Complex respiratory tract management device and complex respiratory tract management system

Abstract

The invention relates to the technical field of medical instruments, in particular to a composite respiratory tract management device and a composite respiratory tract management system.The composite respiratory tract management device comprises a main tube body, a first sleeve bag, a second sleeve bag, a third sleeve bag and a fourth sleeve bag, the first movable pipe is nested in the main pipe body in the length direction of the main pipe body; the second movable pipe is arranged in the first movable pipe in a sliding manner; the head ends of the main pipe body, the first movable pipe and the second movable pipe are jointly and detachably connected to a quick-plug connector used for being connected with a breathing machine. The composite respiratory tract management device can realize various management states, and is used for overcoming the defects that in the prior art, airway management equipment is single in function and complex to operate, and rescue time is delayed and the risk of cross contamination is increased due to the fact that multiple tools need to be combined for use. Integration, rapid switching and efficient treatment of multiple functions such as supraglottis ventilation, oropharynx ventilation and tracheal intubation can be completed through one set of device in different airway management stages.

Description

Technical Field

[0001] This invention relates to the field of medical device technology, and in particular to a composite respiratory management device and a composite respiratory management system. Background Technology

[0002] In current clinical practice, the limited functionality and operational complexity of airway management devices have become a major challenge in emergency care. In emergencies, to ensure a patient's airway patency and oxygen supply, a laryngeal mask airway (LMA) is typically inserted first to provide temporary ventilation support. However, in many cases, when the patient's condition is complex or the LMA is insufficient for ventilation, a separate endotracheal tube must be inserted to provide more reliable airway protection. Furthermore, a bite block is necessary to prevent damage to the endotracheal tube due to the patient's biting; and after extubation, the oropharyngeal airway needs to be replaced to maintain the patient's oxygenation. This series of procedures is not only time-consuming but also increases the risk of cross-contamination due to frequent contact with different devices.

[0003] Current technology requires medical personnel to carry and prepare multiple separate instruments, including laryngeal masks, endotracheal tubes, bite blocks, and nasopharyngeal airways. This undoubtedly occupies valuable space in first-aid kits and significantly increases the complexity of operations. This modular design means that frequent changes of different tools may be necessary during emergency treatment, such as switching from a laryngeal mask to an endotracheal tube and then to a bite block. Such transitions can easily delay the optimal rescue time, which is extremely detrimental to patients in urgent need of treatment. In addition, the traditional laryngeal mask can only be used for initial temporary ventilation, while the endotracheal tube focuses on airway protection; the two cannot achieve functional complementarity and integration. Summary of the Invention

[0004] This invention provides a composite airway management device and a composite airway management system to address the shortcomings of existing airway management devices, such as limited functionality, complex operation, and the need for multiple tools, which lead to delays in rescue time and increased risk of cross-contamination. It enables integrated, rapid switching, and efficient treatment of multiple functions, such as supraglottic ventilation, oropharyngeal ventilation, and endotracheal intubation, through a single device at different stages of airway management.

[0005] The present invention provides a composite airway management device, comprising: a main body, wherein a first sleeve adapted to the shape of the human pharynx is provided on the outer periphery of the end opening; a first movable tube, which is nested in the main body along the length of the main body; and a second movable tube, which is slidably disposed in the first movable tube; the first ends of the main body, the first movable tube and the second movable tube are detachably connected to a quick-connect connector for connecting to a ventilator.

[0006] According to one embodiment of the present invention, a dental pad structure is included for bearing tooth occlusion; the dental pad structure is detachably connected to the head end of the main body, the first movable tube and the second movable tube, and the quick-connect connector is disposed on the dental pad structure.

[0007] According to one embodiment of the present invention, a snap-fit ​​structure is provided between the inner surface of the main tube and the outer surface of the first movable tube, and a quick-release button is also provided on the quick-connect connector for quickly unlocking the snap-fit ​​structure to disengage the main tube and the first sleeve from the first movable tube; the snap-fit ​​structure includes: a limiting groove disposed on one of the inner surface of the main tube and the outer surface of the first movable tube; and a limiting buckle disposed on the other of the inner surface of the main tube and the outer surface of the first movable tube.

[0008] According to one embodiment of the present invention, the main body is provided with a pressure regulator; the first sleeve is made of an elastic material, and the pressure inside the first sleeve can be adjusted by the pressure regulator to control the expansion or contraction of the first sleeve.

