patient to be transferred to another hospital for surgery or to resort to other compromised methods, which greatly reduces the surgical outcome and even introduces surgical risks.

[0004] Summary of the Invention

[0005] According to a first aspect of the present invention, the present invention provides an anesthesia system comprising an anesthesia machine and a ventilation device;

[0006] The anesthesia machine includes a flow monitoring device, an anesthetic delivery device, a breathing circuit and a first ventilation control device;

[0007] The flow monitoring device is used to adjust the flow of the first gas; the anesthetic delivery device is used to mix the first gas with the anesthetic to obtain a second gas, and deliver the second gas to the breathing circuit; the breathing circuit is used to deliver the second gas to the patient; the first ventilation control device is used to control the breathing circuit to deliver the second gas to the patient, thereby providing periodic anesthetic breathing support for the patient;

[0008] The ventilation device includes a second ventilation control device and a gas delivery branch;

[0009] The gas delivery branch is used to receive the third gas and provide periodic respiratory support to the patient; the second ventilation control device switches the flow rate at a preset frequency to control the gas delivery branch to provide periodic respiratory support to the patient;

[0010] In which, the ventilation device is used to selectively couple or decouple with the anesthesia machine; after the ventilation device is coupled with the anesthesia machine, the ventilation device provides periodic respiratory support to the patient independently of the anesthesia machine, or the anesthesia system receives operation of the ventilation device through the anesthesia machine to control the ventilation device to provide periodic respiratory support to the patient.

[0011] According to a second aspect of the present invention, the present invention provides an anesthesia system, comprising an anesthesia machine, the anesthesia machine comprising a flow monitoring device, an anesthetic delivery device, a breathing circuit, and a first ventilation control device;

[0012] The flow monitoring device is used to adjust the flow of the first gas;

[0013] The anesthetic delivery device is used to mix the first gas with the anesthetic to obtain a second gas, and deliver the second gas to the breathing circuit;

[0014] The breathing circuit is used to deliver the second gas to the patient;

[0015] The first ventilation control device is used to control the breathing circuit to deliver the second gas to the patient, thereby providing periodic anesthetic breathing support for the patient;

[0016] The anesthesia system further comprises a ventilation device, the anesthesia machine has an attachment position configured to engage with the ventilation device, and the ventilation device is detachably mounted on the attachment position; the ventilation device comprises a second housing, a second ventilation control device and a gas delivery branch, and the second ventilation control device and the gas delivery branch are disposed on the second housing;

[0017] The gas delivery branch is used to receive the third gas and provide periodic respiratory support to the patient;

[0018] The second ventilation control device switches the flow rate at a preset frequency to control the gas delivery branch to provide periodic respiratory support to the patient.

[0019] According to a third aspect of the present invention, the present invention provides an anesthesia machine, comprising a flow monitoring device, an anesthetic delivery device, a breathing circuit, and a first ventilation control device;

[0020] The flow monitoring device is used to adjust the flow of the first gas;

[0021] The anesthetic delivery device is used to mix the first gas with the anesthetic to obtain a second gas, and deliver the second gas to the breathing circuit;

[0022] The breathing circuit is used to deliver the second gas to the patient;

[0023] The first ventilation control device is used to control the breathing circuit to deliver the second gas to the patient, thereby providing periodic anesthetic breathing support for the patient;

[0024] In which, the anesthesia machine has an attachment position configured to be provided with a first connector; the first connector includes at least one of the following: a fixed structure for connecting an external ventilation device to the anesthesia machine, a gas source connector for delivering the first gas to the external ventilation device, an auxiliary power output interface for providing electrical energy to the external ventilation device, and an auxiliary signal output interface for transmitting signals with the external ventilation device.

[0025] According to a fourth aspect of the present invention, the present invention provides an anesthesia machine, comprising an anesthesia machine main unit, a flow monitoring device, an anesthetic delivery device, a breathing circuit, a first ventilation control device, a human-computer interaction device, and a ventilation device;

[0026] The flow monitoring device is used to adjust the flow of the first gas;

[0027] The anesthetic delivery device is in communication with the flow monitoring device, and is used to mix the first gas with the anesthetic to obtain a second gas, and deliver the second gas to the breathing circuit;

[0028] The breathing circuit is used to deliver the second gas to the patient;

[0029] The first ventilation control device is used to control the breathing circuit to deliver the second gas to the patient, so that the anesthesia machine provides periodic anesthesia breathing support for the patient;

[0030] The ventilation device is used to receive the first gas and provide periodic respiratory support to the patient by delivering the first gas to the patient; wherein at least part of the ventilation device is arranged inside the anesthesia machine host; and

[0031] The human-computer interaction device is used to receive the respiratory support mode provided by the anesthesia machine to the patient input by the user; the anesthesia machine provides periodic anesthesia respiratory support and / or periodic respiratory support to the patient according to the respiratory support mode received by the human-computer interaction device.

[0032] According to a fifth aspect of the present invention, the present invention provides a ventilation control method implemented through an interactive interface, wherein the interactive interface provides an anesthesia machine setting area and a ventilation device setting area; the method comprises:

[0033] The interactive interface receives anesthesia machine control information input by a user through the anesthesia machine setting area, and sends anesthesia machine control instructions to the anesthesia machine with which a communication connection is established according to the anesthesia machine control information, so that the anesthesia machine performs periodic anesthesia breathing support on the patient according to the anesthesia machine control instructions;

[0034] The interactive interface receives ventilation device control information input by the user through the ventilation device setting area, and sends ventilation device control instructions to the ventilation device with which the communication connection is established according to the ventilation device control information, so that the ventilation device performs periodic respiratory support on the patient according to the ventilation device control instructions;

[0035] The anesthesia machine and the ventilation device connected to the interactive interface can be selectively coupled or decoupled.

[0036] It should be understood that the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the present application. BRIEF DESCRIPTION OF THE DRAWINGS

[0037] In order to more clearly illustrate the technical solutions of the embodiments of the present application, the following is a brief introduction to the drawings required for use in the description of the embodiments. Obviously, the drawings described below are some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without any creative work.

[0038] FIG1 is a schematic structural diagram of an anesthesia system provided in one embodiment of the present application;

[0039] FIG2 is a block diagram of the anesthesia system in FIG1 according to one embodiment;

[0040] FIG3 is a block diagram of another embodiment of the anesthesia system in FIG1 ;

[0041] FIG4 is a block diagram of another embodiment of the anesthesia system in FIG1 ;

[0042] FIG5 is a block diagram of the anesthesia system in FIG1 according to another embodiment;

[0043] FIG6 is a block diagram of the anesthesia machine of the anesthesia system in FIG1 ;

[0044] FIG7 is a block diagram of the ventilation device of the anesthesia system in FIG1 ;

[0045] FIG8 is a gas circuit diagram of the ventilation device of the anesthesia system in FIG1 ;

[0046] FIG9 is a gas circuit diagram of the ventilation device of the anesthesia system in FIG1 ;

[0047] FIG10 is a gas circuit diagram of the ventilation device of the anesthesia system in FIG1 ;

[0048] FIG11 is a gas circuit diagram of the ventilation device of the anesthesia system in FIG1 ;

[0049] FIG12 is a gas circuit diagram of the ventilation device of the anesthesia system in FIG1;

[0050] FIG13 is a schematic diagram of the main monitoring interface on the display of the anesthesia machine in FIG1 ;

[0051] FIG14 is a pressure waveform diagram displayed on the display of the anesthesia machine provided by the present invention.

[0052] Description of reference numerals:

[0053] 100. Anesthesia machine; 101. Flow monitoring device; 102. Anesthetic delivery device; 103. Breathing circuit; 104. First ventilation control device;

[0054] 200, ventilation device; 201, pressure stabilizing device; 202, second control valve; 202a, first control valve; 202b, third control valve; 203, first pressure monitoring device; 203a, first oxygen pressure sensor; 203b, first air pressure sensor; 204, flow sensor; 204a, first flow sensor; 204b, second flow sensor; 205, safety valve; 206, second pressure monitoring device; 207, injection attachment; 208, third pressure monitoring device;

[0055] 300,300', gas source interface; 300a, oxygen interface; 300b, air interface;

[0056] 400. Patients; 400a. First patient; 400b. Second patient. DETAILED DESCRIPTION

[0057] The following will be combined with the drawings in the embodiments of this application to clearly and completely describe the technical solutions in the embodiments of this application. Obviously, the embodiments described are part of the embodiments of this application, not all of them. Based on the embodiments in this application, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of this application.

[0058] It should also be understood that the terms used in this specification of the present application are only for the purpose of describing specific realities. In the description of the present application, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings. They are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present application. In addition, the terms "first" and "second" are used for descriptive purposes only and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the technical features indicated. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the said features. In the description of the present application, the meaning of "multiple" is two or more, unless otherwise clearly and specifically defined.

[0059] The following describes some embodiments of the present application in detail with reference to the accompanying drawings. In the absence of conflict, the following embodiments and features therein may be combined with each other.

[0060] As shown in Figures 1 to 14, according to the first aspect of the present application, the present application provides an anesthesia system, comprising an anesthesia machine 100 and a ventilation device 200, wherein the ventilation device 200 is configured to selectively couple or decouple with the anesthesia machine 100. After the two are coupled, the ventilation device 200 can independently provide periodic respiratory support to the patient 400, or the ventilation device 200 can provide periodic respiratory support to the patient 400 under the control of the anesthesia machine 100. This not only saves space by sharing part of the piping system or operating system of the anesthesia machine 100, thereby reducing the manufacturing cost of the anesthesia system and eliminating the need for additional ventilation equipment; it can also selectively provide periodic respiratory support or periodic anesthetic respiratory support to the patient 400 to meet the needs of different physiological conditions of different patients 400.

[0061] For example, when the ventilation device 200 is decoupled from the anesthesia machine 100, the ventilation device 200 can independently provide periodic respiratory support to the patient 400; when the ventilation device 200 is coupled to the anesthesia machine 100, the ventilation device 200 can provide periodic respiratory support to the patient 400 independently of the anesthesia machine 100, or the anesthesia system receives the operation of the ventilation device 200 through the anesthesia machine 100 to control the ventilation device 200 to provide periodic respiratory support to the patient 400 to meet the needs of different physiological conditions of the user.

[0062] It should be noted that the coupling of the ventilation device 200 and the anesthesia machine 100 can be that the ventilation device 200 and the anesthesia machine 100 can share a data storage system for receiving patient 400 information, or the ventilation device 200 is attached to the data storage system of the anesthesia machine 100. In this way, management resources can be saved and work efficiency can be improved by sharing patient 400 information.

[0063] Alternatively, the coupling between the ventilation device 200 and the anesthesia machine 100 can also be a mechanical connection between the ventilation device 200 and the anesthesia machine 100, so as to reduce the space occupied by the ventilation device 200, so that the ventilation device 200 can be connected to the anesthesia machine 100, effectively utilizing the space of the anesthesia machine 100, and not occupying too much installation space due to the addition of the ventilation device 200.

[0064] Alternatively, the coupling of the ventilation device 200 and the anesthesia machine 100 may also include a communication connection and / or an air circuit connection between the ventilation device 200 and the anesthesia machine 100; that is, the ventilation device 200 may share the same air source, power supply and / or other communication device with the anesthesia machine 100, thereby effectively reducing the manufacturing cost of the anesthesia system due to the addition of the ventilation device 200 and saving the space occupied by the anesthesia system.

[0065] In an optional embodiment, the anesthesia machine 100 includes a flow monitoring device 101, an anesthetic delivery device 102, a breathing circuit 103, and a first ventilation control device 104. The flow monitoring device 101 is used to adjust the flow of a first gas, the anesthetic delivery device 102 is used to mix the first gas with an anesthetic to obtain a second gas, and deliver the second gas to the breathing circuit 103. The breathing circuit 103 is used to deliver the second gas to the patient 400. The first ventilation control device 104 is used to control the breathing circuit 103 to deliver the second gas to the patient 400, thereby enabling the anesthesia machine 100 to provide periodic anesthetic breathing support to the patient 400.

[0066] The first gas may be oxygen, air, or a mixture of oxygen and air, or a mixture of oxygen and nitrous oxide, etc. Since respiratory support needs to be provided to the patient 400, the first gas provided contains at least oxygen.

[0067] In this application, the ventilation device 200 is coupled to the anesthesia machine 100, so that the anesthesia system can provide periodic respiratory support through the ventilation device 200, or the anesthesia machine 100 receives operations on the ventilation device 200 to control the ventilation device 200 to provide periodic respiratory support to the patient 400. The periodic respiratory support provided by the ventilation device 200 can be high-frequency ventilation or low-frequency ventilation. The ventilation mode of the ventilation device 200 can be jet ventilation or non-jet ventilation.

[0068] In an optional embodiment, the ventilation device 200 includes a pressure stabilizing device 201, a second ventilation control device and a gas delivery branch, wherein the gas delivery branch is used to receive a third gas and provide periodic respiratory support to the patient 400, and the pressure stabilizing device 201 is used to maintain a stable supply pressure of the third gas in the input gas delivery branch to provide smooth gas for the ventilation device 200; the second ventilation control device switches the flow rate at a preset frequency to control the gas delivery branch to provide periodic respiratory support to the patient 400, so that the anesthesia system can not only control the breathing circuit 103 through the first ventilation control device 104 to provide periodic anesthetic respiratory support to the patient 400, but also control the gas delivery branch through the second ventilation control device 202 to provide periodic respiratory support to the patient 400, or both can provide respiratory support to different or the same patients 400 at the same time.

[0069] In some examples, after the ventilation device 200 is decoupled from the anesthesia machine 100, the ventilation device 200 can independently provide periodic respiratory support to the patient 400; and after the ventilation device 200 is coupled to the anesthesia machine 100, the ventilation device 200 can provide periodic respiratory support to the patient 400 independently of the anesthesia machine 100, or the anesthesia system can receive operations on the ventilation device 200 through the anesthesia machine 100 to control the ventilation device 200 to provide periodic respiratory support to the patient 400.

