WO2018041076A1

WO2018041076A1 - Cuff pressure management device

Info

Publication number: WO2018041076A1
Application number: PCT/CN2017/099339
Authority: WO
Inventors: 王书鹏; 李小苗; 钱兆琛; 李小雪
Original assignee: 北京雅果科技有限公司
Priority date: 2016-08-31
Filing date: 2017-08-28
Publication date: 2018-03-08
Also published as: CN106237474B; CN106237474A

Abstract

A cuff pressure management device comprises a cuff port (1) in communication with an inflation port (2) by means of a connection tube (10). The inflation port (2) is connected to an inflation device so as to be able to open or close. The cuff port (1) is connected to a cuff inflation valve so as to be able to open or close. A pressure monitoring module is provided at the connection tube (10).

Description

Airbag pressure management device

Technical field

The present invention relates to the field of medical devices, and in particular to an airbag pressure management device.

Background technique

Invasive mechanical ventilation, the role of the balloon of the tracheal intubation (oral intubation and gas intubation) includes fixing the position of the tracheal intubation, sealing the airway, preventing air leaks and aspiration. The ideal intracavity pressure is required to block the air leak between the tracheal intubation and the airway without affecting the blood circulation of the tracheal mucosa. Therefore, reasonable airbag pressure management plays a very important role in clinical nursing.

Clinically, in order to ensure that the balloon pressure is maintained within a reasonable range, it is common practice to perform a balloon pressure test every 4 hours. When the pressure is less than the lower limit of the reasonable pressure value, the charging operation is performed.

At present, the methods of pressure detection mainly include: finger pinch sensing method, air bag pressure detecting table, and sphygmomanometer measuring air bag pressure. The finger pinch method relies too much on the personal operation feeling, cannot quantify the operation, and is prone to undervoltage or overvoltage. The sphygmomanometer has problems with inconvenience. Special airbag pressure gauges are receiving more and more attention. However, the current pressure gauges, such as the German VBM, mainly use the dial-type hand-held airbag. The disadvantage is that the airbag leaks easily during the detection and disconnection, and the device is bulky and cannot provide real-time detection.

Summary of the invention

(1) Technical problems to be solved

The invention is to solve the technical problem that the pressure adjustment of the existing invasive mechanical ventilation airbag is not standardized, inconvenient, and the adjustment process is easy to leak.

(2) Technical plan

In order to solve the above technical problem, the present invention provides an airbag pressure management device including an airbag interface and an inflation interface that are connected through a connecting tube; the inflation interface is openably and closably coupled to an inflator, the airbag interface and the airbag inflation valve An openable and closeable connection is provided; the connection tube is provided with a pressure monitoring module.

Preferably, the connecting pipe is further provided with a vent valve.

Preferably, a controller is further included, and the controller is connected to the pressure monitoring module for controlling opening and closing of the pressure monitoring module.

Preferably, the method further includes a display module, the display module is connected to the controller, and is configured to display the pressure monitor Test the pressure value monitored by the module.

Preferably, the method further includes a power module, and the power module is connected to the controller for supplying power to the controller and the pressure monitoring module.

Preferably, the power monitoring module is further configured to be connected to the power module for monitoring a remaining power of the power module.

Preferably, the air bag intake valve includes a first valve body and a first valve core inserted in an intake end of the first valve body, and an outer wall of the first valve core extends circumferentially with a first An annular boss having a second annular boss extending circumferentially from the inner wall of the first valve body, the second annular boss being pulled out from the intake end of the first valve body at the first valve body a direction matching with the first annular boss, and a first sealing ring between the first annular boss and the second annular boss; the first valve core and the a first spring is connected between the first valve body, and the first spring is configured to form an elastic force in a direction in which the first valve core is pulled out with respect to an intake end of the first valve body, Forming a seal between the first annular boss and the second annular boss;

The airbag interface includes a sleeve with a top rod and an exhaust end communicating with an intake end of the first valve core; one end of the top rod is slidingly sealed and inserted at an intake end of the sleeve, the top An inner portion of the rod is axially disposed through the air passage, and one end of the connecting tube is sealingly inserted into the air passage.