[0009] According to one embodiment of the present invention, the first sleeve is constructed as a two-lobed sleeve structure with left and right symmetry; the number of pressure regulators is at least two, which are respectively connected to the sleeve structures on both sides of the first sleeve and are used to independently adjust the pressure inside the two-lobed sleeve structure.

[0010] According to one embodiment of the present invention, the first pouch is provided with a first pressure sensor; a plurality of the first pressure sensors are evenly distributed in an array on the surface of the first pouch facing away from the end opening of the main tube, for detecting the pressure state between the first pouch and the pharynx under the pressure of the tongue root.

[0011] According to one embodiment of the present invention, a second pressure sensor is provided at the end of the second movable tube; a plurality of the second pressure sensors are evenly arranged around the end of the second movable tube.

[0012] According to one embodiment of the present invention, the second movable tube is provided with a second sleeve, the second sleeve being adjacent to the end of the second movable tube along its length; a plurality of third pressure sensors are provided on the surface of the second sleeve for detecting the pressure of the tracheal mucosal sidewall; the second sleeve has a contracted state that conforms to the second movable tube and an expanded state with a diameter greater than that of the second movable tube; the composite airway management device is further provided with the pressure regulator connected to the second sleeve for adjusting the pressure inside the second sleeve.

[0013] The present invention also provides a complex respiratory management system, comprising: the complex respiratory management device as described in claim 8; and a controller, wherein the controller is connected to a first pressure sensor, a second pressure sensor, and a third pressure sensor of the complex respiratory management device.

[0014] According to one embodiment of the present invention, the controller includes a data analysis module; the data analysis module is configured to receive real-time pressure values ​​sent by a first pressure sensor, a second pressure sensor, and a third pressure sensor, and when any of the real-time pressure values ​​exceeds its safe pressure threshold, trigger at least one of the following responses: adjusting the pressure in the first and / or second bladders via a pressure regulator; issuing an operation warning; and generating a visual pressure heatmap.

[0015] The composite airway management device and system provided by this invention integrate operations from supraglottic ventilation to endotracheal intubation and oropharyngeal ventilation by setting up a multi-layered nested, slidable, and retractable main tube, a first movable tube, and a second movable tube, and setting a first set of cuffs adapted to the pharyngeal structure around the main tube. The device's tip can be connected to a ventilator via a quick-connect connector shared by multiple tubes, simplifying the connection and improving ease of use. During use, there is no need to replace multiple independent devices; different management modes can be flexibly switched according to the patient's condition: initially, rapid supraglottic ventilation is achieved through the first set of cuffs; if advanced airway protection is required, the first movable tube is extended and the second movable tube is pushed out to complete endotracheal intubation; when extubation requires oropharyngeal airway assistance, the second movable tube can be retracted into the first movable tube and the depth of the first movable tube adjusted to complete the oropharyngeal ventilation path; if the patient still has hypoxemia or a high risk of aspiration, the second movable tube is pushed out further, inserted into the trachea, and locked after confirmation of position to achieve advanced airway control again. The entire process can be completed using only one integrated device, which significantly reduces the time required for equipment preparation and replacement, lowers the risk of cross-infection, and improves rescue efficiency and operational safety. Attached Figure Description

[0016] To more clearly illustrate the technical solutions in this invention or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are some embodiments of this invention. For those skilled in the art, other drawings can be obtained from these drawings without creative effort.

[0017] Figure 1 This is a schematic diagram of the structure of the composite respiratory management device provided by the present invention.

[0018] Figure 2 This is a schematic diagram of the sensor distribution structure of the composite respiratory management device provided by the present invention.

[0019] Figure 3 This is a schematic diagram of the usage status of the composite respiratory management device provided by the present invention.

[0020] Figure label: 10. Main body; 11. First bladder; 12. First pressure sensor; 20. First movable tube; 21. Dental pad structure; 22. Snap-fit ​​structure; 30. Second movable tube; 31. Second pressure sensor; 32. Second bladder; 33. Third pressure sensor; 34. Pressure regulator; 35. Quick-connect connector; 36. Quick-release button. Detailed Implementation

[0021] To make the objectives, technical solutions, and advantages of this invention clearer, the technical solutions of this invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some, not all, of the embodiments of this invention. All other embodiments obtained by those skilled in the art based on the embodiments of this invention without creative effort are within the scope of protection of this invention.