[0070] It should be noted that "the anesthesia machine 100 provides periodic anesthetic breathing support for the patient 400" and "the ventilation device 200 provides periodic breathing support for the patient 400" represent two different breathing support methods. The common point between the two is that the flow rate of gas delivery to the patient in a breathing cycle is less than that in the exhalation stage in the inhalation stage. In some scenarios, the common point between the two may also be that gas delivery is not provided to the patient 400 for at least part of the time in a breathing cycle. The difference between the two is that the gas delivered by the periodic anesthetic breathing support includes anesthetics, while the gas delivered under the periodic breathing support method does not contain anesthetics.

[0071] The third gas may be the same as or different from the first gas, for example, the third gas may be oxygen and the first gas may be air; or the third gas may be oxygen and the first gas may be oxygen; or the third gas may be a mixture of oxygen and air.

[0072] In an optional embodiment, the ventilation device 200 and the anesthesia machine 100 may share an output interface. In these embodiments, due to the limitation of only one output interface, only one of the ventilation device 200 and the anesthesia machine 100 may be in an operating state.

[0073] Alternatively, the ventilation device 200 and the anesthesia machine 100 each have independent output interfaces. Of course, in these embodiments, the ventilation device 200 and the anesthesia machine 100 can operate independently. Specifically, the ventilation device 200 and the anesthesia machine 100 can be configured with independent start switches to independently control each. Alternatively, the anesthesia machine 100 can be configured with a master switch, which can be controlled by the anesthesia machine 100 when the ventilation device 200 and the anesthesia machine 100 need to be independently turned on or off.

[0074] In an optional embodiment, the anesthesia machine 100 includes a first housing, and the ventilation device 200 includes a second housing. The first housing has an attachment location configured to engage with the ventilation device 200. The attachment location is formed with a mounting position that mates with the second housing of the ventilation device 200. After the ventilation device 200 is coupled to the anesthesia machine 100, the ventilation device 200 is at least partially accommodated in the mounting position. This not only allows the ventilation device 200 to be quickly secured to the anesthesia machine 100, but also eliminates the need to increase the space occupied by the anesthesia system due to the addition of the ventilation device 200, thereby achieving compatibility between the inherent functions of the anesthesia machine 100 and the functions added by the ventilation device 200.

[0075] In an optional embodiment, an auxiliary output interface is also provided at the attachment position, and an input interface is provided on the ventilation device 200, which is used to connect to the auxiliary output interface to obtain electrical energy from the anesthesia machine 100 or communicate with the anesthesia machine 100, so that the anesthesia machine 100 can provide power or communication control for the ventilation device 200, thereby reducing the manufacturing cost of the ventilation device 200.

[0076] Exemplarily, the ventilation device 200 is communicatively connected to the anesthesia machine 100 via an input interface and an auxiliary output interface, so that a human-machine interface device on the anesthesia machine 100 can be used to receive the respiratory support mode provided by the ventilation device 200 to the patient 400. For example, trigger buttons for providing different respiratory support modes can be displayed on the human-machine interface device. Based on the respiratory support mode received by the human-machine interface device, the anesthesia machine 100 can decide whether to use the ventilation device 200 to provide periodic respiratory support to the patient 400, or to use the first ventilation control device 104 to control the breathing circuit 103 to provide periodic anesthetic respiratory support to the patient 400, or to use both to provide respiratory support to different patients 400 simultaneously.

[0077] In an optional embodiment, the attachment position is further provided with a gas source connector for providing the first gas, and the ventilation device 200 further includes a gas source interface 300 for providing the third gas. After the ventilation device 200 is coupled to the anesthesia machine 100, the gas source interface 300 communicates with the gas source connector to receive the first gas via the gas source connector instead of the third gas. There is no need to add a new gas source module, and gas can be directly supplied to the ventilation device 200 via the gas source module on the anesthesia machine 100.

[0078] In an optional embodiment, the anesthesia machine 100 includes a gas source module, which is used to provide the gas required by the anesthesia machine 100, that is, to provide the first gas. After the ventilation device 200 is coupled to the anesthesia machine 100, the gas source interface 300 is connected to the gas source connector, so that the gas source module can supply gas to the ventilation device 200 through the gas source connector. The gas source module can also be an air compressor, an oxygen concentrator, etc., which can generate the first gas required by the anesthesia machine 100 by itself. Alternatively, the gas source module can also be a gas supply interface, which is used to connect to an external gas source, and the external gas source provides the gas required by the anesthesia machine 100 to the anesthesia machine 100 and / or the ventilation device 200 through the gas supply interface.

[0079] In an optional embodiment, the anesthesia machine 100 includes a first communication module, and the ventilation device 200 includes a second communication module. The second communication module is used to establish a communication connection with the first communication module to achieve selective coupling of the ventilation device 200 and the anesthesia machine 100, so that the anesthesia system can receive operations on the ventilation device 200 through the anesthesia machine 100 to control the ventilation device 200 to provide periodic respiratory support to the patient 400. There is no need to add an operating system and a human-computer interaction device to control the ventilation device 200, which effectively reduces the manufacturing cost of the anesthesia system; at the same time, it also facilitates the use of medical staff without having to adapt to a new operating system or operating interface, that is, the user can operate the ventilation device 200 through the human-computer interaction device of the anesthesia machine 100.

[0080] As shown in FIG13 , FIG13 is a display interface provided by the human-computer interaction device. The display interface can display working information of the ventilation device 200 and / or provide a control interface of the ventilation device 200 . The control interface is used to receive user input to control the ventilation device 200 .

[0081] Specifically, the main monitoring interface on the display interface includes a ventilation mode switching area P1. When it is desired to use the anesthesia machine 100 to provide periodic respiratory support, the "HFJV" icon in the ventilation mode switching area P1 can be selected and confirmed through the "SET MODE" icon to complete the selection of the periodic respiratory support method. At this time, the ventilation device 200 can be controlled to start and provide periodic high-frequency jet ventilation to the patient 400. The pressure monitored during high-frequency jet ventilation will be displayed in the pressure waveform area P2 of the main monitoring interface. When it is desired to use the anesthesia machine 100 to provide periodic anesthetic breathing support, other ventilation mode icons in the ventilation mode switching area P1, such as the "VCV" icon, can be selected. At this time, the first ventilation control device 104 can control the breathing circuit 103 to provide periodic anesthetic breathing support to the patient 400.

[0082] In an optional embodiment, as shown in Figures 1 to 5, the anesthesia machine 100 includes a gas source connector for providing a first gas, and the ventilation device 200 also includes a gas source interface 300, which is used to communicate with the gas source connector to achieve selective coupling of the ventilation device 200 and the anesthesia machine 100.

[0083] It should be noted that the ventilation device 200 can also be connected to an external gas source through the gas source interface 300, such as a gas delivery pipeline or gas cylinder in a hospital. The gas source interface 300 includes but is not limited to an oxygen interface 300a, an air interface 300b, and a nitrous oxide interface.

[0084] In an optional embodiment, the ventilation method provided by the ventilation device 200 may be high-frequency ventilation, which primarily generates a high-frequency airflow by switching the flow rate according to a preset frequency via a second ventilation control device. "High-frequency airflow" refers to gas output with a frequency greater than a certain threshold, such as a frequency greater than or equal to 2 Hz, or a frequency greater than or equal to 3 Hz.

[0085] As shown in Figures 1 to 14, according to the second aspect of the present application, the present application provides an anesthesia system, including an anesthesia machine 100 and a ventilation device 200 detachably mounted on the anesthesia machine 100, the anesthesia machine 100 including a flow monitoring device 101, an anesthetic delivery device 102, a breathing circuit 103 and a first ventilation control device 104, the flow monitoring device 101 is used to adjust the flow of a first gas, the anesthetic delivery device 102 is used to mix the first gas with an anesthetic to obtain a second gas, and to deliver the second gas to the breathing circuit 103, the breathing circuit 103 is used to deliver the second gas to the patient 400, the first ventilation control device 104 is used to control the breathing circuit 103 to deliver the second gas to the patient 400, thereby providing periodic anesthetic breathing support for the patient 400, and the ventilation device 200 is used to provide periodic breathing support to the patient 400.

[0086] Specifically, the anesthesia machine 100 has an attachment position configured to engage with the ventilation device 200, and the ventilation device 200 is detachably mounted on the attachment position. In this embodiment, the ventilation device 200 includes a second shell, a second ventilation control device, and a gas delivery branch. The gas delivery branch is used to receive a third gas and provide periodic respiratory support to the patient 400. The second ventilation control device 202 switches the flow rate at a preset frequency to control the gas delivery branch to provide periodic respiratory support to the patient 400. The second ventilation control device and the gas delivery branch are both provided on the second shell, and the second shell is detachably mounted on the attachment position so that the ventilation device 200 can be installed on the anesthesia machine 100 to provide corresponding respiratory support to the patient 400 according to the needs of the clinical scenario.

[0087] After adopting the above technical solution, since the anesthesia machine 100 has an attachment position configured to engage with the ventilation device 200, the ventilation device 200 can be detachably installed on the anesthesia machine 100. This not only allows the ventilation device 200 to be quickly fixed to the anesthesia machine 100, but also does not occupy space of the anesthesia machine 100, and the anesthesia system achieves compatibility between the functions of the anesthesia machine 100 itself and the functions added by the ventilation device 200.

[0088] In an optional embodiment, a first coupling member is provided at the attachment position of the anesthesia machine 100, and a second coupling member is provided on the ventilation device 200. The first coupling member is engaged with the second coupling member to achieve coupling of the ventilation device 200 and the anesthesia machine 100 at the attachment position, so that the ventilation device 200 can be quickly installed on the anesthesia machine 100.

[0089] Among them, the connection between the first coupling member and the second coupling member may include mechanical coupling between the ventilation device 200 and the anesthesia machine 100, and may also include circuit or air circuit coupling between the ventilation device 200 and the anesthesia machine 100, so that the anesthesia machine 100 can provide air source, power supply and / or communication support for the ventilation device 200, and this application is not limited to this.

[0090] In an optional embodiment, the first coupling member includes a fixed structure provided at an attachment position of the anesthesia machine 100, and the second coupling member includes a mating structure configured to mate with the fixed structure, wherein the mating structure is connected to the fixed structure. One of the fixed structure and the mating structure may be a magnetic adsorption member, and the other of the fixed structure and the mating structure may be a metal adsorption member or a magnetic adsorption member, so that the ventilation device 200 can be adsorbed on the anesthesia machine 100 through the mating structure and the fixed structure; or one of the fixed structure and the mating structure may be a snap-fit ​​portion, and the other of the fixed structure and the mating structure may be a slot portion, so that the ventilation device 200 can be snap-fitted to the anesthesia machine 100 through the mating structure and the fixed structure; or one of the fixed structure and the mating structure may be a Velcro hook surface, and the other of the fixed structure and the mating structure may be a Velcro fleece surface, so that the ventilation device 200 can be attached to the anesthesia machine 100 through the mating structure and the fixed structure.

[0091] In an optional embodiment, the fixing structure includes a support arm arranged on the outside or inside of the anesthesia machine 100, and the ventilation device 200 is fixed to the support arm through a matching structure; or, the fixing structure includes a recessed structure arranged on the outside or inside of the anesthesia machine 100, and the ventilation device 200 is embedded in the recessed structure through a matching structure; or, the attachment position is a notch or slot arranged on the outside of the anesthesia machine 100, and the fixing structure includes a connector arranged in the notch or slot, and the ventilation device 200 forms a detachable connection with the connector through the matching structure.

[0092] In an optional embodiment, the ventilation device 200 further includes a gas source interface 300 for providing a third gas, and the gas source interface 300 is connected to the second ventilation control device via a gas delivery branch. The first coupling member includes a gas source connector disposed at the attachment position, and the second coupling member includes the aforementioned gas source interface 300. The gas source interface 300 is connected to the gas source connector, so that the anesthesia machine 100 can supply the first gas to the gas source interface 300 via the gas source connector to replace the third gas. The ventilation device 200 can also be fixed to the anesthesia machine 100 via the connection between the gas source connector and the gas source interface 300.

[0093] Alternatively, the gas source interface 300 is connected to an external gas source. In this case, the gas source interface 300 is only used to provide the third gas to the ventilation device 200, and the ventilation device 200 needs to be fixed on the anesthesia machine 100 through the cooperation of the first joint and the second joint.

[0094] In an optional embodiment, the ventilation device 200 further includes an output port, and the second ventilation control device is connected to the output port so that the third gas outputted from the output port can form a periodic airflow. The first coupling member further includes an output connector provided at the attachment position, and the second coupling member includes the above-mentioned output port, which is connected to the output connector so that the third gas is outputted to the interior of the anesthesia machine 100 through the output port and the output connector, and then the anesthesia machine 100 provides periodic respiratory support to the patient 400. This not only reduces the number of ventilation accessories of the ventilation device 200, that is, the ventilation device 200 only needs to be provided with the second ventilation control device on the gas delivery branch, and the remaining ventilation accessories can be shared with or attached to the ventilation accessories of the anesthesia machine 100, such as the pressure regulating valve, flow monitoring device 101, pressure monitoring device and safety valve 205 inside the anesthesia machine 100, effectively reducing the manufacturing cost of the ventilation device 200, but also can be fixed to the anesthesia machine 100 by the cooperation of the output port and the output connector.

[0095] Alternatively, the output port of the ventilation device 200 is connected to a jet accessory 207, allowing the third gas to be output through the jet accessory 207. This means that the ventilation device 200 can independently ventilate the patient 400 based on the patient's actual condition and ventilation needs. Of course, the jet accessory 207 can also be part of the anesthesia machine 100 accessories, meaning that the anesthesia machine 100 includes the jet accessory 207 connected to the ventilation device 200. Furthermore, the ventilation device 200 is secured to the anesthesia machine 100 by the engagement of a first fastener and a second fastener.