Preferably, the utility model further comprises a fixing sleeve sleeved outside the sleeve and the ejector rod, one end of the fixing sleeve is connected with the sleeve, and the other end of the fixing sleeve is connected with the first valve body.

Preferably, the exhaust end of the sleeve is inserted into the intake end of the first valve body and is connected with an interference fit of the intake end of the first valve body; the sleeve is not inserted into a first sliding slot and a second sliding slot opening to the air passage are formed on an outer wall of the sleeve, the first sliding slot extending along an axial direction of the sleeve; In the direction in which the sleeve is inserted, the second sliding slot extends along the circumferential direction of the sleeve and communicates with the front end of the first sliding slot; a protruding rod is radially extended on the outer wall of the protruding rod. The protruding rod is slidably disposed in the first sliding slot and the second sliding slot.

Preferably, a third sealing ring is disposed between the jack and the sleeve.

Preferably, the ejector pin is provided with a rotating handle.

Preferably, the exhaust end of the sleeve is connected to an inner wall of the intake end of the first valve body and is in an interference fit connection with the intake end of the first valve body.

The air inlet end of the jack is provided with an annular plug portion, and the annular plug portion has a second annular gap between the outer wall of the jack and the annular plug portion is inserted in the first In the annular gap.

Preferably, a rubber layer is disposed on an inner wall of the exhaust end of the sleeve, and an exhaust end of the sleeve forms an interference fit connection with an intake end of the first valve body through the rubber layer.

Preferably, the annular plug is connected or bonded to the sleeve by an interference fit.

Preferably, the inflation port includes a second valve body and a second valve core inserted in the intake end of the second valve body, and an outer wall of the second valve core is circumferentially extended with a third annular convex a fourth annular boss extending circumferentially from the inner wall of the second valve body, the third annular boss being in a direction in which the second valve core is pulled out from the intake end of the second valve body Forming a limit fit with the fourth annular boss, and providing a second seal ring between the third annular boss and the fourth annular boss; the second spool and the first a second spring is connected between the two valve bodies, and the second spring is configured to form an elastic force in the direction in which the second valve core is pulled out with respect to the intake end of the second valve body, so as to The second sealing ring forms a seal between the third annular boss and the fourth annular boss;

The air inlet end of the second valve body is provided with a sealing sleeve, the sealing sleeve has a constricting portion, and the constricting portion is an annular structure extending inward from an intake end of the second valve body, and The neck portion has elasticity;

The exhaust end of the second valve body communicates with a corresponding end of the connecting tube.

Preferably, the second valve core is provided with a first three-dimensional network structure near one end of the intake end of the second valve body.

Preferably, the utility model further comprises a manual inflation assembly; the inflatable assembly comprises an elastically expandable manual airbag, wherein the manual airbag is provided with an intake check valve for intake air and an exhaust check valve for exhausting, The exhaust check valve is detachably connected to the inflation port.

(3) Beneficial effects

The invention provides an airbag pressure management device, which communicates a connecting pipe between an inflator device and an air bag inflation valve, and makes both ends of the connecting pipe pass through an openable and closeable airbag interface and an inflation valve interface and an airbag inflation valve. The airbag interface is connected to the airbag, and the pressure monitoring module is further disposed on the connecting pipe. Since the airbag interface and the airing interface of the device can be opened and closed in a state of being connected with the airbag inflation valve and the inflator, the device can be used not only The pressure of the airbag can be monitored at any time and the air can be tempered at any time, and the sealing of the device can be ensured during the process of monitoring and cultivating, so that the monitoring process is simple and efficient, no gas leakage occurs, and the pressure monitoring module can adopt a pressure sensor or the like. Parts, monitoring results are more accurate and reliable.

DRAWINGS

The above and/or additional aspects and advantages of the present invention will become apparent and readily understood from

1 is a schematic view of an airbag pressure monitoring device according to a first embodiment of the present invention;

2 is a schematic view of an airbag interface according to Embodiment 1 of the present invention;

3 is a schematic view of a first slide and a second slide on a sleeve according to Embodiment 1 of the present invention;

4 is a schematic view showing the airbag inflation valve and the airbag interface connection according to the first embodiment of the present invention;

Figure 5 is a schematic view of an inflation port according to Embodiment 1 of the present invention;

Figure 6 is a schematic view of a manual inflation attachment according to a first embodiment of the present invention;

Figure 7 is a schematic view of an airbag interface according to a second embodiment of the present invention;

Figure 8 is a schematic view showing the airbag inflation valve and the airbag interface connection according to the second embodiment of the present invention;

Fig. 9 is a schematic view showing the interface of the airbag inflation valve and the airbag according to the third embodiment of the present invention.