[0022] In the description of the embodiments of the present invention, it should be noted that the terms "center," "longitudinal," "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," and "outer," etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing the embodiments of the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on the embodiments of the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and should not be construed as indicating or implying relative importance. It should also be noted that in the description of the present invention, unless otherwise explicitly specified and limited, the terms "set," "install," and "connect" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection. Those skilled in the art can understand the specific meaning of the above terms in the present invention according to the specific circumstances.

[0023] The following is combined Figures 1-3 This invention describes specific embodiments of the composite respiratory management device.

[0024] like Figure 1 and Figure 3As shown, the present invention provides a composite airway management device, comprising: a main body 10, the outer periphery of which is provided with a first sleeve 11 adapted to the shape of the human pharynx; a first movable tube 20, which is nested within the main body 10 along the length direction of the main body 10; and a second movable tube 30, which is slidably disposed within the first movable tube 20; the first ends of the main body 10, the first movable tube 20, and the second movable tube 30 are detachably connected to a quick-connect connector 35 for connecting to a ventilator.

[0025] The aforementioned composite airway management device has multiple management states, including: a first management state in which the main tube 10 enters the oral cavity until the first sleeve 11 reaches the pharynx; a second management state in which, based on the first management state, the end of the first movable tube 20 extends through the end opening of the main tube 10 to form a supraglottic airway; a third management state in which, based on the second management state, the end of the second movable tube 30 extends through the end opening of the first movable tube 20 to be inserted into the trachea to form an endotracheal tube, and the main tube is separated from the first movable tube and removed; and a fourth management state in which, based on the third management state, the end of the second movable tube 30 retracts into the first movable tube 20 and returns to the oropharynx to form an oropharyngeal airway.

[0026] Specifically, this composite airway management device employs a three-section nested telescopic structure. Precisely designed diameter differences and smooth surface treatment ensure stability and smooth operation between the tubes. The main tube 10 serves as the basic support unit, with a flexible first sleeve 11 at its end surrounding the opening, used to fit and seal the glottic region. The first movable tube 20 can move and extend along the main tube 10, creating an auxiliary ventilation path from the oral cavity to the pharynx. The second movable tube 30 moves flexibly within the first movable tube 20, creating a final ventilation path from the pharynx to the trachea. The composite airway management device is equipped with a standard quick-connect connector 35 at its front end for quick connection to a ventilator or other oxygen supply equipment. This quick-connect connector 35 is a standard interface suitable for ventilators and various other oxygen supply devices. In use, the main tube 10, the first movable tube 20, and the second movable tube 30 share this quick-connect connector 35. It can be understood that the main tube 10 and the first sleeve 11 are essentially a single unit, with the first sleeve 11 being the sleeve structure at the front of the laryngeal mask that contacts the pharyngeal tissue.

[0027] In use, medical personnel first insert the entire device into the patient's mouth in laryngeal mask mode, then push the main tube 10 until the first bag 11 reaches the pharynx and is inflated and sealed, achieving initial ventilation support (i.e., first management state). If further airway opening is required, the first movable tube 20 can be pushed out along the main tube 10, at which point the first movable tube 20 acts as a supraglottic airway, achieving deeper airway management (i.e., second management state). Subsequently, the second movable tube 30 can be advanced as needed, with its end extending from the end of the first movable tube 20 and inserted into the trachea. After confirming correct positioning, it is locked, and the main tube 10 is separated from the first movable tube 20 and removed, thus completing the endotracheal intubation operation (i.e., third management state). If the patient's condition improves, the second movable tube 30 can be withdrawn into the first movable tube 20, and the assembly can be retracted to the oropharynx, forming a complete oropharyngeal airway (i.e., fourth management state). Multiple management modes can be flexibly switched according to clinical needs without replacing the device, significantly improving emergency response efficiency.

[0028] In preferred applications, the modules of the composite airway management device can be flexibly disassembled and reassembled during use, and can also be pre-disassembled and reassembled according to actual needs before use to adapt to different clinical scenarios. Specifically, in environments with extremely limited resources, such as field emergency care or primary healthcare institutions, the first movable tube 20 can be removed separately for use as an independent oropharyngeal airway; or the second movable tube 30 can be used in conjunction with other adapters for emergency endotracheal intubation to quickly establish effective ventilation. In routine emergency or surgical scenarios, the three-section structure works together, sequentially deploying the main tube 10, the first movable tube 20, and the second movable tube 30 to achieve a complete airway triage management process from laryngeal mask ventilation to supraglottic ventilation and then to endotracheal intubation. In addition, the dimensions of each component can be selected according to the patient's body size, further expanding its clinical applicability.