[0096] In an optional embodiment, the anesthesia machine 100 further includes a gas source module for providing the first gas, and the gas source module is connected to the anesthetic delivery device 102 via the flow monitoring device 101. The ventilation device 200 further includes a gas source interface 300, and the ventilation device 200 is connected to the gas source module via the gas source interface 300, so that the gas source module can provide the first gas to the ventilation device 200.

[0097] The gas source module is used to provide the gas required by the anesthesia machine 100, that is, to provide the first gas. After the ventilation device 200 is coupled to the anesthesia machine 100, the gas source module supplies gas to the ventilation device 200 through the gas source interface 300. The gas source module can also be an air compressor, an oxygen concentrator, etc., which can generate the first gas required by the anesthesia machine 100 by itself. Alternatively, the gas source module can be a gas supply interface, which is used to connect to an external gas source, and the external gas source provides the gas required by the anesthesia machine 100 to the anesthesia machine 100 and / or the ventilation device 200 through the gas supply interface.

[0098] In an optional embodiment, as shown in FIG8 , the gas source module includes an oxygen unit, and the first gas includes oxygen provided by the oxygen unit; wherein the gas delivery branch includes an oxygen branch 200a, and the gas source interface 300 includes an oxygen interface 300a. One end of the oxygen gas circuit 200a is connected to the oxygen interface 300a, and oxygen is input from the oxygen interface. The other end of the oxygen gas circuit 200a delivers the input oxygen to the second ventilation control device. The second ventilation control device switches the flow rate at a set frequency, which can be used to control the oxygen flow rate of the oxygen branch and also form a high-frequency airflow of the oxygen output from the output port, thereby providing periodic high-frequency ventilation for the patient 400. The second ventilation control device, for example, includes a second control valve 202.

[0099] In an optional embodiment, as shown in FIG10 , the gas source module includes an air unit, and the first gas includes air provided by the air unit; wherein the gas delivery branch includes an air branch 200b, and the gas source interface 300 includes an air interface. One end of the air branch 200b is connected to the air interface, and air is input from the air interface. The other end of the air branch delivers the input air to the second ventilation control device. The second ventilation control device switches the flow rate at a set frequency, which can be used to control the air flow of the air branch and form a high-frequency airflow at the output port, thereby providing periodic high-frequency ventilation for the patient 400. The second ventilation control device, for example, includes a second control valve 202.

[0100] In an optional embodiment, as shown in FIG11 , the gas source module includes an oxygen unit for providing oxygen and an air unit for providing air, wherein the first gas includes oxygen provided by the oxygen unit and air provided by the air unit. The gas delivery branch includes an oxygen branch 200a, an air branch 200b, and a mixed gas circuit 200c. The gas source interface 300 includes an oxygen interface 300a and an air interface 300b. The inlet end of the oxygen branch communicates with the oxygen interface 300a, from which oxygen is input; the inlet end of the air branch communicates with the air interface 300b, from which air is input; the ends of the oxygen branch 200a and the air branch 200b communicate with the mixed gas circuit, which mixes the oxygen input from the oxygen branch and the air input from the air branch and delivers the mixed gas circuit to the second ventilation control device. The second ventilation control device switches the flow rate at a set frequency, and the gas output from the output port forms a high-frequency airflow, thereby providing periodic high-frequency ventilation for the patient 400. The second ventilation control device, for example, includes a second control valve 202. The ventilation device 200 further includes a second regulating valve and a third regulating valve. The second regulating valve is installed on the oxygen branch to control the oxygen flow of the oxygen branch; the third regulating valve is installed on the air branch to control the air flow of the air branch.

[0101] In an optional embodiment, the gas source module includes an oxygen unit for providing oxygen and an air unit for providing air, and the first gas includes oxygen provided by the oxygen unit and air provided by the air unit. Among them, the gas delivery branch includes an oxygen branch, an air branch and a mixed gas path, the gas source interface 300 includes an oxygen interface 300a and an air interface 300b, the second ventilation control device includes a first control valve 202a and a third control valve 202b, the air inlet end of the oxygen branch is connected to the oxygen interface 300a, oxygen is input from the oxygen interface 300a and delivered to the first control valve 202a, the first control valve 202a switches the flow rate at a set frequency, which can be used to control the oxygen flow of the oxygen branch, and also to make the output end of the first control valve 202a The oxygen is used to form a high-frequency airflow; the air inlet end of the air branch is connected to the air interface 300b, and air is input from the air interface 300b and delivered to the third control valve 202b. The third control valve 202b switches the flow rate at a set frequency, which can be used to control the air flow of the air branch and also to form a high-frequency airflow from the output end of the third control valve 202b; the mixed air path mixes the oxygen input by the first control valve 202a with the air input by the third control valve 202b and delivers them to the patient 400 to provide periodic high-frequency ventilation.

[0102] In an optional embodiment, as shown in FIG. 6 and FIG. 11 , the ventilation device 200 further includes a pressure stabilizing device 201 . The pressure stabilizing device 201 is disposed at the gas source interface 300 ′ to provide stable gas for the ventilation device 200 .

[0103] In an optional embodiment, the pressure stabilizing device 201 includes a first pressure stabilizing valve 201a and a second pressure stabilizing valve 201b. The first pressure stabilizing valve 201a is arranged on the oxygen branch to provide stable oxygen for the oxygen branch; the second pressure stabilizing valve 201b is arranged on the air branch to provide stable air for the air branch.

[0104] In an optional embodiment, the ventilation device 200 further includes a pressure monitoring device, which is disposed in the gas delivery branch and is used to monitor the pressure of the gas delivery branch.

[0105] Exemplarily, the pressure monitoring device includes a first pressure monitoring device 203, a second pressure monitoring device 206 and a third pressure monitoring device 208. The first pressure monitoring device 203 is arranged in the gas delivery branch to monitor the pressure of the gas delivery branch; the second pressure monitoring device 206 is arranged at the rear end of the second ventilation control device 202 to monitor the pressure of the gas output by the second ventilation control device; the third pressure monitoring device 208 is arranged at the patient 400 end to monitor the pressure at the patient 400 end to prevent barotrauma at the patient 400 end.

[0106] In an optional embodiment, the first pressure monitoring device 203 includes a first oxygen pressure sensor 203a and a first air pressure sensor 203b. The first oxygen pressure sensor 203a is arranged on the oxygen branch to monitor the pressure of the oxygen branch; the first air pressure sensor 203b is arranged on the air branch to monitor the pressure of the air branch.

[0107] In an optional embodiment, the ventilation device 200 further includes a flow sensor 204, which is disposed between the pressure stabilizing device 201 and the second ventilation control device and is used to monitor the flow rate of the gas delivery branch.

[0108] In an optional embodiment, the flow sensor 204 includes a first flow sensor 204a and a second flow sensor 204b. The first flow sensor 204a is arranged on the oxygen branch to monitor the flow size of the oxygen branch; the second flow sensor 204b is arranged on the air branch to monitor the flow size of the air branch.

[0109] In an optional embodiment, the ventilation device 200 further includes a safety valve 205. The ventilation device 200 includes an output port connected to the second ventilation control device. The safety valve 205 is arranged between the second ventilation control device and the output port for depressurizing the gas delivery branch.

[0110] Exemplarily, when the pressure value monitored by the third pressure monitoring device 208 is abnormal, the safety valve 205 is switched to separate the patient 400 end from the ventilation device 200, and at the same time, the gas at the patient 400 end can be discharged through the ventilation device 200 to prevent barotrauma at the patient 400 end.

[0111] In an optional embodiment, the anesthesia machine 100 also includes a human-computer interaction device. After the ventilation device 200 is coupled or installed on the anesthesia machine 100, the ventilation mode provided by the human-computer interaction device also includes periodic breathing support provided by the ventilation device 200. When the ventilation mode received by the human-computer interaction device is periodic breathing support, the anesthesia machine 100 controls the ventilation device 200 to periodically output a third gas. There is no need to add an operating system and a human-computer interaction device to control the ventilation device 200, which effectively reduces the manufacturing cost of the anesthesia system; at the same time, it also facilitates the use of medical staff without having to adapt to a new operating system or operating interface, that is, the user can operate the ventilation device 200 through the human-computer interaction device of the anesthesia machine 100.

[0112] In an optional embodiment, after the ventilation device 200 is removed from the attachment position of the anesthesia machine 100, the ventilation device 200 independently provides periodic respiratory support, and the ventilation mode provided by the human-machine interaction device no longer includes periodic respiratory support or the ventilation mode of periodic respiratory support provided by the human-machine interaction device cannot be operated.

[0113] For example, as shown in FIG13 , FIG13 is a display interface provided by a human-computer interaction device, on which the working information of the ventilation device 200 can be displayed and / or a control interface of the ventilation device 200 can be provided. The control interface is used to receive user input to control the ventilation device 200 .

[0114] Specifically, the main monitoring interface on the display interface includes a ventilation mode switching area P1. When it is desired to use the anesthesia machine 100 to provide periodic respiratory support, the "HFJV" icon in the ventilation mode switching area P1 can be selected and confirmed through the "SET MODE" icon to complete the selection of the periodic respiratory support method. At this time, the ventilation device 200 can be controlled to start and provide periodic high-frequency jet ventilation to the patient 400. The pressure monitored during high-frequency jet ventilation will be displayed in the pressure waveform area P2 of the main monitoring interface. When it is desired to use the anesthesia machine 100 to provide periodic anesthetic breathing support, other ventilation mode icons in the ventilation mode switching area P1, such as the "VCV" icon, can be selected. At this time, the first ventilation control device 104 can control the breathing circuit 103 to provide periodic anesthetic breathing support to the patient 400.

[0115] When the ventilation device 200 is removed from the attachment position of the anesthesia machine 100, the ventilation mode switching area P1 of the main monitoring interface no longer supports the selection operation of the periodic respiratory support provided by the ventilation device 200, for example, the ventilation mode of periodic respiratory support is not displayed, or the ventilation mode of periodic respiratory support provided by the human-computer interaction device cannot be operated.

[0116] In an optional embodiment, as shown in Figures 1 to 14, the ventilation device 200 communicates with the anesthesia machine 100 via a wired or wireless connection. For example, the anesthesia machine 100 is provided with an information input interface, and a corresponding information output interface is provided on the ventilation device 200. When the ventilation device 200 is installed on the anesthesia machine 100, the information output interface on the ventilation device 200 is connected to the information input interface, thereby enabling data transmission between the ventilation device 200 and the anesthesia machine 100. The operating information of both devices can also be displayed via a human-computer interaction device located on the anesthesia machine 100, or the user can control the anesthesia machine 100 and ventilation device 200 through the human-computer interaction device.

[0117] In an optional embodiment, the anesthesia machine 100 also includes a first human-computer interaction device, and the working information of the ventilation device 200 is displayed through the first human-computer interaction device on the anesthesia machine 100. The user can obtain the working status of the ventilation device through the first human-computer interaction device without switching screens.

[0118] In an optional embodiment, the ventilation device 200 also includes a second human-computer interaction device, which is used to provide a display interface that displays working information or provides a control interface; the first human-computer interaction device is also used to display the same display interface in a display window or display area, so that users who are familiar with the ventilation device 200 do not need to change their operating habits when operating the ventilation device 200 on the anesthesia machine 100.

[0119] In an optional embodiment, the same display interface of the human-computer interaction device of the anesthesia machine 100 includes an anesthesia machine setting area for receiving user input for ventilation control of the anesthesia machine 100, and a ventilation device setting area for receiving user input for ventilation control of the ventilation device, that is, the same interface of the human-computer interaction device includes an anesthesia machine setting area and a ventilation device setting area, the anesthesia machine setting area is used to receive user input for ventilation control of the anesthesia machine 100, and the ventilation device setting area is used to receive user input for ventilation control of the ventilation device 200.

[0120] In an optional embodiment, a trigger switch is provided on the ventilation device 200; after the trigger switch is triggered, the ventilation device 200 can establish a wireless connection with the anesthesia machine 100.

[0121] For example, when the ventilation device 200 is installed at the attachment position of the anesthesia machine 100, the ventilation device 200 will not actively establish a wireless connection with the anesthesia machine 100, and needs to be triggered by a trigger switch to avoid the anesthesia machine 100 and the ventilation device 200 establishing an association when coupling is not required.

[0122] In an optional embodiment, the anesthesia machine 100 is provided with an auxiliary output interface, and the ventilation device 200 is provided with an input interface, and the input interface is connected to the auxiliary output interface; wherein the auxiliary output interface includes an auxiliary signal output interface and / or an auxiliary power output interface, and the input interface includes a signal input interface and / or a power input interface, and the signal input interface and the power input interface are correspondingly connected to the auxiliary signal output interface and the auxiliary power output interface, so that the anesthesia machine 100 can supply power to the ventilation device 200 and realize communication connection with the ventilation device 200.

[0123] In an optional embodiment, the anesthesia machine 100 is provided with an auxiliary output interface, and the ventilation device 200 is provided with an input interface, which is connected to the auxiliary output interface; wherein the auxiliary output interface includes an auxiliary power output interface, and the input interface includes a power input interface, and the power input interface is connected to the auxiliary power output interface so that the anesthesia machine 100 supplies power to the ventilation device 200; the anesthesia machine 100 and the ventilation device 200 also include a wireless communication module to enable the anesthesia machine 100 to communicate with the ventilation device 200.

[0124] In an optional embodiment, the anesthesia system further includes a control terminal, which is communicatively connected to the anesthesia machine 100 and the ventilation device 200. The control terminal sends an anesthesia machine 100 control instruction to the anesthesia machine 100 based on anesthesia machine 100 control information input by the user, and sends a ventilation device 200 control instruction to the ventilation device 200 based on ventilation device 200 control information input by the user; the anesthesia machine 100 controls periodic anesthetic breathing support for the patient 400 based on the anesthesia machine 100 control instruction; and the ventilation device 200 controls periodic breathing support for the patient 400 based on the ventilation device 200 control instruction.

[0125] In an optional embodiment, the second ventilation control device is controlled to ventilate the patient 400 at a first ventilation frequency, thereby providing periodic respiratory support for the patient 400. The first ventilation frequency may be greater than or equal to 2 Hz, or may be greater than or equal to 3 Hz.