Reference mark:

1, airbag interface; 10, connecting pipe; 11, casing; 111, rubber layer; 12, third sealing ring; 13, ram; 14, protruding rod; 15, first chute; 16, second chute ; 17, airway; 18, the second annular gap; 19, the first annular gap; 2, the inflation interface; 21, the plug; 22, the second valve body; 23, the second valve core; 24, the second Spring; 25, second three-dimensional network structure; 26, second sealing ring; 27, sealing sleeve; 271, necking portion; 28, first three-dimensional network structure; 291, third annular boss; Annular boss; 3, pressure monitoring device; 31, first valve core; 32, first valve body; 33, first spring; 34, first sealing ring; 35; fixed sleeve; 36, first annular boss; 37, the second annular boss; 4, the vent valve; 5, the controller; 6, the display module; 7, the power monitoring module; 8, the power module; 9, the button unit; 101, manual airbag; 102, exhaust one-way Valve; 103, intake check valve; the arrow in the figure is the intake direction.

detailed description

The specific embodiments of the present invention are further described in detail below with reference to the drawings and embodiments. The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention.

In the description of the present invention, it should be noted that the term "connecting" should be understood broadly, unless it is specifically defined and defined, for example, it may be a fixed connection, a detachable connection, or an integral connection; They are directly connected or indirectly connected through an intermediary. The specific meaning of the above terms in the present invention can be understood in a specific case by those skilled in the art.

As shown in FIG. 1 , an airbag pressure management device according to an embodiment of the present invention includes an airbag interface 1 and an inflation interface 2 that communicate with each other through a connecting tube 10; the inflation interface 2 and the inflator can be opened and closed and connected for use in The gas in the inflator is introduced into the connecting tube 10 in an open state, and is closed after the inflation is completed; the airbag interface 1 is openably and closably coupled with the airbag inflation valve for introducing the gas in the inflation tube in an open state. The air bag, in normal use, the air bag interface 1 can be in an open state or in a closed state.

In addition, the pressure monitoring module is further disposed on the connecting pipe 10, so that when the pressure of the airbag needs to be known, the airbag interface 1 can be opened and the inflation port 2 can be kept closed, and the gas in the connecting pipe 10 is The bladder is connected so that the pressure data of the bladder can be obtained by the pressure monitoring module on the connecting pipe 10. After the airbag pressure is known, if the airbag pressure is detected to be lower than the set value, the inflation port 2 can be opened, and the airbag is filled with gas through the inflator until the airbag pressure reaches the set pressure value and then the inflation port 2 is closed.

After a period of time, if it is necessary to know the pressure of the airbag again, the airbag interface 1 can be opened at any time. Since the airbag interface 1 and the inflation port 2 of the device can be opened and closed in a state of being connected with the airbag inflation valve and the inflator, the device can not only monitor the pressure and qi of the airbag at any time, but also monitor and In the process of qi, the sealing of the device can be ensured, the monitoring overload is simple and efficient, and no gas leakage occurs, and the pressure monitoring module can adopt components such as pressure sensors, and the monitoring result is more accurate and reliable.

In addition, the connecting pipe 10 is preferably further provided with a deflation valve 4, which can be integrated on the inflation port; in some cases, the pressure setting standard of the air bag may be reduced, or due to excessive inflation and the like. The airbag pressure is higher than the current set value. At this time, the gas in the airbag can be appropriately discharged through the air release valve 4, and the pressure monitoring device 3 performs pressure monitoring until the airbag pressure is detected to meet the current setting requirement. Close the drain valve 4 again.