[0029] Furthermore, to further enhance the device's intelligence and operational reliability, a pressure sensor can be integrated into the first sleeve 11 to monitor airway pressure changes in real time and transmit the data to the controller via wired or wireless means, enabling dynamic monitoring of the patient's ventilation status. The second movable tube 30 can also be equipped with a fiber optic probe or carbon dioxide detection module to provide real-time positional information during intubation, assisting medical personnel in accurately determining whether the tube has entered the trachea. Additionally, the second movable tube 30 is preferably equipped with a matching guidewire, which provides guidance and support during endotracheal intubation, improving the success rate, especially suitable for cases with anatomical abnormalities or complex intubation. Some models can also incorporate a heating wire structure to gently heat the tube wall, preventing airway dryness and mucosal damage caused by prolonged intubation. The introduction of these extended implementation methods not only effectively enhances the safety and controllability of the device in clinical use but also provides a solid hardware foundation for the future development of intelligent emergency rescue systems and closed-loop airway management.

[0030] According to a composite airway management device of the present invention, a dental pad structure 21 for bearing the occlusion of teeth is further included. The dental pad structure 21 is detachably connected to the first end of the main body 10, the first movable tube 20, and the second movable tube 30, and a quick-connect connector 35 is disposed on the dental pad structure 21. The dental pad structure is detachably connected to the first end of the main body, the first movable tube, or the second movable tube, facilitating flexible adjustment of its position and usage according to clinical needs. Simultaneously, the quick-connect connector 35 is disposed on the dental pad structure 21, enabling the entire device to be quickly connected to a ventilator through the component where the dental pad structure 21 and the quick-connect connector 35 are combined. This not only enhances the functional integration of the device but also further improves the convenience and operational efficiency. Specifically, the dental pad structure 21 is designed to prevent patients from blocking the airway due to loss of consciousness or spasm caused by occlusion, thereby ensuring airway patency. The dental pad is made of a biocompatible material with a certain degree of hardness and resistance to deformation, effectively resisting occlusal forces without causing significant pressure damage to the patient's oral tissues. In addition, the quick-connect connector 35 is placed on the tooth pad structure, realizing the integrated integration of the connecting parts and the protective structure.

[0031] According to a composite respiratory management device of the present invention, a snap-fit ​​structure 22 is provided between the inner surface of the main tube 10 and the outer surface of the first movable tube 20. The snap-fit ​​structure 22 includes: a limiting groove disposed on one of the inner surface of the main tube 10 and the outer surface of the first movable tube 20; and a limiting buckle disposed on the other of the inner surface of the main tube 10 and the outer surface of the first movable tube 20. Multiple snap-fit ​​structures 22 are provided between the inner surface of the main tube 10 and the outer surface of the first movable tube 20 to achieve multi-level positioning and limiting functions in the length direction. The snap-fit ​​structure 22 includes two parts: a limiting groove and a limiting buckle. The limiting groove is axially arranged along the inner surface of the main tube 10 or the outer surface of the first movable tube 20, preferably multiple grooves of different depths or positions. The limiting buckle is correspondingly disposed on the surface of another tube, and can slide relative to it and elastically engage after reaching a certain limiting groove position, thereby fixing the relative position between the first movable tube 20 and the main tube 10. Preferably, multiple locking points can be set along the length direction, so that the main body 10 and the first movable tube 20 can stably maintain various relative position states, ensuring the accuracy and reliability of operation.

[0032] Specifically, when the device is in the first management state (laryngeal mask ventilation mode), the first movable tube 20 is completely retracted into the main tube 10, and the limiting buckle is embedded in the limiting groove at the initial position, maintaining a compact structure. When it is necessary to enter the third management state (endotracheal intubation ventilation mode), the first movable tube 20 and the second movable tube 30 are pushed forward to a set length, and the limiting buckle engages with the limiting groove at another position. When entering the fourth state, the second movable tube 30 can also be retracted into the first movable tube 20 to adapt to the needs of different ventilation modes. Each locking point provides clear operational feedback and reliable fixation. In addition, the second movable tube 30 is preferably equipped with a matching guidewire, which can provide guidance and support during endotracheal intubation, improving the success rate of intubation, especially suitable for cases with abnormal anatomical structures or difficult intubation. The multi-level locking structure 22 not only enhances the controllability and accuracy of device operation, but also effectively avoids airway displacement caused by accidental movement or slippage. Healthcare workers can quickly select and switch between different work modes according to clinical needs, improving emergency response efficiency and safety. Meanwhile, the snap-fit ​​structure 22 is preferably made of medical-grade elastic material, ensuring good elasticity and wear resistance even after repeated use, meeting the reliability requirements for repeated clinical use.