[0126] In an optional embodiment, the ventilation accessory of ventilation device 200 includes a jet accessory 207. Jet accessory 207 receives the third gas output from the gas delivery branch and outputs the third gas in the form of a high-frequency jet airflow. Jet accessory 207 may include a nozzle, a needle, or a stent (e.g., a bronchoscope, a bronchoscope, or a sheath). The stent is used to support human tissue or connect to an endotracheal tube to facilitate surgery. The stent wall is provided with a hole for jetting (e.g., having a diameter of less than 4 mm).

[0127] In an optional embodiment, the spray attachment 207 includes a spray channel having an output aperture of less than 4 mm.

[0128] In an optional embodiment, the ventilation frequency of the high-frequency jet airflow used to ventilate the patient 400 is 50-1500 bpm.

[0129] As shown in Figures 1 to 14, according to the second aspect of the present application, the present application provides an anesthesia machine 100, including a flow monitoring device 101, an anesthetic delivery device 102, a breathing circuit 103 and a first ventilation control device 104; wherein, the flow monitoring device 101 is used to adjust the flow of the first gas; the anesthetic delivery device 102 is used to mix the first gas with the anesthetic to obtain a second gas, and deliver the second gas to the breathing circuit 103; the breathing circuit 103 is used to deliver the second gas to the patient 400; the first ventilation control device 104 is used to control the breathing circuit 103 to deliver the second gas to the patient 400, thereby providing periodic anesthetic breathing support for the patient 400.

[0130] In this embodiment, the anesthesia machine 100 has an attachment position configured to be provided with a first coupling, and the first coupling includes at least one of the following: a fixed structure for connecting the external ventilation device 200 to the anesthesia machine 100, a gas source connector for delivering the first gas to the external ventilation device 200, an auxiliary power output interface for providing electrical energy to the external ventilation device 200, and an auxiliary signal output interface for signal transmission with the external ventilation device 200.

[0131] Exemplarily, the first coupling member includes a fixed structure for connecting the external ventilation device 200 to the anesthesia machine 100, and the ventilation device 200 is provided with a second coupling member, the second coupling member including a mating structure configured to mate with the fixed structure, wherein the mating structure is connected to the fixed structure. In one embodiment, one of the fixed structure and the mating structure may be a magnetic adsorption member, and the other of the fixed structure and the mating structure may be a metal adsorption member or a magnetic adsorption member, so that the ventilation device 200 can be adsorbed on the anesthesia machine 100 through the mating structure and the fixed structure mating together; or, one of the fixed structure and the mating structure may be a snap-fit ​​portion, and the other of the fixed structure and the mating structure may be a slot portion, so that the ventilation device 200 can be snap-fitted to the anesthesia machine 100 through the mating structure and the fixed structure mating together; or, one of the fixed structure and the mating structure may be a hook surface, and the other of the fixed structure and the mating structure may be a loop surface, so that the ventilation device 200 can be attached to the anesthesia machine 100 through the mating structure and the fixed structure mating together.

[0132] In an optional embodiment, the fixing structure includes a support arm arranged on the outside or inside of the anesthesia machine 100, and the ventilation device 200 is fixed to the support arm through a matching structure; or, the fixing structure includes a recessed structure arranged on the outside or inside of the anesthesia machine 100, and the ventilation device 200 is embedded in the recessed structure through a matching structure; or, the attachment position is a notch or slot arranged on the outside of the anesthesia machine 100, and the fixing structure includes a connector arranged in the notch or slot, and the ventilation device 200 forms a detachable connection with the connector through the matching structure.

[0133] Illustratively, the fixing structure includes a support arm disposed on the outside of the anesthesia machine 100, and the ventilation device 200 is fixed to the support arm via a mating structure. Alternatively, the fixing structure includes a support arm disposed on the inside of the anesthesia machine 100, and the ventilation device 200 is fixed to the support arm on the inside of the anesthesia machine 100 via a mating structure. Alternatively, the fixing structure includes a recessed structure disposed on the outside of the anesthesia machine 100, and the ventilation device is embedded in the recessed structure via a mating structure. Alternatively, the fixing structure includes a recessed structure disposed on the inside of the anesthesia machine 100, and the ventilation device is embedded in the inside of the anesthesia machine 100 via the mating structure and the recessed structure. Alternatively, the attachment location is a notch disposed on the outside of the anesthesia machine 100, the fixing structure includes a connector disposed in the notch, and the ventilation device 200 is detachably connected to the connector via the mating structure. Alternatively, the attachment location is a slot disposed on the outside of the anesthesia machine 100, the fixing structure includes a connector disposed in the slot, and the ventilation device 200 is detachably connected to the connector via the mating structure.

[0134] As shown in Figures 1 to 14, according to the third aspect of the present application, the anesthesia machine 100 provided herein includes a gas source module, an anesthetic delivery device 102, a breathing circuit 103, and a first ventilation control device 104. The gas source module is connected to the breathing circuit 103 via the anesthetic delivery device 102, that is, the three are connected in sequence.

[0135] The gas source module is used to provide the gas required by the anesthesia machine, that is, to provide the first gas. Since respiratory support needs to be provided to the patient, the gas provided contains at least oxygen. That is, the first gas can be oxygen, or air, or a mixture of oxygen and air, or a mixture of oxygen and nitrous oxide. The gas source module can be a gas source interface 300', and the gas source interface 300' is used to connect to an external gas source. The external gas source provides the gas required by the anesthesia machine to the anesthesia machine through the gas source interface. The gas source module can also be an air compressor, an oxygen generator, etc., which produces the first gas required by the anesthesia machine by itself. The subsequent embodiments are explained using the gas source interface as an example. The anesthetic delivery device 102 is used to mix the first gas provided by the gas source module with the anesthetic, and control the anesthetic concentration of the mixed gas (second gas), and deliver the mixed gas (second gas) to the breathing circuit 103. The anesthetic delivery device 102 includes a vaporizer.

[0136] The breathing circuit 103 is an airway connecting the anesthetic delivery device 102 and the patient. It can recycle the patient's exhaled gas to save anesthetic and reduce environmental pollution. It can include various connecting tubes and accessories. The accessories can be endotracheal tubes, endotracheal tubes with air bags at the end, etc. A gas purification device can be provided in the breathing circuit 103. The gas purification device is used to remove at least part of the carbon dioxide exhaled by the patient into the breathing circuit. For example, a CO2 absorbent (soda lime) can be provided in the gas purification device. The CO2 absorbent reacts with CO2 to achieve the purpose of removing CO2. At the same time, the reaction generates water and heat, which helps to maintain the temperature and humidity of the patient's inhaled gas.

[0137] The first ventilation control device (i.e., anesthesia ventilation control device) 104 is used to control the breathing circuit 103 so that the mixed gas (second gas) is periodically delivered to the patient, thereby providing periodic anesthesia breathing support for the patient. The first ventilation control device 104 can automatically perform anesthesia ventilation control or manually (such as a balloon). For example, the first ventilation control device 104 may include multiple valves and a board for driving the multiple valves. The board controls the multiple valves to periodically deliver the second gas to the patient, thereby providing periodic anesthesia breathing support for the patient.

[0138] During the operation of the anesthesia machine, the gas source module provides the first gas, which is mixed by the flow monitoring device, and then the anesthetic is added and the concentration is adjusted by the evaporator to form the second gas; the second gas enters the breathing circuit 103, and the first ventilation control device 104 performs ventilation control to deliver the second gas to the patient. The waste gas exhaled by the patient is purified by the gas purification device and then discharged or recycled; during the above process, the anesthesia machine will also monitor the machine status and patient parameters to ensure patient safety and issue abnormal alarms.

[0139] In an optional embodiment, the anesthesia machine 100 further includes an anesthesia machine main unit and a ventilation device 200, at least part of which is disposed within the anesthesia machine main unit. The ventilation device 200 switches the flow rate at a preset frequency to provide periodic respiratory support for the patient. The present invention integrates the ventilation device 200, which can provide periodic respiratory support, into the anesthesia machine, thereby enabling the anesthesia machine to provide periodic respiratory support and / or periodic anesthetic respiratory support.

[0140] For example, in some specific scenarios, such as when there is no need to use the inhalation anesthesia function of the anesthesia machine, the ventilation device 200 of the anesthesia machine can be used to provide respiratory support to the patient, thereby increasing the application scope of the anesthesia machine. At the same time, there is no need to use additional equipment, eliminating the management problem of multiple devices.

[0141] The periodic respiratory support provided by the ventilation device 200 can be high-frequency ventilation (for example, the ventilation device includes a gas delivery branch that receives gas from an external gas source and provides respiratory support to the patient at a first ventilation frequency), or low-frequency ventilation. The ventilation mode of the ventilation device 200 can be jet ventilation or non-jet ventilation; when providing jet ventilation, the ventilation device 200 can further provide high-frequency jet ventilation. This will be described in detail below through some embodiments.

[0142] As shown in Figure 6, the ventilation device 200 can be directly or indirectly connected to the gas source module; in short, they can be connected. The ventilation device 200 is used to provide periodic respiratory support to the patient using a first gas (e.g., oxygen and / or air) provided by the gas source module. This allows the anesthesia machine to be used to ventilate the patient even when inhalation anesthesia is not required, expanding the application range of the anesthesia machine without the need for additional equipment.

[0143] In some usage scenarios, the human-computer interaction device of the anesthesia machine 100 can be used to receive the respiratory support mode provided by the anesthesia machine to the patient. For example, trigger buttons for different respiratory support modes can be provided on the display interface of the human-computer interaction device.

[0144] The anesthesia machine can decide whether to use the ventilation device 200 to provide periodic respiratory support to the patient, or to use the first ventilation control device to control the breathing circuit to provide periodic anesthesia breathing support to the patient, or to use both to provide respiratory support to different patients at the same time, based on the respiratory support mode received by the human-computer interaction device.

[0145] Among them, the "periodic respiratory support" and "periodic anesthesia respiratory support" mentioned in this application represent two different respiratory support methods. The specific definitions have been explained in the previous embodiments and will not be repeated here.

[0146] The ventilation device 200 can be connected to various accessories, such as spray accessories, nasal plugs, nasal masks, face masks, etc. Doctors can connect appropriate accessories and perform corresponding ventilation methods according to the patient's actual situation and ventilation needs, which is very convenient.

[0147] The ventilation device 200 can be implemented in a variety of ways. As shown in Figures 6 to 12, the periodic respiratory support provided by it can include high-frequency ventilation and / or jet ventilation. Jet ventilation can be high-frequency jet ventilation or low-frequency jet ventilation. The term "high-frequency / jet ventilation" used herein refers to high-frequency ventilation or jet ventilation. This is illustrated below using some embodiments.

[0148] Example 1:

[0149] In this embodiment, the ventilation method provided by the ventilation device 200 is high-frequency ventilation. For example, the ventilation device 200 includes a high-frequency ventilation device.

[0150] The high-frequency ventilation device is used to ventilate the patient at a first ventilation frequency (for example, greater than or equal to 3 Hz), thereby providing periodic respiratory support for the patient. As shown in Figures 8 and 9, the high-frequency ventilation device may include a gas delivery branch 200a, a second control valve 202 and an output port 209. The high-frequency ventilation device receives the first gas through the gas delivery branch. The second control valve 202 is arranged in the gas delivery branch 200a and is controlled to switch the flow rate at a switching frequency of, for example, at least 3 Hz, so that the first gas output from the output port 209 forms a high-frequency airflow. The expression "high-frequency airflow" used herein refers to a gas whose output frequency is greater than a certain critical value, for example, a gas whose output frequency is greater than or equal to 3 Hz.

[0151] The ventilation frequency (flow switching frequency or valve opening switching frequency) of the second control valve 202 can be pre-set. The second control valve 202 is used for high-frequency ventilation control (e.g., high-frequency switching between two different valve flow rates, one large and one small, with a frequency of at least 3 Hz, for example, between 3 and 20 Hz). This generates a high-frequency pulsed airflow of the first gas. This high-frequency pulsed airflow, after passing through a subsequent jet accessory, can provide high-frequency jet ventilation to the patient. If no jet accessory is subsequently connected, the high-frequency pulsed airflow can provide high-frequency ventilation to the patient. The second control valve 202 can be a solenoid valve, an electromagnetic servo valve, an electromagnetic on-off valve, or an electromagnetic proportional valve, for example.

[0152] In this embodiment, the high-frequency ventilation device provides periodic respiratory support at a first ventilation frequency, and the first ventilation control device 104 controls the breathing circuit 103 to provide periodic anesthetic respiratory support at a third ventilation frequency. The first ventilation frequency is greater than the third ventilation frequency, for example, the first ventilation frequency is greater than or equal to 3 Hz, and the third ventilation frequency is less than 3 Hz.

[0153] There are many ways to implement the high-frequency ventilation device, as shown in Figures 6 to 12, which are introduced below one by one.

[0154] As shown in Figure 9, the first gas may include oxygen. The gas source module includes an oxygen unit for providing oxygen, for example, an oxygen interface or an oxygen concentrator. The oxygen interface is used to connect to an external oxygen source, such as an oxygen interface connected to a hospital's oxygen delivery pipeline, oxygen cylinder, etc. The gas delivery branch includes an oxygen branch, that is, the ventilation device 200 or high-frequency ventilation device includes: an oxygen branch 200a, a second control valve 202, and an output port 209. The oxygen branch 200a is connected to the oxygen unit, for example, the two are directly connected. The oxygen unit is connected to the output port 209 via the oxygen branch 200a. The second control valve 202 is disposed in the oxygen branch. The second control valve 202 switches the flow rate at a set frequency (e.g., at least 3 Hz). This can be used to control the oxygen flow rate of the oxygen branch and also to form a high-frequency airflow of the oxygen output from the output port 209, thereby providing periodic high-frequency ventilation for the patient. The oxygen branch 200a may also be provided with a first on-off valve T1 for controlling the on-off of the oxygen branch.

