Air pressure communication device and esophageal pressure monitoring device
By designing a pneumatic pressure communication device and an esophageal pressure monitoring device, the problems of complex structure and high cost of existing devices are solved, flexible esophageal pressure simulation is achieved, and the effect of mechanical ventilation treatment is improved.
Patent Information
- Application Number
- CN202421900775.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-08-06
- Publication Date
- 2025-07-25
- Estimated Expiration
- 2034-08-06
AI Technical Summary
The existing esophageal compression simulation devices are complex in structure, expensive and cannot be adjusted according to the breathing rhythm, which affects the effectiveness of mechanical ventilation treatment.
A pneumatic pressure communication device is designed, including a tank body and a cover, and multiple joints and interfaces are provided. Combined with a skin and a ventilator, it simulates the human chest cavity environment, and connects different devices through different joints to adjust the pneumatic state, achieving simple and flexible esophageal pressure monitoring.
It realizes a simple structure and low-cost esophageal compression simulation, which can be adjusted according to the breathing rhythm, improving the synchronization and safety of mechanical ventilation treatment.
Smart Images
Figure CN223143906U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the technical field of medical equipment, and particularly relates to a pneumatic connection device and an esophageal pressure monitoring device. Background Art
[0002] Mechanical ventilation has always been one of the most important treatments for saving patients with diseases such as adult ARDS. However, the related lung injury caused by mechanical ventilation is a serious clinical problem affecting the prognosis of patients. If this important treatment method of mechanical ventilation is used improperly, it can cause or exacerbate lung injury. Therefore, when performing mechanical ventilation on patients, it is necessary to consider lung compliance to avoid damaging the lungs.
[0003] Lung compliance refers to the change in lung volume caused by a unit change in pressure, which represents the impact of the change in thoracic pressure on lung volume. Since the thoracic cavity is airtight, it is difficult to measure the intrathoracic pressure. The change in intrathoracic pressure is similar to the esophageal pressure. Therefore, by measuring the esophageal pressure, the intrathoracic pressure can be obtained. Thus, during the research and development process of ventilators, it is necessary to simulate the esophageal pressure to better adjust the corresponding parameters or structures of the ventilator to improve the synchronization between the patient and the ventilator.
[0004] Currently, the simulation of esophageal pressure is easily affected by various factors. The device for simulating esophageal pressure has a complex structure, high cost, or can only be simply adjusted and cannot be adjusted according to the breathing rhythm. Summary of the Utility Model
[0005] The embodiments of the utility model provide a pneumatic connection device and an esophageal pressure monitoring device, aiming to solve the problems of the existing device for simulating esophageal pressure, such as complex structure, high cost, and inability to adjust according to the breathing rhythm.
[0006] The embodiments of the utility model are implemented as follows. A pneumatic connection device includes:
[0007] A tank body and a cover provided on the tank body;
[0008] Four openings communicating the inside and outside of the tank are respectively provided on the cover. First joints, second joints, third joints, and fourth joints facing the outside of the tank are provided on the four openings. Fifth joints and sixth joints facing the inner cavity of the tank are provided on two of the openings. Among them, the second joint and the fifth joint are communicated, and the third joint and the sixth joint are communicated.
[0009] Optionally, both the first joint and the second joint are quick-connect joints.
[0010] Optionally, the third joint, the fourth joint, the fifth joint, and the sixth joint are tapered joints.
[0011] Optionally, the tank body and the cover are detachably connected through a fastening structure.
[0012] Optionally, a sealing structure is provided between the tank body and the cover.
[0013] An embodiment of the present invention further provides an esophageal pressure monitoring device, including the above-mentioned air pressure connection device, two air bags and a first ventilator. The two air bags are respectively connected to the fifth joint and the sixth joint, the third joint is connected to the ventilator, and the first joint and the fourth joint are respectively connected to plugs.
[0014] Optionally, the esophageal pressure monitoring device further includes a second ventilator, and the second ventilator is communicated with the second joint.
[0015] An embodiment of the present invention further provides an esophageal pressure monitoring device, including the above-mentioned air pressure connection device and two air bags. The air bags are respectively connected to the fourth joint and the sixth joint, the third joint is connected to the ventilator, and the first joint and the second joint are respectively connected to plugs.