[0033] In a preferred embodiment, the quick-release connector 35 is also equipped with a quick-release button 36 for quickly unlocking the latching structure 22, allowing the main body 10 and the first bladder to disengage from the first movable tube 20, thereby enabling modular disassembly and reassembly and further enhancing the flexibility and practicality of the device in complex emergency rescue scenarios. Specifically, the quick-release button 36 is integrated into the quick-release connector 35, and its internal mechanism is directly connected to the limiting buckle of the latching structure 22 via a transmission mechanism. When the quick-release button 36 is pressed, the pressing force of the button is converted into a lateral or axial force on the limiting buckle through mechanical transmission, forcing the limiting buckle to disengage from the currently embedded limiting groove and releasing the locking state of the latching structure. When the quick-release button 36 is not pressed, the limiting buckle remains engaged with the limiting groove under the action of a spring or elastic material. After the quick-release button 36 is pressed, the spring is compressed or deflected, and the limiting buckle temporarily loses its restraining force, thereby allowing the first movable tube 20 to slide or disassemble relative to the main body 10.

[0034] According to a composite airway management device of the present invention, the main body 10 is provided with a pressure regulator 34; the first sleeve 11 is made of elastic material, and the pressure inside the first sleeve 11 can be adjusted by the pressure regulator 34 to control the expansion or contraction of the first sleeve 11. The operator can precisely adjust the pressure of the first sleeve 11 through an external interface, thereby controlling the degree of its expansion or contraction to adapt to the anatomical structure and clinical needs of different patients.

[0035] Specifically, the first cuff 11 is preferably made of an elastic material with good flexibility and biocompatibility, ensuring no adverse reactions upon contact with human tissue and effectively sealing the glottic region. The pressure inside the cuff can be adjusted by injecting an appropriate amount of gas or liquid (such as air, oxygen, or saline) into the first cuff 11 through the pressure regulator 34. When the first cuff 11 needs to be inserted into the patient's throat, it can initially be kept at a lower pressure level to allow for easier insertion; once in the correct position, the internal pressure is increased by the pressure regulator 34 to inflate the first cuff 11, tightly adhering to the surrounding tissue to form an effective airway seal. Furthermore, the pressure of the first cuff 11 can be dynamically adjusted according to actual needs, such as appropriately reducing the pressure during prolonged use to avoid local pressure damage, or rapidly increasing the pressure to enhance the sealing effect in case of airway leakage.

[0036] To facilitate operation and ensure safety, the pressure regulator 34 is preferably equipped with a dedicated pressure regulating device, which may include, but is not limited to, a manual pump, a pressure gauge, and a check valve. These components work together to conveniently provide the necessary pressure support to the first bladder 11 and to monitor the current pressure value in real time to prevent the risk of overcharging. Furthermore, in some embodiments, the pressure regulator 34 can be connected to an electronic control system to achieve automated pressure monitoring and regulation, further improving the ease of operation and therapeutic effect of the device.

[0037] Furthermore, such as Figure 1 As shown, according to a composite airway management device of the present invention, the first cuff 11 is constructed as a symmetrical two-lobed cuff structure; at least two pressure regulators 34 are connected to the cuff structures on both sides of the first cuff 11, respectively, for independently adjusting the pressure inside the two-lobed cuff structure. Specifically, each cuff structure is connected to the corresponding pressure regulator 34 through an independent pressure regulating channel, allowing the operator to control the expansion degree of the left and right cuffs according to the specific anatomical morphology of the patient's pharynx. This design of independent bilateral adjustment not only improves the fit between the first cuff 11 and the patient's pharyngeal tissue, but also effectively addresses airway asymmetry caused by individual differences or pathological changes, thereby enhancing sealing performance and reducing the risk of air leakage. For example, in the case of swelling of the tissue next to the vocal cords on one side or anatomical displacement, more uniform support and sealing can be achieved by increasing the pressure of the cuff on the opposite side, avoiding excessive pressure on sensitive areas. In addition, the dual pressure regulation system can also be used for dynamic adjustments during surgery, such as appropriately reducing the pressure during the anesthesia maintenance phase to reduce the risk of mucosal pressure damage, and rapidly increasing the pressure when ventilation demand increases to ensure airway stability.