The controller 5 and the display module 6 are further connected to the pressure monitoring module for controlling the opening and closing of the pressure monitoring module, specifically, the airbag interface 1 is normally opened, and then the controller is set every time. 5 control the pressure monitoring device 3 to open, perform a pressure monitoring, and then the display module 6 transmits the pressure information to the display for display; or monitor at any time, but the value can be displayed when the power is turned on, and the black screen is automatically standby after a period of time; The alarm unit can also be configured to alert the operator and perform pressurization or pressure relief operations when an alarm is abnormal and an alarm is issued by a warning light and/or an audible alarm. The controller 5 can also be equipped with a control button unit 9 for manual manipulation by an operator.

The device further includes a power module 8 connected to the controller 5 for supplying power to the controller 5 and the pressure monitoring module. The power module 8 is preferably further provided with a power monitoring module 7, a power monitoring module 7 and a power module 8. The connection is used to monitor the remaining power of the power module 8 so that the battery can be replaced in time to ensure normal operation of the device.

As shown in FIG. 4, the air bag intake valve includes a first valve body 32 and a first valve core 31 inserted in an intake end of the first valve body 32. The outer wall of the first valve body 31 is circumferentially extended. There is a first annular boss 36. The inner wall of the first valve body 32 extends circumferentially with a second annular boss 37. The second annular boss 37 is pulled out from the air inlet end of the first valve body 32 at the first valve body 31. A first sealing ring 34 is formed between the first annular boss 36 and the second annular boss 37, that is, when the first annular boss 36 is pressed. When the second annular boss 37 is clamped, the first sealing ring 34 is sandwiched therein, and the sealing ring forms a seal between the first valve body 31 and the first valve body 32 to prevent airflow; the first spool 31 and the first A first spring 33 is connected between the valve body 32, and the first spring 33 is used to form an elastic force in a direction in which the first valve body 31 is pulled out with respect to the intake end of the first valve body 32, thereby being first When the spool 31 is not subjected to the thrust force in the direction of insertion into the first valve body 32, the first seal ring 34 is in the first annular boss 36 and the second annular boss 37 by the elastic force of the first spring 33. Forming a seal; when the first spool 31 is subjected to a thrust in the direction of insertion into the first valve body 32, the first spring 33 is compressed, thereby causing a loss of sealing between the first spool 31 and the first valve seat, For inflation and deflation operations.

As shown in FIG. 2 and FIG. 4, the airbag interface 1 includes a jack 13 and a sleeve 11 whose exhaust end is inserted at the intake end of the first spool 31. Of course, the exhaust end of the sleeve 11 may also be sleeved. Outside the intake end of the first spool 31, as long as it is in communication with the intake end of the first spool 31, the exhaust end of the sleeve 11 and the intake end of the spool can be passed through an interference fit. A sealed and fixed connection is realized; one end of the ram 13 is slidably sealed and inserted at the intake end of the sleeve 11 for forming a conflict with the intake end of the first spool 31 when a set distance is inserted into the sleeve 11 And further inserting the first valve core 31 into the first valve seat after inserting into the sleeve 11, thereby causing the first seal ring 34 to be lost between the first valve body 31 and the first valve seat. Sealing; the inner portion of the ram 13 is axially disposed through the air passage 17, and one end of the connecting tube 10 is sealingly inserted into the air passage 17, thereby allowing the charged gas to enter the airbag through the airbag interface 1 and the airbag interface 1 valve On the other hand, when the jack 13 is not subjected to the force inserted into the sleeve 11, the airbag interface 1 is kept closed, ensuring no air leakage.

Wherein, the intake end of the first valve core 31 is preferably sleeved with a first three-dimensional mesh structure 28 for spacing a distance between the first valve core 31 and the jack 13 for the gas in the jack 13 Lane 17 exhausts gas.

As shown in FIG. 4, the device preferably further includes a fixing sleeve 35 sleeved outside the sleeve 11 and the ejector pin 13. One end of the fixing sleeve 35 is connected with the sleeve 11, and the other end of the fixing sleeve 35 and the first valve body 32 connection for reinforcing the strength of the connection between the sleeve 11 and the ram 13 .