[0155] As shown in Figure 10, the first gas may also include air. The air source module includes an air unit for providing air, for example, the air unit is an air interface. The air interface is used to connect to an external air source, such as an air delivery pipeline in a hospital. For another example, the air unit is a turbine that can obtain air from the external atmospheric environment. The gas delivery branch includes an air branch 200b, that is, the ventilation device 200 or the high-frequency ventilation device includes: an air branch 200b, a second control valve 202 and an output port 209. The air branch 200b is connected to the air unit, for example, the two are directly connected. The air unit is connected to the output port 209 through the air branch 200b. The second control valve 202 is arranged in the air branch, and the second control valve 202 switches the flow rate at a set frequency (for example, at least 3Hz). It can be used to control the air flow of the air branch 200b, and can also form a high-frequency airflow of the air output from the output port 209, thereby providing periodic high-frequency ventilation for the patient. A second switch valve T2 for controlling the on-off of the air branch 200b may also be provided in the air branch 200b.

[0156] In the embodiments shown in Figures 9 and 10, the second control valve 202 switches the flow rate at a frequency that can achieve high-frequency ventilation. During the high-frequency adjustment of the valve opening size, the flow rates of the oxygen branch and the air branch are controlled by the opening size, and the ventilation frequency of the airflow in the oxygen branch and the air branch is controlled by the switching frequency.

[0157] As shown in Figures 7 and 12, the first gas may also include oxygen and air. The gas source module includes an oxygen unit and an air unit for providing oxygen. The gas delivery branch includes an oxygen branch and an air branch. Specifically, the ventilation device 200, or high-frequency ventilation device 2001, includes an oxygen branch 200a, an air branch 200b, a second control valve 202, and an output port 209. The oxygen branch 200a is connected to the oxygen unit, for example, directly connected. The air branch 200b is connected to the air unit, for example, directly connected. The oxygen branch 200a and the air branch 200b merge and then connect to the output port 209 through the second control valve 202. The oxygen branch 200a is provided with a first control valve 202a for controlling the oxygen flow rate of the oxygen branch. The oxygen branch may also be provided with a first on / off valve T1 for controlling the on / off of the oxygen branch 200a. The first on / off valve T1 serves as a safety protection. Air branch 200b is provided with a third control valve 202b, which is used to control the air flow in air branch 200b. Air branch 200b may also be provided with a second on-off valve for controlling the on / off of the air branch; the second on-off valve serves as a safety feature. First control valve 202a can be a proportional valve or flow valve, and third control valve 202b can be a proportional valve or flow valve. The first and third control valves 202a and 202b can jointly control the total flow rate and oxygen concentration of the oxygen-air mixture. Second control valve 202 switches the flow rate at a set frequency (e.g., at least 3 Hz), allowing the combined air and oxygen mixture to form a high-frequency airflow, which is output through output port 209 to provide high-frequency ventilation to the patient. In some embodiments, the second control valve 202 may be omitted, with the first and third control valves 202a and 202b working together to control high-frequency ventilation. That is, the first control valve 202a is used to both control the oxygen flow rate of the oxygen branch and to form a high-frequency airflow in the oxygen branch, thereby achieving high-frequency ventilation; the third control valve 202b is used to both control the air flow rate of the air branch 200b and to form a high-frequency airflow in the air branch 200b, thereby achieving high-frequency ventilation. In this alternative embodiment, the first control valve 202a and the third control valve 202b switch their flow rates at a frequency that enables high-frequency ventilation. During the high-frequency adjustment of the valve opening, the flow rates of the oxygen branch and the air branch are controlled by the valve opening, and the ventilation frequency of the airflow in each branch is controlled by the switching frequency. Therefore, by controlling the first control valve 202a and the third control valve 202b to switch between two different valve flow rates (e.g., high-frequency opening and partial closing) at a high frequency (e.g., greater than or equal to 3 Hz), a high-frequency airflow is formed in the mixture of oxygen and air, thereby providing high-frequency ventilation to the patient.

[0158] In some embodiments, as shown in Figures 8 to 12, the first on-off valve T1 and the second on-off valve T2 both serve as safety protection. If the ventilation device 200 is not in use and gas is output from the ventilation device 200, it will affect the gas supply of the anesthesia delivery system of the original anesthesia machine and the ventilation of the anesthesia ventilator, and will also cause waste of oxygen or air. Therefore, the first on-off valve T1 and the second on-off valve T2 are provided to prevent gas output caused by the failure of the first control valve 202a, the third control valve 202b, or the second control valve 202 to close when the ventilation device is not in use.

[0159] As can be seen from the high-frequency ventilation device described above, the high-frequency airflow formed at its output port 209 ventilates the patient at a frequency of at least 3 Hz. Alternatively, in some embodiments, the high-frequency airflow formed at its output port 530 ventilates the patient at a frequency of 50-1500 bpm. High-frequency ventilation includes high-frequency positive pressure ventilation, high-frequency oscillation ventilation, and high-frequency jet ventilation. When the high-frequency ventilation device described above is used for high-frequency positive pressure ventilation or high-frequency oscillation ventilation, the patient can be ventilated at a frequency of at least 3 Hz; when the high-frequency ventilation device is used for high-frequency jet ventilation, the patient can be ventilated at a frequency of 50-1500 bpm. The high-frequency ventilation provided by the ventilation device 200 can be pure high-frequency ventilation or can be formed into high-frequency jet ventilation by adding a jet accessory 70. Specifically, if the output port 209 is not connected to the jet accessory but is connected to other ventilation accessories (such as an endotracheal tube, intubation tube, face mask, nasal mask, etc.), the high-frequency ventilation device simply provides high-frequency ventilation to the patient. If the output port 209 is connected to a jet accessory 207, the high-frequency ventilation device can further provide high-frequency jet ventilation to the patient. For example, the output port 209 can be connected to a jet accessory. The high-frequency airflow output from the output port 209 is transmitted through the jet accessory to form a high-frequency jet airflow. The jet accessory can be provided by a third-party manufacturer and connected to the output port 209 by the user. Of course, the jet accessory can also be part of the anesthesia machine accessories, that is, the anesthesia machine includes a jet accessory connected to the high-frequency ventilation device. The jet accessory receives the first gas output by the high-frequency ventilation device and outputs the first gas in the form of a high-frequency jet airflow. In other words, the output of the output port 209 is a high-frequency airflow (high-frequency pulsed airflow), which is converted into a high-frequency jet airflow after passing through the jet accessory. The ventilation frequency of the high-frequency jet airflow used to ventilate the patient can be above 3 Hz or between 50-1500 bpm, thereby providing the patient with high-frequency jet ventilation. For high-frequency oscillation ventilation and high-frequency positive pressure ventilation, the ventilation frequency can be above 3 Hz; for high-frequency jet ventilation, the ventilation frequency can be between 50-1500 bpm. The spray accessory includes a spray channel with an output aperture of less than 4 mm. The spray accessory may include a nozzle, a spray needle, or a stent (e.g., a bronchoscope, a bronchoscope, or a sheath). The stent is used to support human tissue or connect to an endotracheal tube to facilitate surgery. The stent has a hole (e.g., with a diameter of less than 4 mm) provided on its wall for spraying the air.

[0160] Example 2:

[0161] In this embodiment, the ventilation method provided by the ventilation device 200 is jet ventilation. The ventilation device 200 is also used to connect to a jet accessory, receive the gas output from the gas source interface and adjust it so that the gas passes through the jet accessory and provides respiratory support to the patient in the form of a jet airflow. The gas circuit diagram is still shown in Figures 7-12. That is, the ventilation device 200 includes a gas delivery branch, a second control valve 202 and an output port 209. The second control valve 202 is arranged in the gas delivery branch and is used to control the ventilation device 200 to provide periodic respiratory support. The output port 209 is used to connect to the jet accessory. The ventilation device 200 receives the first gas through the gas delivery branch, and the first gas is output through the jet accessory 70 connected to the output port 209 and formed into a jet airflow. In some embodiments, the anesthesia machine may include a jet accessory 70 connected to the ventilation device 200, and the jet accessory 70 receives the first gas output by the ventilation device 200 and forms the first gas into a jet airflow. In other embodiments, the anesthesia machine may not include a jet attachment, and the user may subsequently install the jet attachment on the ventilation device's output port 530. As used herein, the term "jet ventilation" refers to a ventilation method in which, during the delivery phase of a respiratory cycle, high-pressure gas is ejected through a fine-aperture jet attachment, delivering high-speed gas into the respiratory tract. This high-speed gas utilizes the entrainment / Venturi effect to replenish tidal volume, and delivery ceases during the expiration phase of the respiratory cycle. As used herein, the term "jet airflow," corresponding to jet ventilation, refers to the high-speed airflow delivered by the jet attachment.

[0162] In this embodiment, there may be various gas path diagrams of the ventilation device 200, as shown in FIG. 7 to FIG. 12 , which are described one by one below.

[0163] As shown in Figure 9, the gas source module includes an oxygen unit, and the first gas includes oxygen provided by the oxygen unit. The gas delivery branch includes an oxygen branch 200a, that is, the ventilation device includes: an oxygen branch 200a, a second control valve 202 and an output port 209. The oxygen unit is connected to the output port 209 through the oxygen branch, and the output port 209 is used to connect the jet attachment. The second control valve 202 is arranged in the oxygen branch 200a, and is used to control the oxygen flow of the oxygen branch 200a and to form a periodic jet flow of the oxygen output from the output port 209 after passing through the jet attachment, thereby providing periodic jet ventilation for the patient. Similarly, the oxygen branch 200a can also be provided with a first switch valve T1 for controlling the on and off of the oxygen branch 200a.

[0164] As shown in Figure 10, the air source module includes an air unit, and the first gas includes air provided by the air unit. The gas delivery branch includes an air branch 200b, that is, the ventilation device 200 includes: an air branch 200b, a second control valve 202 and an output port 209. The air unit is connected to the output port 209 through the air branch 200b. The output port is used to connect the jet attachment. The second control valve 202 is arranged in the air branch 200b, and is used to control the air flow of the air branch 200b and to form a periodic jet airflow after the air output from the output port 209 passes through the jet attachment, thereby providing periodic jet ventilation for the patient. Similarly, a second switch valve T2 for controlling the on-off of the air branch 200b can also be provided in the air branch 200b.

[0165] In the embodiments of Figures 7 to 10 , second control valve 202 switches flow rate at a constant frequency. During valve opening adjustment, the valve opening controls the flow rates of the oxygen and air branches, while the switching frequency controls the ventilation frequency of the airflow in the oxygen and air branches, enabling the oxygen and air branches to each output a periodic airflow. The periodic airflow from the output port, when output through the jet channel of the jet accessory, provides periodic jet ventilation to the patient.

[0166] As shown in Figure 12, the gas source module includes an oxygen unit for providing oxygen and an air unit for providing air. The first gas includes oxygen provided by the oxygen unit and air provided by the air unit. The gas delivery branch includes an oxygen branch 200a and an air branch 200b. Specifically, the ventilation device 200 includes an oxygen branch 200a, an air branch 200b, a second control valve 202, and an output port 209. The oxygen branch 200a is connected to the oxygen unit, and the air branch 200b is connected to the air unit. After the oxygen branch 200a and the air branch 200b converge, they are connected to the output port 209 through the second control valve 202. The output port 209 is used to connect to the injection accessory. The oxygen branch 200a is provided with a first control valve 202a, and the air branch 200b is provided with a third control valve 202b. The first control valve 200a is used to control the oxygen flow rate of the oxygen branch 200a, and the third control valve 202b is used to control the air flow rate of the air branch 200b. The second control valve 202 is used to form a periodic jet airflow when the merged mixed gas of air and oxygen is output through the jet accessory connected to the output port 209, thereby providing periodic jet ventilation for the patient.

[0167] In some embodiments, as an alternative, the second control valve 202 may not be provided, and instead the first control valve 202a and the third control valve 202b may be used to jointly implement jet control. Specifically, the first control valve 202a is used to both control the oxygen flow rate of the oxygen branch 200a and to form a periodically output oxygen flow from the oxygen branch, thereby implementing jet ventilation. The third control valve 202b is used to both control the air flow rate of the air branch 200b and to form a periodically output air flow from the air branch, thereby implementing jet ventilation. Specifically, the mixed gas resulting from the convergence of the periodic airflows of the oxygen branch 200a and the air branch 200b forms a periodic jet flow when output through the jet accessory connected to the output port 209.

[0168] As can be seen from the embodiments shown in Figures 7-12, in this embodiment, the ventilation device 200 provides periodic respiratory support to the patient by performing jet ventilation. Jet ventilation is a form of positive pressure ventilation, a ventilation method in which high-pressure gas is injected into the respiratory tract at high speed while maintaining an open airway. Jet ventilation has a wide range of ventilation frequencies. To meet the needs of different physiological conditions of users, jet ventilation can have multiple ventilation frequencies, such as high-frequency jet ventilation and low-frequency jet ventilation. High-frequency and low-frequency are relative concepts, equivalent to having multiple ventilation frequency levels, with high-frequency jet ventilation having a higher frequency than low-frequency jet ventilation. In some embodiments, for example, the frequency of high-frequency jet ventilation can be between 50 and 1500 bpm. In other embodiments, the frequency of high-frequency jet ventilation can be above 3 Hz, for example, between 3 and 20 Hz; the frequency of low-frequency ventilation can be between 10 and 50 bpm. In the present application, another difference between jet ventilation and periodic anesthetic respiratory support controlled by the first ventilation control device is that jet ventilation is positive pressure ventilation under open airway, while periodic anesthetic respiratory support is applied to ventilation scenarios with closed airway or intubation.

[0169] In the prior art, some anesthesia machines, in addition to providing anesthetic respiratory support, can also provide high-flow oxygen therapy. This means delivering a high flow of oxygen to the patient, thereby pre-oxygenating the patient, extending the patient's asphyxia window, and allowing the physician time for intubation and other procedures. Pre-oxygenation does not involve respiratory cycle control, whereas the newly added ventilation device 200 of this embodiment provides periodic respiratory support to the patient, which involves respiratory cycle control, specifically, ventilation frequency control.