[0016] An embodiment of the present invention further provides an esophageal pressure monitoring device, including the above-mentioned air pressure connection device, an air bag, a ventilator and a pressure tooling. The air bag is connected to the sixth joint, the first joint is connected to the pressure tooling, the third joint is connected to the ventilator, and the second joint and the fourth joint are respectively connected to plugs.
[0017] The beneficial effects achieved by the present utility model are that the tank body divides the inside and outside of the tank body into two spaces. The tank body simulates the human chest cavity, and the inside of the tank body simulates the internal environment of the human chest cavity. The first joint, the second joint, the third joint, the fourth joint, the fifth joint and the sixth joint can be respectively connected to different devices or apparatuses to simulate the air pressure state in the chest cavity. The structure is simple and convenient for observation. Description of the Drawings
[0018] Figure 1 is the air pressure connection device provided by an embodiment of the present utility model;
[0019] Figure 2 is the esophageal pressure monitoring device provided by the second embodiment of the present utility model;
[0020] Figure 3 is the esophageal pressure monitoring device provided by the third embodiment of the present utility model;
[0021] Figure 4 is the esophageal pressure monitoring device provided by the fourth embodiment of the present utility model;
[0022] Figure 5 is the esophageal pressure monitoring device provided by the fifth embodiment of the present utility model.
[0023] Description of the Reference Numerals:
[0024] 100. Pneumatic connection device; 101. Tank body; 102. Cover; 103. First joint; 104. Second joint; 105. Third joint; 106. Fourth joint; 107. Fifth joint; 108. Sixth joint;
[0025] 201. First leather bag; 202. Second leather bag; 203. Third leather bag; 204. Fourth leather bag;
[0026] 301. First ventilator; 302. Second ventilator; 303. Pressure tooling. Detailed implementation manner
[0027] In order to make the objectives, technical solutions and advantages of the present utility model clearer and more understandable, the present utility model will be further described in detail below with reference to the accompanying drawings and embodiments. The examples of the embodiments are shown in the accompanying drawings, where the same or similar reference numerals represent the same or similar elements or elements with the same or similar functions from beginning to end. The embodiments described below by referring to the accompanying drawings are exemplary and are only used to explain the present utility model and cannot be understood as a limitation to the present utility model. In addition, it should be understood that the specific embodiments described herein are only used to explain the present utility model and are not used to limit the present utility model.
[0028] In addition, the terms "first" and "second" are only used for descriptive purposes and cannot be understood as indicating or implying relative importance or implicitly specifying the quantity of the indicated technical features. Thus, the features defined with "first" and "second" may explicitly or implicitly include one or more of the said features. In the description of the present utility model, "a plurality of" means two or more, unless otherwise specifically defined.
[0029] In the description of the present utility model, it should be noted that unless otherwise clearly specified and defined, the terms "installed", "connected" and "connected" should be understood in a broad sense. For example, it may be a fixed connection, a detachable connection or an integral connection; it may be a mechanical connection, an electrical connection or a communication with each other; it may be directly connected or indirectly connected through an intermediate medium, and it may be the communication inside two elements or the interaction relationship between two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.
[0030] The following disclosure provides many different embodiments or examples for implementing different structures of the present utility model. To simplify the disclosure of the present utility model, the components and settings of specific examples are described below. Of course, they are only examples and are not intended to limit the present utility model. In addition, the present utility model may repeat reference numerals and / or reference letters in different examples. This repetition is for the purpose of simplification and clarity and does not itself indicate the relationship between the various embodiments and / or settings discussed. In addition, the present utility model provides examples of various specific processes and materials, but those of ordinary skill in the art can be aware of the application of other processes and / or the use of other materials.
[0031] In the present invention, the tank body divides the inside and outside of the tank body into two spaces. The tank body simulates the human chest cavity, and the inside of the tank body simulates the internal environment of the human chest cavity. The first joint, the second joint, the third joint, the fourth joint, the fifth joint and the sixth joint can be respectively connected to different devices or apparatuses to simulate the air pressure state in the chest cavity. The structure is simple and convenient for observation.