[0038] To further enhance safety and ease of use, the pressure regulating system can also be equipped with a linkage control module, allowing manual or automatic switching to synchronous adjustment mode to maintain consistent pressure levels on both cuffs, suitable for most standard intubation scenarios. Simultaneously, the system can integrate pressure sensors and alarm devices to monitor pressure changes on each cuff in real time and issue alerts when pressure exceeds preset ranges, preventing local ischemia or tissue damage caused by excessive or unbalanced pressure.

[0039] In existing technologies, airway management devices such as laryngeal masks and endotracheal intubations typically rely on indirect monitoring of anesthesia machine circuit pressure. This cannot directly reflect the actual pressure state of the supraglottic region and pharyngeal mucosa, or the contact surface between the intubation tube and the airway mucosa. Furthermore, it cannot reflect the airflow velocity and pressure within the pharynx and airway. These existing monitoring methods have significant limitations, making it difficult to accurately determine the pressure level exerted by the cuff on surrounding tissues in clinical practice, thus increasing the risk of complications caused by cuff overinflation. Studies have shown that due to the lack of a precise pressure feedback mechanism, the incidence of injury caused by cuff overinflation is as high as 18%. More seriously, traditional devices cannot provide real-time warnings of mucosal compression ischemia caused by excessive pressure, which may further lead to pharyngeal edema, laryngeal edema, and ischemic damage to the tracheal wall. Increased pressure within the pharynx may cause gastric distension, and abnormally high airway pressure may induce life-threatening complications such as pneumothorax. Overall, the incidence of complications related to existing airway management devices can be as high as 22%, seriously affecting patient safety and prognosis.

[0040] like Figure 2 and Figure 3 As shown, according to a composite airway management device of the present invention, a first cuff 11 is provided with a first pressure sensor 12; multiple first pressure sensors 12 are evenly distributed in an array on the surface of the first cuff 11 facing away from the end opening of the main tube 10, for detecting the pressure state between the first cuff 11 and the pharynx under pressure from the base of the tongue. These first pressure sensors 12 can sense the contact pressure between the first cuff 11 and the pharyngeal tissue in real time and feed the pressure data back to external monitoring equipment or controller, thereby achieving accurate monitoring of the pressure in the supraglottic region. Through this structural design, local tissue compression damage caused by over-inflation of the cuff can be effectively avoided, improving patient safety and comfort.

[0041] Furthermore, according to a composite airway management device of the present invention, a second pressure sensor 31 is provided at the end of the second movable tube 30; multiple second pressure sensors 31 are evenly arranged around the end of the second movable tube 30 to detect the tracheal mucosal contact pressure and airway airflow pressure in the third management state, and the pharyngeal mucosal contact pressure and surrounding airflow pressure in the second and fourth management states. When the second movable tube 30 is inserted into the trachea and enters the working state, the second pressure sensor 31 can directly sense the contact pressure between the tracheal wall and the outer wall of the tube at the insertion site, thereby determining whether there is a risk of local ischemia due to excessive pressure applied by the cuff or tube. By monitoring the pressure changes in this area in real time, early warning can be given before irreversible damage occurs, and the tube position or cuff pressure can be adjusted, significantly reducing the incidence of airway complications.

[0042] Furthermore, according to a composite airway management device of the present invention, the second movable tube 30 is provided with a second sleeve 32, the second sleeve 32 being adjacent to the end of the second movable tube 30 along its length; a plurality of third pressure sensors 33 are provided on the surface of the second sleeve 32 for detecting the pressure of the tracheal mucosa sidewall; the second sleeve 32 has a contracted state that conforms to the second movable tube 30 and an expanded state with a diameter larger than the second movable tube 30; in the third management state, the second sleeve 32 expands to contact the tracheal mucosa sidewall, and the third pressure sensors 33 on its surface are used to detect the pressure of the tracheal mucosa sidewall. Specifically, the second sleeve 32 plays a key role in sealing the trachea and preventing air leakage in the third management state. When the second movable tube 30 is inserted into the trachea, the second sleeve 32 expands from the contracted state to a diameter larger than the outer diameter of the second movable tube 30, thereby conforming to the inner wall of the trachea and achieving effective ventilation and sealing. During this process, multiple third pressure sensors 33 integrated on its surface can be used to monitor the contact pressure between the second bag 32 and the tracheal wall in real time. This is particularly useful for assessing the risk of local ischemia due to excessive pressure after intubation, and helps to intervene before irreversible tissue damage occurs.