[0170] In one embodiment, the second ventilation control device 202 can be at least one of the first control valve 202a and the second control valve 202b. It can also include one or more valves and a card for driving the one or more valves. The one or more valves are disposed in a gas delivery branch (such as the oxygen branch and air branch described above). The card controls the one or more valves (such as the various control valves shown in Figures 7-12 ) to periodically deliver the first gas to the patient, thereby providing periodic respiratory support. The card controls the opening of the one or more valves at a certain frequency to create a periodic airflow, enabling the ventilation device 200 to provide periodic respiratory support to the patient. In conjunction with the above embodiments, when the second ventilation control device controls the opening of the one or more valves at a switching control frequency of 3 Hz or higher, the ventilation device 200 can provide high-frequency ventilation to the patient. When the second ventilation control device 202 controls the opening of the one or more valves at a switching control frequency of 10-1500 bpm and the ventilation device 200 is connected to a jet accessory, the ventilation device 200 can provide jet ventilation to the patient.

[0171] In the above embodiment, a first flow sensor 204a for monitoring the flow rate of oxygen branch 200a may be further provided in oxygen branch 200a. A second flow sensor 204b for monitoring the flow rate of air branch 200b may also be provided in air branch 200b. These two flow sensors can effectively monitor the flow rates of oxygen and air.

[0172] A safety valve 205 for pressure relief is provided between the confluence node (black dot in Figures 11 and 12) of the oxygen branch 200a and the air branch 200b and the output port 209. At least one pressure sensor for monitoring pressure is also provided. The safety valve 205 can be specifically configured to connect the output port 209 to the exhaust port of the safety valve 205 when the pressure monitored by the pressure sensor exceeds a preset threshold, allowing gas between the output port 209 and the safety valve 205 to be discharged through the exhaust port, thereby preventing barotrauma for the patient. The safety valve 205 can also be configured to isolate the airway between the output port 209 and the confluence node when the pressure monitored by the pressure sensor exceeds a preset threshold. For example, the safety valve 205 is a three-way valve, with a first end connected to the output port 209, a second end connected to the confluence node, and a third end serving as the exhaust port. Under normal circumstances, the first end of the three-way valve is connected (communicated) to the second end, and both the first end and the exhaust port are disconnected. The pressure sensor outputs the monitored pressure to the second ventilation control device. The second ventilation control device determines whether the pressure exceeds a preset threshold. If so, it outputs a corresponding control signal to the three-way valve. Triggered by the control signal, the three-way valve disconnects the first end from the second end and connects (communicates) the first end to the exhaust port, thereby releasing excessively high-pressure gas and improving safety. The preset threshold can be set based on clinical experience or physician needs.

[0173] The human-machine interaction device of the anesthesia machine also includes a display. When the respiratory support mode received by the human-machine interaction device is periodic respiratory support, the display is used to output a prompt message to turn off the anesthetic delivery device 102 or output a prompt message to switch the patient's anesthesia mode, so as to prevent the anesthetic of the anesthetic delivery device 102 from being released into the environment instead of being provided to the patient through the breathing circuit. When the respiratory support mode received by the human-machine interaction device is periodic respiratory support, the display can also be used to display a pressure waveform W (as shown in FIG14 ) for user viewing and analysis. The pressure in the pressure waveform W is monitored by a pressure sensor.

[0174] In this embodiment, when the anesthetic delivery device 102 is an electronic vaporizer, the anesthesia machine can also obtain the operating status of the electronic vaporizer. When the human-computer interaction device receives that the respiratory support mode is periodic respiratory support, the anesthesia machine is further configured to determine whether the electronic vaporizer's current operating state is off, that is, whether the electronic vaporizer is turned off. Only after the electronic vaporizer is turned off does the anesthesia machine switch to the periodic respiratory support mode. The ventilation device 200 only performs periodic respiratory support after the electronic vaporizer is turned off, thereby improving the safety of the anesthesia machine.

[0175] Further in conjunction with Figure 13, Figure 13 is a schematic diagram of the main monitoring interface on the display of the anesthesia machine. The main monitoring interface includes a ventilation mode switching area P1, and high-frequency jet ventilation is one of the ventilation modes, which is presented in the ventilation mode switching area P1 in a tab format. When it is desired to use the anesthesia machine to provide periodic respiratory support, the "HFJV" icon in the ventilation mode switching area P1 can be selected, and confirmed through the "SET MODE" icon to complete the selection of the periodic respiratory support method. At this time, the ventilation device 200 can be controlled to start and provide periodic high-frequency jet ventilation to the patient. The pressure monitored during high-frequency jet ventilation will be displayed in the pressure waveform area P2 of the main monitoring interface. When it is desired to use the anesthesia machine to provide periodic anesthetic breathing support, other ventilation mode icons in the ventilation mode switching area P1, such as the "VCV" icon, can be selected. At this time, the first ventilation control device 104 can control the breathing circuit to provide periodic anesthetic breathing support to the patient.

[0176] In some embodiments, when the human-computer interaction device receives any type of respiratory support mode, the instructions formed based on the same respiratory support mode can be transmitted to the first ventilation control device and the second ventilation control device respectively. The two ventilation control devices start or stop the corresponding respiratory support mode according to the received instructions. For example, when the respiratory support mode received by the human-computer interaction device is periodic respiratory support, the first ventilation control device 104 controls the breathing circuit to stop outputting the second gas with anesthetic to the outside and stops the periodic anesthesia respiratory support for the patient. The second ventilation control device synchronously controls the ventilation device 200 (for example, the gas delivery branch) to start periodically providing the first gas to the patient and perform high-frequency / jet ventilation.

[0177] In the above embodiment, the second ventilation control device 202 and the first ventilation control device 104 are two independent ventilation control devices; of course, in other embodiments, the second ventilation control device 202 and the first ventilation control device 104 can also be the same ventilation control device, that is, the control function of the ventilation device 200 can be further integrated with the first ventilation control device. That is, the first ventilation control device also has the function of the second ventilation control device described above, which is used to control the gas delivery branch to provide periodic respiratory support to the patient. In specific operation, after the instruction for selecting the respiratory support mode received by the human-computer interaction device is transmitted to the first ventilation control device, the first ventilation control device decides whether to control the breathing circuit to provide periodic anesthetic respiratory support and / or control the gas delivery branch to provide periodic respiratory support to the patient.

[0178] 7-12 , the pressure sensor may be disposed between the second control valve 202 and the output port 209 . The safety valve 205 is also disposed between the second control valve 202 and the output port 209 .

[0179] Multiple pressure sensors can be provided. This embodiment is described by taking the first pressure monitoring device 203 and the second pressure monitoring device 206 as an example. The pressure monitored by the first pressure monitoring device 203 is used to trigger the safety valve 205, and the pressure monitored by the second pressure monitoring device 206 is used to display the waveform.

[0180] Specifically, the first pressure monitoring device 203 is located near the safety valve 205. The first pressure monitoring device 203 monitors the pressure of the high-frequency gas. When the pressure value monitored by the first pressure monitoring device 203 is found to be abnormal, the safety valve 205 is switched to isolate the patient's airway from the airway of the ventilation device 200. At the same time, the gas on the patient's side can be discharged through the safety valve 205, preventing barotrauma on the patient's side.

[0181] The second pressure monitoring device 206 is located near the patient end, that is, near the output port 209. A pressure sampling port is provided at the near-patient end, connected to the second pressure monitoring device 206 of the ventilation device 200 via a pressure sampling conduit. The display thus displays the pressure oscillation waveform W collected by the second pressure monitoring device 206. Of course, in some embodiments, the operation of the safety valve 205 may also be triggered by the second pressure monitoring device 206 near the patient end, and the data of the pressure waveform W displayed on the display may also be collected by the first pressure monitoring device 203 near the safety valve 205.

[0182] The ventilation device 200 can perform high-frequency / jet ventilation by controlling the switching frequency of the second ventilation control device (e.g., second control valve 202). The specific process of high-frequency / jet ventilation has been described in detail above. By adjusting the frequency (i.e., the air delivery frequency) of high-frequency / jet ventilation performed by the second control valve 202, the ventilation device 200 can achieve ventilation with different ventilation frequencies. For example, when the ventilation device 200 is performing jet ventilation, if the ventilation frequency of the jet ventilation device is lowered, the jet ventilation device becomes a low-frequency ventilation device, which can be used with appropriate accessories (such as nasal plugs, nasal masks, face masks, etc.).

[0183] As shown in Figures 6 and 7, the anesthesia machine also includes a flow monitoring device 101, which is used to control (regulate) the flow of the first gas. It can be mechanical or fully electronic. The flow monitoring device 101 can also be used to detect the flow of the first gas. There are various ways to connect the flow monitoring device 101, the anesthetic delivery device 102, and the ventilation device 200. For example, in the embodiment shown in Figure 6, the gas source interface 300' is connected to the anesthetic delivery device 102 via the flow monitoring device 101, wherein the ventilation device 200 is connected to the gas source interface 300'; specifically, in Figure 6, the gas source interface is connected to the vaporizer via the flow monitoring device 101. In addition, the anesthesia machine also includes a three-way valve. The three-way valve includes a first port connected to the flow monitoring device 101, a second port connected to the anesthetic delivery device 102, and a third port connected to the ventilation device 200. In other words, the gas source interface 300' is connected to the input end of the flow monitoring device 101. The output end of the flow monitoring device 101 can be connected to the anesthetic delivery device 102 under the control of the three-way valve, and can also be connected to the ventilation device 200 under the control of the three-way valve. That is, the three-way valve is used to enable the flow monitoring device 101 to select one of the anesthetic delivery device 102 and the ventilation device 200 to be connected.

[0184] The gas source interface 300' may also include a nitrous oxide unit for providing nitrous oxide. The nitrous oxide unit may be a nitrous oxide interface for connecting to an external nitrous oxide source, such as a nitrous oxide delivery pipeline or nitrous oxide bottle in a hospital. The flow monitoring device 101 may have three input interfaces, connected to an oxygen interface, an air interface, and a nitrous oxide interface, respectively. In one embodiment shown in FIG4 , the ventilation device 200 may include a gas delivery branch and an output port. However, the gas delivery branch does not need to be provided with a second ventilation control device 202. Instead, the fourth and fifth control valves are shared with the flow monitoring device 101. The fourth and fifth control valves are both used for periodic ventilation control. That is, the functions of the fourth and fifth control valves may be the same as those of the second ventilation control device 202. For example, the fourth and fifth control valves may be controlled to switch the flow rate at a preset frequency, so that the pulse frequency of the airflow at the first port of the three-way valve is greater than or equal to 3 Hz or between 50-1500 bpm.

[0185] Specifically, the anesthesia machine also includes a three-way valve, wherein a first port of the three-way valve is connected to the flow monitoring device 101, a second port of the three-way valve is connected to the anesthetic delivery device 102, and a third port of the three-way valve is connected to the ventilation device 200. When the respiratory support mode received by the anesthesia machine is periodic respiratory support, the first port and the third port of the three-way valve are connected, and the fourth control valve and the fifth control valve are connected to the ventilation device 200. The fourth control valve and the fifth control valve switch the flow rate according to a preset frequency so that the ventilation device 200 ventilates the patient at a first ventilation frequency. The first ventilation frequency can be, for example, greater than or equal to 2Hz, or can be greater than or equal to 3Hz, or between 50-1500bpm. In this way, by switching the opening size of the four control valves and the fifth control valve, a mixed gas of oxygen and air (or a mixed gas of oxygen, air and laughing gas) is formed into a periodic airflow. This high periodic airflow is transmitted to the output port along the gas delivery branch. If the output port of the ventilation device 200 is connected to the jet attachment, the periodic airflow passes through the jet attachment and provides jet ventilation to the patient. When the anesthesia machine receives periodic anesthesia respiratory support, the first port and the second port are connected, the fourth control valve and the fifth control valve are connected to the anesthetic delivery device 102, and the fourth control valve and the fifth control valve provide a first gas to the anesthetic delivery device at a second ventilation frequency. The first gas is mixed with the anesthetic at the second ventilation frequency to produce a second gas, so that the breathing circuit ventilates the patient. The first ventilation frequency is greater than the second ventilation frequency. The second ventilation frequency can be 0, that is, the fourth control valve and the fifth control valve are open.

[0186] It is understandable that the gas can be led out from the flow rear end of the flow monitoring device 101 to the ventilation module, which greatly simplifies the structure of the ventilation module.

[0187] As can be seen from the above content, the first gas is at least an oxygen-containing gas, and the anesthesia machine may further include an auxiliary gas supply module. The auxiliary gas supply module is used to receive the first gas output by the gas source interface 300', and use the first gas to provide respiratory support to the patient at a flow rate of 20-80 liters / minute. The respiratory support provided by the auxiliary gas supply module is non-periodic respiratory support. Non-periodic respiratory support refers to continuous gas delivery to the patient. This method is actually high-flow oxygen therapy. In this way, the anesthesia machine can provide high-flow oxygen therapy to the patient when anesthesia is not needed, and has a wide range of applications.

[0188] In some embodiments, an anesthesia machine may include a mainframe having a housing, and at least a portion of a ventilation device may be disposed within a housing formed by the housing, forming an integrated unit with the anesthesia machine. Specifically, at least a portion of the ventilation device may be integrated within the anesthesia machine. For example, a second ventilation control device included in the ventilation device may be built into the mainframe and communicatively coupled to a human-machine interface device of the anesthesia machine.

[0189] The anesthesia machine of the present invention, due to its integrated ventilation device, can provide the following ventilation control: when the received respiratory support mode is periodic anesthesia respiratory support, the first gas is controlled to be mixed with the anesthetic to obtain the second gas, the second gas is controlled to enter the breathing circuit of the anesthesia machine, and the breathing circuit is controlled to periodically output the second gas to achieve periodic anesthesia respiratory support; when the received respiratory support mode is periodic breathing support, the first gas is controlled to enter the ventilation device of the anesthesia machine, and the ventilation device is controlled to periodically output the first gas to achieve periodic breathing support; wherein, periodic breathing support includes not providing gas delivery for part of the time in a breathing cycle. For example, when the user wishes to provide jet ventilation through the anesthesia machine, the ventilation device can be controlled to output the periodic first gas at a certain frequency, and the periodic first gas can complete the jet ventilation after passing through the jet attachment.