[0032] Embodiment 1
[0033] As Figure 1 shown, this embodiment provides a pneumatic connection device 100, including:
[0034] a tank body 101 and a cover 102 provided on the tank body 101;
[0035] Four openings communicating the inside and outside of the tank body 101 are respectively provided on the cover 102. A first joint 103, a second joint 104, a third joint 105 and a fourth joint 106 facing outside the tank body 101 are provided on the four openings, and a fifth joint 107 and a sixth joint 108 facing the inner cavity of the tank body 101 are provided on the two openings. Among them, the second joint 104 and the fifth joint 107 are communicated, and the third joint 105 and the sixth joint 108 are communicated.
[0036] The tank body 101 divides the inside and outside of the tank body 101 into two spaces. The tank body 101 simulates the human chest cavity, and the inside of the tank body 101 simulates the internal environment of the human chest cavity. The first joint 103, the second joint 104, the third joint 105, the fourth joint 106, the fifth joint 107 and the sixth joint 108 can be respectively connected to different devices or apparatuses to simulate the air pressure state in the chest cavity. The structure is simple and convenient for observation.
[0037] In one embodiment, both the first joint 103 and the second joint 104 are quick-connect joints. It is convenient to connect to external devices.
[0038] In yet another embodiment, the third joint 105, the fourth joint 106, the fifth joint 107, and the sixth joint 108 are tapered joints. The tapered joints have good airtight connection and are not prone to air leakage.
[0039] In another embodiment, the tank body 101 and the cover 102 are detachably connected by a fastening structure, which facilitates the connection of the fifth joint 107 and the sixth joint 108 provided in the tank body 101.
[0040] In one embodiment, a sealing structure is provided between the tank body 101 and the cover 102 to ensure the airtightness of the tank body 101 and prevent air leakage from the tank body 101.
[0041] Embodiment 2
[0042] As Figure 2 shown, an esophageal pressure monitoring device, characterized in that it includes the air pressure connection device 100 of Embodiment 1, two air bags, and a first ventilator 301. The fifth joint 107 and the sixth joint 108 are respectively connected to the air bags, the third joint 105 is connected to the first ventilator 301, and the first joint 103 and the fourth joint 106 are respectively connected to the plugs.
[0043] The air bags are sac-shaped and made of a material with a certain elasticity. When inflated, the air bags expand; when deflated, the air bags contract; when subjected to external pressure, the air bags are indented and deformed.
[0044] The first joint 103 and the fourth joint 106 are respectively connected to the plugs to avoid gas exchange with the outside world, so as to ensure the airtightness inside the tank body 101 and better simulate the thoracic cavity environment.
[0045] The two air bags are respectively a first air bag 201 and a second air bag 202. The first air bag 201 is connected to the sixth joint 108, and the third joint 105 communicating with the sixth joint 108 is connected to the first ventilator 301. That is, the first air bag 201 is communicated with the first ventilator 301 through the sixth joint 108 and the third joint 105. When the first ventilator 301 exhales, the first air bag 201 expands; when the first ventilator 301 inhales, the first air bag 201 contracts.
[0046] The second joint 104 is connected to the outside world, and the air pressure in the second leather bag 202 is consistent with the outside atmospheric pressure. The first ventilator 301 is turned on. When the first ventilator 301 exhales, the first leather bag 201 expands. Since the tank body 101 is isolated from the outside world, the expanded first leather bag 201 squeezes the original gas in the tank body 101, so that the air pressure in the tank body 101 increases. When the air pressure in the tank body 101 is greater than the outside atmospheric pressure, the gas in the tank body 101 squeezes the outer wall of the second leather bag 202, so that the second leather bag 202 shrinks and deforms. When the first ventilator 301 inhales, the first leather bag 201 shrinks, and the shrinking first leather bag 201 squeezes less gas in the tank body 101, so that the air pressure in the tank body 101 decreases. When the air pressure in the tank body 101 is less than the outside atmospheric pressure, the second leather bag 202 expands.
[0047] In this embodiment, the tank body 101 simulates the human chest cavity, the first bag 201 simulates the human lungs, and expands and contracts following the connected first ventilator 301, while the second bag 202 contracts or expands accordingly. The two bag lungs expand or contract in opposite directions, thereby simulating the compression of the chest cavity on the lungs during human breathing, making it easier to observe the corresponding breathing process.