[0043] The device preferably also includes a pressure regulator 34 connected to the second cuff 32 for precise pressure adjustment within the second cuff 32. Through components such as a manual pump, pressure gauge, and one-way valve, the operator can adjust the pressure level of the second cuff 32 according to clinical needs, ensuring both effective airway sealing and avoiding unnecessary pressure damage to the tracheal mucosa. Furthermore, in some embodiments, the pressure regulator 34 can be connected to an electronic control system to achieve automated pressure monitoring and adjustment, further improving the ease of operation and therapeutic effect of the device.

[0044] Furthermore, according to the present invention, a composite respiratory management device preferably includes a communication module electrically connected to the first pressure sensor 12, the second pressure sensor 31, and the third pressure sensor 33, respectively. Preferably, each group of sensors of the same type shares one communication module; for example, all first pressure sensors 12 are connected to one communication module as a signal group, all second pressure sensors 31 are connected to another communication module as a signal group, and so on. Each communication module is configured to receive and process data signals from multiple sensors, integrate them, and transmit them to an external monitoring device or a central controller to achieve real-time pressure monitoring and intelligent adjustment.

[0045] The communication module is preferably located at the proximal end of the main tube 10 or the first movable tube 20 (i.e., the end furthest from the patient) to facilitate connection to external devices without affecting the overall clinical operability of the device. The communication module possesses excellent waterproof, dustproof, and electromagnetic interference resistance properties, ensuring stable and accurate data transmission even in complex medical environments. Through a design combining multi-point pressure sensing and centralized communication, coupled with the precise pressure control function provided by the pressure regulator 34, this invention achieves dynamic monitoring of pressure throughout the entire process of the first cuff, the oropharyngeal ventilation path, and the endotracheal intubation site, significantly improving the safety and intelligence of airway management.

[0046] The present invention also provides a complex respiratory management system. The complex respiratory management system provided by the present invention will be described below, and the complex respiratory management system described below can be referred to in correspondence with the complex respiratory management device described above. The complex respiratory management system includes: a complex respiratory management device as described in the above embodiments; a controller connected to a first pressure sensor 12, a second pressure sensor 31, and a third pressure sensor 33 of the complex respiratory management device.

[0047] Specifically, the controller establishes a communication connection with the composite respiratory management device through a communication module located near the main body 10 or the first active tube 20, thereby enabling real-time reception and analysis of data collected by various sensors in the device.

[0048] The controller can integrate a signal processing module, a data display module, and an intelligent control algorithm. It can make a comprehensive judgment based on information such as the mucosal tissue pressure fed back by the first pressure sensor 12, the airflow pressure generated by the gas flowing through the trachea detected by the second pressure sensor 31, the tracheal sidewall pressure in contact with the cuff sensed by the third pressure sensor 33, and the positional change of the second cuff 32. When the pressure is abnormal, it can issue an early warning or even automatically adjust the cuff inflation volume to maintain airway sealing within a safe threshold range while avoiding tissue damage.

[0049] Preferably, the controller may also be equipped with an alarm module and a human-machine interface to display real-time pressure distribution maps, operational suggestions, and hazard warnings. Medical staff can set target pressure parameters via a touchscreen or buttons, and the system will dynamically adjust through a closed-loop feedback mechanism to achieve intelligent airway management.

[0050] In addition, the controller preferably supports wireless communication, which can be linked with anesthesia machines, ventilators or other monitoring equipment to enable multi-device collaborative work, further improving the safety and efficiency of emergency and intraoperative airway management.

[0051] Furthermore, according to a composite airway management system of the present invention, the controller includes a data analysis module. The data analysis module is configured to receive real-time pressure values ​​transmitted by a first pressure sensor 12, a second pressure sensor 31, and a third pressure sensor 33. When any real-time pressure value exceeds its safe pressure threshold, it triggers at least one of the following responses: adjusting the pressure within the first cuff 11 and / or the second cuff 32 via a pressure regulator 34; issuing an operational warning; or generating a visual pressure heatmap. Specifically, the data analysis module in the controller receives real-time data from the three pressure sensors and can intelligently judge and respond. Furthermore, the system preferably also generates a visual pressure heatmap, intuitively displaying the stress on various parts, assisting medical personnel in making more precise operational decisions, which not only improves the safety and efficiency of patient airway management but also reduces the risk of complications caused by excessive pressure.

[0052] The entire system intelligently combines dynamic pressure monitoring and visual feedback, and supports personalized pressure threshold settings to suit the needs of different patients, such as the elderly, children, or patients with special airway anatomy.