[0190] The present invention creatively integrates jet ventilation (JV) functionality into a universal anesthesia machine, enabling direct use of the anesthesia machine to support applications such as pharyngeal, tracheal, bronchial, or pulmonary surgery where endotracheal intubation is not possible. For example, when using the anesthesia machine provided by the present invention, the physician places a needle or nozzle into the appropriate location in the pharynx or trachea and uses the anesthesia machine to perform jet ventilation and respiratory support. On the one hand, the needle or nozzle has a very small diameter, providing ample space for the physician to observe and perform laryngoscopy. On the other hand, the characteristics of jet ventilation, especially high-frequency (above 3Hz, or 50-1500bpm) jet ventilation, result in minimal changes in the patient's lung pressure between inspiration and expiration, preventing significant fluctuations in lung respiration. This undoubtedly facilitates single-lung ventilation or pulmonary surgery. It is readily understood that because jet ventilation uses a needle or nozzle, it does not form a sealed connection between the anesthesia machine's airway system and the patient's respiratory system. Therefore, this type of ventilation cannot simultaneously inject anesthetics through the needle or nozzle, as this would cause anesthetic leakage. In this case, anesthesia is administered through an intravenous injection of anesthetic drugs.

[0191] The present invention integrates ventilation devices such as jet ventilation functions into a universal anesthesia machine, and integrates boards, display screens, etc. into one device, which brings convenience to the management of operating room equipment and allows more hospitals to perform anesthesia surgeries such as pharyngeal, tracheal, bronchial or lung surgeries that cannot be performed with endotracheal intubation and ventilation. It has great clinical value.

[0192] As shown in FIG1 to FIG14 , according to a sixth aspect of the present application, the present application provides a ventilation control method implemented through an interactive interface, wherein the interactive interface provides an anesthesia machine 100 setting area and a ventilation device 200 setting area; wherein the method includes:

[0193] The interactive interface receives the anesthesia machine 100 control information input by the user through the anesthesia machine 100 setting area, and sends the anesthesia machine 100 control instruction to the anesthesia machine 100 with which the communication connection is established according to the anesthesia machine 100 control information, so that the anesthesia machine 100 performs periodic anesthesia breathing support on the patient 400 according to the anesthesia machine 100 control instruction;

[0194] The interactive interface receives ventilation device 200 control information input by the user through the ventilation device 200 setting area, and sends ventilation device 200 control instructions to the ventilation device 200 with which the communication connection is established according to the ventilation device 200 control information, so that the ventilation device 200 performs periodic respiratory support on the patient 400 according to the ventilation device 200 control instructions;

[0195] Among them, the anesthesia machine 100 and the ventilation device 200 connected by the interactive interface can be selectively coupled or decoupled, so that the ventilation device 200 can independently provide periodic respiratory support to the patient 400 after being decoupled from the anesthesia machine 100; or when the ventilation device 200 is coupled with the anesthesia machine 100, the ventilation device 200 can provide periodic respiratory support to the patient 400 independently of the anesthesia machine 100, or the anesthesia system receives the operation of the ventilation device 200 through the anesthesia machine 100 to control the ventilation device 200 to provide periodic respiratory support to the patient 400 to meet the needs of different physiological conditions of the user.

[0196] In the description of this application, it should be noted that, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "connected" should be understood broadly. For example, they can refer to fixed connections, detachable connections, or integral connections. They can refer to mechanical connections or electrical connections. They can refer to direct connections or indirect connections through an intermediary. They can refer to internal communication between two components or interactions between two components. Those skilled in the art will understand the specific meanings of the above terms in this application based on the specific circumstances.

[0197] In this application, unless otherwise expressly specified or limited, a first feature being "above" or "below" a second feature may include the first and second features being in direct contact, or may include the first and second features being in contact not directly but through another feature between them. Moreover, a first feature being "above," "above," and "above" a second feature may include the first feature being directly above or obliquely above the second feature, or may simply mean that the first feature is higher in level than the second feature. A first feature being "below," "below," and "below" a second feature may include the first feature being directly below or obliquely below the second feature, or may simply mean that the first feature is lower in level than the second feature.

[0198] The disclosure above provides many different embodiments or examples for realizing the different structures of the present application. In order to simplify the disclosure of the present application, the components and settings of specific examples are described above. Of course, they are merely examples and are not intended to limit the present application. In addition, the present application may repeat reference numerals and / or reference letters in different examples, and such repetition is for the purpose of simplicity and clarity, and does not itself indicate the relationship between the various embodiments and / or settings discussed. In addition, the present application provides examples of various specific processes and materials, but those of ordinary skill in the art will appreciate the application of other processes and / or the use of other materials.

[0199] Throughout this specification, reference to terms such as "one embodiment," "some embodiments," "illustrative embodiments," "examples," "specific examples," or "some examples" means that a specific feature, structure, material, or characteristic described in conjunction with an embodiment or example is included in at least one embodiment or example of the present application. In this specification, the schematic representations of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

Claims

1. An anesthesia system, characterized in that: including anesthesia machines and ventilation equipment; The anesthesia machine includes a flow monitoring device, an anesthetic delivery device, a breathing circuit and a first ventilation control device; The flow monitoring device is used to adjust the flow of the first gas; the anesthetic delivery device is used to mix the first gas with the anesthetic to obtain a second gas, and deliver the second gas to the breathing circuit; the breathing circuit is used to deliver the second gas to the patient; the first ventilation control device is used to control the breathing circuit to deliver the second gas to the patient, thereby providing periodic anesthetic breathing support for the patient; The ventilation device includes a second ventilation control device and a gas delivery branch; The gas delivery branch is used to receive the third gas and provide periodic respiratory support to the patient; the second ventilation control device switches the flow rate at a preset frequency to control the gas delivery branch to provide periodic respiratory support to the patient; In which, the ventilation device is used to selectively couple or decouple with the anesthesia machine; after the ventilation device is coupled with the anesthesia machine, the ventilation device provides periodic respiratory support to the patient independently of the anesthesia machine, or the anesthesia system receives the operation of the ventilation device through the anesthesia machine to control the ventilation device to provide periodic respiratory support to the patient.

2. The anesthesia system according to claim 1, wherein: The anesthesia machine includes a first shell, and the ventilation device includes a second shell. The first shell has an attachment position configured to engage with the ventilation device; the attachment position is formed with a mounting position that cooperates with the second shell of the ventilation device. After the ventilation device is coupled to the anesthesia machine, the ventilation device is at least partially accommodated in the mounting position.

3. The anesthesia system according to claim 2, wherein: The attachment position is also provided with an auxiliary output interface, and the ventilation device is provided with an input interface, which is used to be connected to the auxiliary output interface to obtain electrical energy from the anesthesia machine or to communicate with the anesthesia machine.

4. The anesthesia system according to claim 2, wherein: The attachment position is also provided with a gas source connector for providing the first gas, and the ventilation device also includes a gas source interface for providing the third gas; after the ventilation device is coupled to the anesthesia machine, the gas source interface is connected to the gas source connector to receive the first gas through the gas source connector to replace the third gas.

5. The anesthesia system according to claim 1, wherein: The anesthesia machine includes a first communication module, and the ventilation device includes a second communication module; the second communication module is used to establish a communication connection with the first communication module to achieve selective coupling between the ventilation device and the anesthesia machine.

6. The anesthesia system according to claim 1, wherein: The anesthesia machine includes a gas source connector for providing the first gas, and the ventilation device also includes a gas source interface; the gas source interface is used to communicate with the gas source connector to achieve selective coupling between the ventilation device and the anesthesia machine.

7. An anesthesia system, characterized in that: An anesthesia machine includes a flow monitoring device, an anesthetic delivery device, a breathing circuit and a first ventilation control device; The flow monitoring device is used to adjust the flow of the first gas; The anesthetic delivery device is used to mix the first gas with the anesthetic to obtain a second gas, and deliver the second gas to the breathing circuit; The breathing circuit is used to deliver the second gas to the patient; The first ventilation control device is used to control the breathing circuit to deliver the second gas to the patient, thereby providing periodic anesthetic breathing support for the patient; The anesthesia system further comprises a ventilation device, the anesthesia machine has an attachment position configured to engage with the ventilation device, and the ventilation device is detachably mounted on the attachment position; the ventilation device comprises a second housing, a second ventilation control device and a gas delivery branch, and the second ventilation control device and the gas delivery branch are disposed on the second housing; The gas delivery branch is used to receive the third gas and provide periodic respiratory support to the patient; The second ventilation control device switches the flow rate at a preset frequency to control the gas delivery branch to provide periodic respiratory support to the patient.

8. The anesthesia system according to claim 2 or 7, characterized in that: A first coupling member is provided on the attachment position of the anesthesia machine, and a second coupling member is provided on the ventilation device. The first coupling member is engaged with the second coupling member to achieve coupling between the ventilation device and the anesthesia machine at the attachment position.

9. The anesthesia system according to claim 8, characterized in that The first engaging member includes a fixing structure disposed at an attachment position of the anesthesia machine, and the second engaging member includes a mating structure configured to be mated with the fixing structure, wherein the mating structure is connected to the fixing structure.

10. The anesthesia system according to claim 9, characterized in that The fixing structure includes a support arm arranged on the outside or inside of the anesthesia machine, and the ventilation device is fixed to the support arm through the matching structure; or, The fixing structure includes a recessed structure provided on the outside or inside of the anesthesia machine, and the ventilation device is embedded in the recessed structure through the matching structure; or, The attachment position is a notch or a slot provided on the outside of the anesthesia machine, the fixing structure includes a connector provided in the notch or the slot, and the ventilation device is detachably connected to the connector through the matching structure.

11. The anesthesia system according to claim 8, wherein: The ventilation device further comprises a gas source interface for providing the third gas, the gas source interface being connected to the second ventilation control device via the gas delivery branch; The first joint includes a gas source connector provided at the attachment position, and the second joint includes the gas source interface, wherein the gas source interface is connected to the gas source joint; or, the gas source interface is connected to an external gas source.

12. The anesthesia system according to claim 11, wherein: The ventilation device further comprises an output port, and the second ventilation control device is in communication with the output port, so that the third gas outputted from the output port can form a periodic airflow; The first joint also includes an output connector arranged at the attachment position, and the second joint includes the output port, which is connected to the output connector so that the third gas is output to the inside of the anesthesia machine through the output port and the output connector; or, the output port of the ventilation device is connected to an injection accessory, so that the third gas can be output through the injection accessory.

13. The anesthesia system according to claim 7, wherein: The anesthesia machine also includes a gas source module for providing the first gas, and the gas source module is connected to the anesthetic delivery device through the flow monitoring device. The ventilation device also includes a gas source interface, and the ventilation device is connected to the gas source module through the gas source interface.

14. The anesthesia system according to claim 1 or 7, characterized in that: The anesthesia machine also includes a human-computer interaction device. After the ventilation device is coupled or installed on the anesthesia machine, the ventilation mode provided by the human-computer interaction device also includes periodic respiratory support provided by the ventilation device. When the ventilation mode received by the human-computer interaction device is periodic respiratory support, the anesthesia machine controls the ventilation device to periodically output the third gas.

15. The anesthesia system according to claim 14, wherein: After the ventilation device is removed from the attachment position of the anesthesia machine, the ventilation device independently provides periodic respiratory support, and the ventilation mode provided by the human-machine interaction device no longer includes periodic respiratory support or the ventilation mode of periodic respiratory support provided by the human-machine interaction device cannot be operated.

16. The anesthesia system according to claim 1 or 7, characterized in that: The ventilation device communicates with the anesthesia machine in a wired or wireless manner.

17. The anesthesia system according to claim 16, wherein: The anesthesia machine also includes a first human-computer interaction device; the working information of the ventilation device is displayed through the first human-computer interaction device on the anesthesia machine; and / or the first human-computer interaction device is used to receive user input to control the ventilation device.

18. The anesthesia system according to claim 17, wherein: The ventilation device also includes a second human-computer interaction device, which is used to provide a display interface, on which the working information is displayed or a control interface is provided; the first human-computer interaction device is also used to display the same display interface in a display window or display area.

19. The anesthesia system according to claim 16, wherein: The anesthesia machine displays on the same interface of the human-computer interaction device an anesthesia machine setting area for receiving user input for ventilation control of the anesthesia machine, and a ventilation device setting area for receiving user input for ventilation control of the ventilation device.

20. The anesthesia system according to claim 16, wherein The ventilation device is provided with a trigger switch; when the trigger switch is triggered, the ventilation device can establish a wireless connection with the anesthesia machine.

21. The anesthesia system according to claim 1 or 7, characterized in that: The anesthesia machine is provided with an auxiliary output interface, and the ventilation device is provided with an input interface, and the input interface is connected to the auxiliary output interface; wherein, the auxiliary output interface includes an auxiliary signal output interface and / or an auxiliary power output interface, and the input interface includes a signal input interface and / or a power input interface, and the signal input interface and the power input interface are correspondingly connected to the auxiliary signal output interface and the auxiliary power output interface.

22. The anesthesia system according to claim 1 or 7, characterized in that: The anesthesia machine is provided with an auxiliary output interface, and the ventilation device is provided with an input interface, and the input interface is connected to the auxiliary output interface; Among them, the auxiliary output interface includes an auxiliary power output interface, the input interface includes a power input interface, and the power input interface is connected to the auxiliary power output interface so that the anesthesia machine can supply power to the ventilation device; the anesthesia machine and the ventilation device also include a wireless communication module to enable the anesthesia machine to communicate with the ventilation device.