[0048] Embodiment 3
[0049] like Figure 3 As shown, based on the second embodiment, it further includes a second ventilator 302 , and the second ventilator 302 is connected to the second connector 104 .
[0050] The second joint 104 is connected to the ventilator, and the second leather bag 202 is connected to the ventilator through the fifth joint 107 and the second joint 104. The air pressure and frequency in the second leather bag 202 are adjusted by the second ventilator 302. When the volume of the first leather bag 201 remains unchanged, the air pressure of the second leather bag 202 is proportional to the volume of the second leather bag 202, and the volume of the second leather bag 202 is proportional to the air pressure in the tank body 101. The larger the volume of the second leather bag 202, the greater the compression of the gas in the tank body 101, and the greater the air pressure in the tank body 101. The smaller the volume of the second leather bag 202, the smaller the compression of the gas in the tank body 101, and the smaller the air pressure in the tank body 101. The air pressure in the second leather bag 202 can be adjusted by the connected air pressure device, and then the air pressure in the tank body 101 can be adjusted.
[0051] Turn on the first ventilator 301. When the ventilator exhales, the first bellows 201 expands. Since the tank body 101 is isolated from the outside world, the expanding first bellows 201 squeezes the original gas inside the tank body 101, increasing the air pressure inside the tank body 101. When the air pressure inside the tank body 101 is greater than the air pressure provided by the second ventilator 302 to the second bellows 202, the gas inside the tank body 101 squeezes the outer wall of the second bellows 202, causing the second bellows 202 to contract and deform.
[0052] In this embodiment, the contraction or expansion directions of the first bellows 201 and the second bellows 202 are opposite. The air pressure parameters inside the tank body 101 can be indirectly adjusted by adjusting the air pressure and frequency of the second ventilator 302 to adapt to tests with different parameter requirements, so as to more directly simulate the squeezing of the lungs by the thoracic cavity during human breathing.
[0053] Embodiment 4
[0054] As Figure 4 shown, this embodiment provides an esophageal pressure monitoring device, including the air pressure connection device 100 of Embodiment 1, two bellows. Bellows are respectively connected to the fourth joint 106 and the sixth joint 108, the third joint 105 is connected to the ventilator, and the first joint 103 and the second joint 104 are respectively connected to plugs.
[0055] The first joint 103 and the second joint 104 are respectively connected to plugs to avoid gas exchange with the outside world, so as to ensure the airtightness inside the tank body 101 and better simulate the environment of the thoracic cavity.
[0056] The two bellows are respectively the third bellows 203 and the fourth bellows 204. The fourth bellows 204 is connected to the sixth joint 108, and the third joint 105 communicating with the sixth joint 108 is connected to the first ventilator 301, that is, the fourth bellows 204 is communicated with the first ventilator 301 through the sixth joint 108 and the third joint 105. When the first ventilator 301 exhales, the fourth bellows 204 expands, and when the first ventilator 301 inhales, the fourth bellows 204 contracts.
[0057] The third bladder 203 is connected to the fourth joint 106, the inner cavity of the third bladder 203 is connected to the tank body 101, and the outer wall of the third bladder 203 is in contact with the external environment. When the fourth bladder 204 expands, it squeezes the gas in the tank body 101, so that the air pressure in the tank body 101 increases. Since the third bladder 203 is connected to the tank body 101, the air pressure in the tank body 101 increases, the air pressure in the inner cavity of the third bladder 203 increases, and the third bladder 203 expands. When the fourth bladder 204 shrinks, the space occupied by the gas in the tank body 101 becomes larger, so that the air pressure in the tank body 101 decreases. Since the third bladder 203 is connected to the tank body 101, the air pressure in the tank body 101 decreases, the air pressure in the inner cavity of the third bladder 203 decreases, and the third bladder 203 shrinks.