[0053] In the description of this specification, the references to terms such as "one embodiment," "some embodiments," "method," "specific method," or "some methods," etc., indicate that a specific feature, structure, material, or characteristic described in connection with that embodiment or method is included in at least one embodiment or method of the present invention. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or method. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or methods. Moreover, without contradiction, those skilled in the art can combine and integrate the different embodiments or methods described in this specification, as well as the features of different embodiments or methods.

[0054] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention, and not to limit them; although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some of the technical features; and these modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims

1. A composite respiratory management device, characterized in that, include: The main body (10) has a first set of pouches (11) adapted to the shape of the human throat on the outer periphery of its end opening. The first movable tube (20) is nested inside the main tube (10) along the length direction of the main tube (10); The second movable tube (30) is slidably disposed within the first movable tube (20); The head ends of the main body (10), the first movable tube (20) and the second movable tube (30) are detachably connected to a quick-connect connector (35) for connecting to a ventilator.

2. The composite respiratory management device according to claim 1, characterized in that, Includes a dental pad structure for bearing the bite of teeth (21); The dental pad structure (21) is detachably connected to the head end of the main body (10), the first movable tube (20) and the second movable tube (30), and the quick-connect connector (35) is disposed on the dental pad structure (21).

3. The composite respiratory management device according to claim 1, characterized in that, A snap-fit ​​structure (22) is provided between the inner surface of the main tube (10) and the outer surface of the first movable tube (20). A quick-release button (36) is also provided on the quick-connect connector (35) for quickly unlocking the snap-fit ​​structure (22) so that the main tube (10) and the first sleeve (11) are separated from the first movable tube (20). The snap-fit ​​structure (22) includes: A limiting groove is provided on one of the inner surface of the main tube (10) and the outer surface of the first movable tube (20); A limiting buckle is provided on the other of the inner surface of the main body (10) and the outer surface of the first movable tube (20).

4. The composite airway management device according to any one of claims 1 to 3, characterized in that, The main body (10) is equipped with a voltage regulator (34); The first sleeve (11) is made of elastic material. The pressure inside the first sleeve (11) can be adjusted by the pressure regulator (34) to control the expansion or contraction of the first sleeve (11).

5. The composite respiratory management device according to claim 4, characterized in that, The first sheath (11) is constructed as a two-lobed sheath structure with left and right symmetry; The number of pressure regulators (34) is at least two, which are respectively connected to the two sides of the first sleeve (11) sleeve structure and are used to independently adjust the pressure inside the two-lobed sleeve structure.

6. The composite respiratory management device according to claim 5, characterized in that, The first bladder (11) is equipped with a first pressure sensor (12); Multiple first pressure sensors (12) are evenly distributed in an array on the surface of the first sheath (11) facing away from the end opening of the main body (10) to detect the pressure state between the first sheath (11) and the pharynx under the pressure of the tongue root.

7. The composite respiratory management device according to claim 6, characterized in that, A second pressure sensor (31) is provided at the end of the second active tube (30); Multiple second pressure sensors (31) are evenly arranged around the end of the second active tube (30).

8. The composite respiratory management device according to claim 7, characterized in that, The second movable tube (30) is provided with a second sleeve (32), and the second sleeve (32) is adjacent to the end of the second movable tube (30) in the length direction of the second movable tube (30); The surface of the second set of bags (32) is provided with multiple third pressure sensors (33) for detecting the pressure of the tracheal mucosa sidewall; The second bladder (32) has a contracted state that fits the second active tube (30) and an expanded state with a diameter greater than that of the second active tube (30); The composite airway management device is also provided with a pressure regulator (34) connected to the second bag (32) for adjusting the pressure inside the second bag (32).

9. A composite respiratory management system, characterized in that, include: The composite respiratory management device as described in claim 8; The controller is connected to the first pressure sensor (12), the second pressure sensor (31) and the third pressure sensor (33) of the composite airway management device.

10. The composite respiratory management system according to claim 9, characterized in that, The controller includes a data analysis module; The data analysis module is configured to receive real-time pressure values ​​sent by the first pressure sensor (12), the second pressure sensor (31), and the third pressure sensor (33), and to trigger at least one of the following responses when any of the real-time pressure values ​​exceeds its safe pressure threshold: The pressure inside the first bladder (11) and / or the second bladder (32) is adjusted by a pressure regulator; Issue an operation alert; Generate a visual pressure heatmap.

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