23. The anesthesia system according to any one of claims 1 to 22, characterized in that Also included is a control terminal; the control terminal is communicatively connected to the anesthesia machine and the ventilation device; The control terminal sends an anesthesia machine control instruction to the anesthesia machine according to the anesthesia machine control information input by the user, and sends a ventilation device control instruction to the ventilation device according to the ventilation device control information input by the user; The anesthesia machine controls the patient to perform periodic anesthesia breathing support according to the anesthesia machine control instruction; The ventilation device controls the patient to provide periodic respiratory support according to the ventilation device control instruction.

24. The anesthesia system according to any one of claims 1 to 23, characterized in that The second ventilation control device is controlled to ventilate the patient at a first ventilation frequency, thereby providing periodic respiratory support for the patient.

25. The anesthesia system according to claim 24, wherein: The ventilation accessory of the ventilation device includes a jet accessory, which receives the third gas output by the second ventilation control device and outputs the third gas in the form of a high-frequency jet airflow.

26. The anesthesia system according to claim 25, wherein: The injection attachment includes an injection channel, and the output aperture of the injection channel is less than 4 mm.

27. The anesthesia system according to claim 25, wherein: The ventilation frequency of the high-frequency jet airflow used to ventilate the patient is 50-1500 bpm.

28. An anesthesia machine, characterized in that: It includes a flow monitoring device, an anesthetic delivery device, a breathing circuit and a first ventilation control device; The flow monitoring device is used to adjust the flow of the first gas; The anesthetic delivery device is used to mix the first gas with the anesthetic to obtain a second gas, and deliver the second gas to the breathing circuit; The breathing circuit is used to deliver the second gas to the patient; The first ventilation control device is used to control the breathing circuit to deliver the second gas to the patient, thereby providing periodic anesthetic breathing support for the patient; In which, the anesthesia machine has an attachment position configured to be provided with a first connector; the first connector includes at least one of the following: a fixed structure for connecting an external ventilation device to the anesthesia machine, a gas source connector for delivering the first gas to the external ventilation device, an auxiliary power output interface for providing electrical energy to the external ventilation device, and an auxiliary signal output interface for transmitting signals with the external ventilation device.

29. An anesthesia machine, characterized in that: It includes an anesthesia machine host, a flow monitoring device, an anesthetic delivery device, a breathing circuit, a first ventilation control device, a human-computer interaction device and a ventilation device; The flow monitoring device is used to adjust the flow of the first gas; The anesthetic delivery device is in communication with the flow monitoring device, and is used to mix the first gas with the anesthetic to obtain a second gas, and deliver the second gas to the breathing circuit; The breathing circuit is used to deliver the second gas to the patient; The first ventilation control device is used to control the breathing circuit to deliver the second gas to the patient, so that the anesthesia machine provides periodic anesthesia breathing support for the patient; The ventilation device is used to receive the first gas and provide periodic respiratory support to the patient by delivering the first gas to the patient; wherein at least part of the ventilation device is arranged inside the anesthesia machine host; and The human-computer interaction device is used to receive the respiratory support mode provided by the anesthesia machine to the patient input by the user; the anesthesia machine provides periodic anesthesia respiratory support and / or periodic respiratory support to the patient according to the respiratory support mode received by the human-computer interaction device.

30. The anesthesia machine according to claim 29, wherein: The anesthesia machine main unit includes a first shell, and at least part of the ventilation device is arranged inside the first shell.

31. The anesthesia machine according to claim 29, wherein: The ventilation device includes a high-frequency ventilation device, which is used to ventilate the patient at a first ventilation frequency, thereby providing periodic respiratory support for the patient.

32. The anesthesia machine according to claim 31, wherein: The high-frequency ventilation device includes a gas delivery branch, a second control valve and an output port. The high-frequency ventilation device receives the first gas through the gas delivery branch. The second control valve is arranged in the gas delivery branch and is controlled to switch the flow rate at the first ventilation frequency so that the first gas output from the output port forms a high-frequency airflow.

33. The anesthesia machine according to claim 31, wherein: It also includes a jet accessory connected to the high-frequency ventilation device, wherein the jet accessory receives the first gas output by the high-frequency ventilation device and outputs the first gas in the form of a high-frequency jet airflow.

34. The anesthesia machine according to any one of claims 29 to 33, characterized in that: Also includes: A gas source module for providing the first gas; the gas source module is connected to the anesthetic delivery device through the flow monitoring device; wherein the ventilation device is connected to the gas source module.

35. The anesthesia machine according to claim 34, wherein: The gas source module includes an oxygen unit, and the first gas includes oxygen provided by the oxygen unit; The ventilation device includes: an oxygen branch, a second control valve and an output port; the oxygen unit is connected to the output port through the oxygen branch, and the second control valve is arranged in the oxygen branch to control the oxygen flow rate of the oxygen branch and form the oxygen output from the output port into a high-frequency airflow.

36. The anesthesia machine according to claim 34, wherein: The gas source module includes an air unit, and the first gas includes air provided by the air unit; The ventilation device includes: an air branch, a second control valve and an output port; the air unit is connected to the output port through the air branch, and the second control valve is arranged in the air branch to control the air flow of the air branch and form a high-frequency airflow of the air output from the output port.

37. The anesthesia machine according to claim 34, wherein: The gas source module includes an oxygen unit for providing oxygen and an air unit for providing air, and the first gas includes the oxygen provided by the oxygen unit and the air provided by the air unit; The ventilation device includes: an oxygen branch, an air branch and an output port; the oxygen branch is connected to the oxygen unit, and the air branch is connected to the air unit; the oxygen branch and the air branch are connected to the output port after merging; wherein, a first control valve is provided in the oxygen branch, and the first control valve is used to control the oxygen flow rate of the oxygen branch and form the oxygen in the oxygen branch into a high-frequency airflow; the air branch is provided with a third control valve, and the third control valve is used to control the air flow rate of the air branch and form the air in the air branch into a high-frequency airflow.

38. The anesthesia machine according to claim 34, wherein: The gas source module includes an oxygen unit for providing oxygen and an air unit for providing air, and the first gas includes the oxygen provided by the oxygen unit and the air provided by the air unit; The ventilation device includes: an oxygen branch, an air branch, a second control valve and an output port; the oxygen branch is connected to the oxygen unit, and the air branch is connected to the air unit; the oxygen branch and the air branch are connected to the output port through the second control valve after converging; wherein, a first control valve is provided in the oxygen branch, and a third control valve is provided in the air branch, the first control valve is used to control the oxygen flow rate of the oxygen branch, the third control valve is used to control the air flow rate of the air branch, and the second control valve is used to form a high-frequency airflow from the mixed gas of the air and oxygen after converging.

39. The anesthesia machine according to any one of claims 35 to 38, characterized in that: The high-frequency airflow formed at the output port ventilates the patient at a ventilation frequency of at least 3 Hz.

40. The anesthesia machine according to any one of claims 35 to 38, characterized in that: The output port is used to connect to a jet accessory, and the high-frequency airflow outputted from the output port is transmitted through the jet accessory to form a high-frequency jet airflow.

41. The anesthesia machine according to claim 40, wherein: The ventilation frequency of the high-frequency jet airflow used to ventilate the patient is 50-1500 bpm.

42. The anesthesia machine according to any one of claims 35, 36 or 38, wherein: A pressure sensor for monitoring pressure is provided between the second control valve and the output port; The human-computer interaction device includes a display. When the respiratory support mode received by the human-computer interaction device is periodic respiratory support, the display is used to display the waveform of the pressure monitored by the pressure sensor.

43. The anesthesia machine according to claim 29, wherein: The ventilation device includes a gas delivery branch, a second control valve and an output port. The second control valve is arranged in the gas delivery branch and is used to control the ventilation device to provide periodic respiratory support; the ventilation device receives the first gas through the gas delivery branch, and the first gas is output through the injection accessory connected to the output port and formed into a jet airflow.

44. The anesthesia machine according to claim 29, wherein: The invention also includes a spray accessory connected to the ventilation device, wherein the spray accessory receives the first gas output by the ventilation device and forms the first gas into a spray airflow.

45. The anesthesia machine according to claim 44, wherein: The injection attachment includes an injection channel, and the output aperture of the injection channel is less than 4 mm.

46. ​​The anesthesia machine according to claim 34, wherein: The gas source module includes an oxygen unit, and the first gas includes oxygen provided by the oxygen unit; The ventilation device includes: an oxygen branch, a second control valve and an output port; the oxygen unit is connected to the output port through the oxygen branch, the output port is used to connect the injection accessories, and the second control valve is set at The oxygen branch is used to control the oxygen flow rate of the oxygen branch and to form a periodic jet flow after the oxygen output from the output port passes through the jet attachment.

47. The anesthesia machine according to claim 34, wherein: The gas source module includes an air unit, and the first gas includes air provided by the air unit; The ventilation device includes: an air branch, a second control valve and an output port; the air unit is connected to the output port through the air branch, and the output port is used to connect to a spray accessory. The second control valve is arranged in the air branch, and is used to control the air flow of the air branch and form a periodic spray airflow after the air output from the output port passes through the spray accessory.

48. The anesthesia machine according to claim 34, wherein: The gas source module includes an oxygen unit for providing oxygen and an air unit for providing air, and the first gas includes the oxygen provided by the oxygen unit and the air provided by the air unit; The ventilation device includes: an oxygen branch, an air branch and an output port; the oxygen branch is connected to the oxygen unit, and the air branch is connected to the air unit; the oxygen branch and the air branch are connected to the output port after converging, and the output port is used to connect a jet accessory; wherein, a first control valve is provided in the oxygen branch, and the first control valve is used to control the oxygen flow of the oxygen branch and to form a periodic airflow of the oxygen in the oxygen branch; a third control valve is provided in the air branch, and the third control valve is used to control the air flow of the air branch and to form a periodic airflow of the air in the air branch; the mixed gas after the periodic airflow of the oxygen branch and the periodic airflow of the air branch converge forms a periodic jet airflow when output through the jet accessory connected to the output port.

49. The anesthesia machine according to claim 34, wherein: The gas source module includes an oxygen unit for providing oxygen and an air unit for providing air, and the first gas includes the oxygen provided by the oxygen unit and the air provided by the air unit; The ventilation device includes: an oxygen branch, an air branch, a second control valve and an output port; the oxygen branch is connected to the oxygen unit, and the air branch is connected to the air unit; after the oxygen branch and the air branch merge, they are connected to the output port through the second control valve, and the output port is used to connect a jet accessory; wherein, a first control valve is provided in the oxygen branch, and a third control valve is provided in the air branch, the first control valve is used to control the oxygen flow rate of the oxygen branch, the third control valve is used to control the air flow rate of the air branch, and the second control valve is used to make the mixed gas of the air and oxygen after the merger form a periodic jet airflow when it is output through the jet accessory connected to the output port.

50. The anesthesia machine according to claim 29, wherein: The ventilation device includes a second ventilation control device and a gas delivery branch, and the second ventilation control device is used to control the gas delivery branch to provide periodic respiratory support to the patient.

51. The anesthesia machine according to claim 29, wherein: The ventilation device includes a gas delivery branch, and the first ventilation control device is also used to control the gas delivery branch to provide periodic respiratory support to the patient.

52. The anesthesia machine according to claim 34, wherein: The human-computer interaction device includes a display. When the respiratory support mode received by the human-computer interaction device is periodic respiratory support, the display is used to output a prompt message for shutting down the anesthetic delivery device or a prompt message for switching the patient's anesthesia mode.

53. The anesthesia machine according to claim 34, wherein: The anesthetic delivery device is an electronic vaporizer canister, and when the respiratory support mode received by the human-computer interaction device is periodic respiratory support, the anesthesia machine is further configured to determine whether the electronic vaporizer canister is turned off, and after determining that the electronic vaporizer canister is turned off, enable the anesthesia machine to provide periodic respiratory support.

54. The anesthesia machine according to claim 34, wherein: Also included is a three-way valve; the three-way valve includes a first port connected to the flow monitoring device, a second port connected to the anesthetic delivery device, and a third port connected to the ventilation device; The flow monitoring device includes a fourth control valve and a fifth control valve; when the breathing support mode received by the anesthesia machine is periodic breathing support, the first port and the third port are connected, and the fourth control valve and the fifth control valve are connected with the ventilation device, so that the ventilation device ventilates the patient at a first ventilation frequency; when the breathing support mode received by the anesthesia machine is periodic anesthesia breathing support, the first port and the second port are connected, and the fourth control valve and the fifth control valve are connected with the anesthetic delivery device, and the first gas is mixed with the anesthetic at a second ventilation frequency to obtain a second gas, so that the breathing circuit ventilates the patient; wherein the first ventilation frequency is greater than the second ventilation frequency.

55. The anesthesia machine according to claim 29, wherein: The first gas is at least an oxygen-containing gas, and the anesthesia machine further comprises: The auxiliary gas supply module is used to receive the first gas and use the first gas to provide respiratory support to the patient at a flow rate of 20-80 liters / minute.

56. The anesthesia machine according to any one of claims 29 to 54, characterized in that The ventilation device provides periodic respiratory support at a first ventilation frequency, and the first ventilation control device controls the breathing circuit to provide periodic anesthetic respiratory support at a third ventilation frequency; wherein the first ventilation frequency is greater than the third ventilation frequency.

57. The anesthesia machine according to any one of claims 29 to 56, characterized in that The ventilation device switches the flow rate of the delivered first gas at a preset frequency to achieve periodic respiratory support for the patient.

58. A ventilation control method implemented through an interactive interface, characterized in that: The interactive interface provides an anesthesia machine setting area and a ventilation device setting area; the method includes: The interactive interface receives anesthesia machine control information input by a user through the anesthesia machine setting area, and sends anesthesia machine control instructions to the anesthesia machine with which a communication connection is established according to the anesthesia machine control information, so that the anesthesia machine performs periodic anesthesia breathing support on the patient according to the anesthesia machine control instructions; The interactive interface receives ventilation device control information input by the user through the ventilation device setting area, and sends ventilation device control instructions to the ventilation device with which the communication connection is established according to the ventilation device control information, so that the ventilation device performs periodic respiratory support on the patient according to the ventilation device control instructions; The anesthesia machine and the ventilation device connected to the interactive interface can be selectively coupled or decoupled.

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