[0058] In this embodiment, the tank body 101 simulates the human chest cavity, and the fourth bladder 204 simulates the human lungs, which expand and contract with the connected ventilator, simulating the compression of the lungs by the chest cavity during human breathing, which is convenient for observing the corresponding breathing process. The third bladder 203 is arranged outside the tank body 101, and has the same expansion and contraction direction as the fourth bladder 204, which is more convenient for observation.
[0059] Embodiment 5
[0060] like Figure 5 As shown, this embodiment provides an esophageal pressure monitoring device, characterized in that it includes the air pressure connecting device 100, a bag, a ventilator and a pressure tooling 303 of the first embodiment, the sixth connector 108 is connected to the bag, the first connector 103 is connected to the pressure tooling 303, the third connector 105 is connected to the ventilator, and the second connector 104 and the fourth connector 106 are respectively connected to the plug.
[0061] The pressure tool 303 in this embodiment is a device for adjusting pressure, and specifically can be a common pressure supply device such as a pressure pump and a press.
[0062] The second joint 104 and the fourth joint 106 are connected to plugs respectively to avoid gas exchange with the outside, so as to ensure the airtightness of the inside of the tank body 101 and better simulate the environment of the chest cavity.
[0063] The first joint 103 is connected to the pressure fixture 303 , so that the pressure fixture 303 is communicated with the inner cavity of the tank body 101 , and the pressure in the tank body 101 is adjusted by the pressure fixture 303 .
[0064] The sixth joint 108 is connected to a leather bag, and the third joint 105 connected to the sixth joint 108 is connected to the first ventilator 301, that is, the leather bag is connected to the first ventilator 301 through the sixth joint 108 and the third joint 105. When the first ventilator 301 exhales, the leather bag expands, and when the first ventilator 301 inhales, the leather bag contracts. Specifically, the connected leather bag is the first leather bag 201.
[0065] In this embodiment, the pressure in the tank body 101 can be adjusted by the pressure tooling 303, so as to simulate the influence of different compliances of the human body on breathing.
[0066] It can be understood that those skilled in the art can, under the guidance of the above embodiments, combine various implementation manners in the above various embodiments to obtain technical solutions of various implementation manners.
[0067] The above are only the preferred embodiments of the present utility model and are not intended to limit the present utility model. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present utility model shall be included within the protection scope of the present utility model.
Claims
1. A pneumatic connection device, characterized in that, Comprising: A tank body and a cover arranged on the tank body; Four openings communicating the inside and outside of the tank are respectively arranged on the cover, and first joints, second joints, third joints and fourth joints facing the outside of the tank are arranged on the four openings, and fifth joints and sixth joints facing the inner cavity of the tank are arranged on two of the openings. Among them, the second joint and the fifth joint are communicated, and the third joint and the sixth joint are communicated.
2. The air pressure connection device according to claim 1, characterized in that, Both the first joint and the second joint are quick-connect joints.
3. The air pressure connection device according to claim 1 or 2, characterized in that, The third joint, the fourth joint, the fifth joint and the sixth joint are tapered joints.
4. The air pressure connection device according to claim 1, wherein, The tank body and the cover are detachably connected through a fastening structure.
5. The air pressure connection device according to claim 1, characterized in that A sealing structure is arranged between the tank body and the cover.
6. An esophageal pressure monitoring device, characterized in that, Comprising the air pressure connection device according to any one of claims 1 to 5, two air bags and a first ventilator, two of the air bags are respectively connected to the fifth joint and the sixth joint, the third joint is connected to the ventilator, and the first joint and the fourth joint are respectively connected to plugs.
7. The esophageal pressure monitoring device according to claim 6, characterized in that, It further comprises a second ventilator, and the second ventilator is communicated with the second joint.
8. An esophageal pressure monitoring device, characterized in that, Comprising the air pressure connection device according to any one of claims 1 to 5, two air bags, the air bags are respectively connected to the fourth joint and the sixth joint, the third joint is connected to the ventilator, and the first joint and the second joint are respectively connected to plugs.
9. An esophageal pressure monitoring device, characterized in that, Comprising the air pressure connection device according to any one of claims 1 to 5, an air bag, a ventilator and a pressure tooling, the air bag is connected to the sixth joint, the first joint is connected to the pressure tooling, the third joint is connected to the ventilator, and the second joint and the fourth joint are respectively connected to plugs.