Referring to FIG. 3, the exhaust end of the sleeve 11 is inserted into the intake end of the first valve body 32 and is connected to the intake end of the first valve body 32 by an interference fit; the sleeve 11 is not inserted into The outer wall of the portion of the first valve body 32 is provided with a first sliding groove 15 and a second sliding groove 16 leading to the air passage 17, the first sliding groove 15 extending in the axial direction of the sleeve 11; In the direction in which the tube 11 is inserted, the second sliding slot 16 extends along the circumferential direction of the sleeve 11 and communicates with the front end of the first sliding slot 15; the outer wall of the plunger 13 extends radially with a protruding rod 14 and a protruding rod 14 The sliding is disposed in the first chute 15 and the second chute 16. Thus, during the insertion of the male rod 14 into the interior of the sleeve 11, the male rod 14 is first slid along the first chute 15, and then after the male rod 14 is inserted into the set position, the male rod 14 is twisted again, so that The lug 14 slides into the second chute 16 to lock the axial position of the lug 14 to maintain the resistance to the first spool 31.

As shown in FIG. 2, further, a third sealing ring 12 is preferably disposed between the jack 13 and the sleeve 11 to enhance the sealing effect between the jack 13 and the sleeve 11.

In addition, a rotating handle can be provided on the jack 13 to make the jack 13 more convenient and labor-saving.

As shown in FIG. 5, the inflation port 2 includes a second valve body 22 and a second valve body 23 interposed in the intake end of the second valve body 22. The outer wall of the second valve body 23 extends circumferentially and is provided with a third The annular boss 291 has a fourth annular boss 292 extending circumferentially from the inner wall of the second valve body 22, and the third annular boss 291 is pulled out from the intake end of the second valve body 22 at the second valve body 23. Forming a limit fit with the fourth annular boss 292, and providing a second seal ring 26 between the third annular boss 291 and the fourth annular boss 292; the second valve body 23 and the second valve body 22 A second spring 24 is connected between the second spring 24 An elastic force for forming the second spool 23 in a direction withdrawn from the intake end of the second valve body 22 such that the second seal ring 26 is at the third annular boss 291 and the fourth annular boss 292 A seal is formed between the two ends of the second valve body 22; the seal sleeve 27 has a constricted portion 271, and the constricted portion 271 is a ring extending inwardly from the intake end of the second valve body 22. The structure, and the constricted portion 271 has elasticity, and the constricted portion is used for sealing and reconnecting when the inflation port is connected with the inflator to ensure that the gas of the airbag does not leak; the exhaust end of the second valve body 22 is sealed. A plug 21 plugged at the exhaust end of the second valve body 22 communicates with a corresponding end of the connecting pipe 10. Thereby, the gas of the inflator is charged into the airbag.

An end of the second valve body 23 adjacent to the intake end of the second valve body 22 is provided with a second three-dimensional mesh structure 25 for separating the ram 13 from the second valve core 23 so as not to affect the ram 13 Exhaust gas; of course, the side of the exhaust end of the ejector pin 13 may be provided with an air outlet grille or other exhaust structure as long as it does not affect the exhaust end of the ejector pin 13 .

As shown in FIG. 6, the device preferably further includes a manual inflation assembly; the airbag interface 1 is coupled to the connecting tube 10; the inflatable assembly includes an elastically extendable manual airbag 101, and the manual airbag 101 is provided with an intake check valve for intake air. 103 and an exhaust check valve 102 for exhausting, the exhaust check valve 102 is detachably connected to the inflation port, and the manual inflating assembly is used to inflate the air bag in a manual manner; in use, the manual air bag 101 is used Instead of the inflator connected to the connecting pipe 10, the manual airbag 101 is pressed, and the gas in the manual airbag 101 is discharged into the connecting pipe 10 through the exhaust check valve 102, and the airbag is driven by its own elastic drum after the hand to be pressed is released. At the same time, the gas is sucked in through the intake check valve 103 to be discharged by the exhaust check valve 102 when the manual airbag 101 is pressed next time.

Embodiment 2

An airbag pressure management device according to the second embodiment of the present invention is different from the first embodiment in that another airbag interface structure is adopted, and the specific difference is as follows:

As shown in FIG. 7 and FIG. 8, the sleeve 11 can be made of a rubber material, and the exhaust end is sleeved on the outer wall of the intake end of the first valve body 32 and passes through the intake end of the first valve body 32. The intake end of the sleeve 11 is thicker than the exhaust end of the sleeve 11 and forms a first annular gap 19 with the intake end of the first valve body 32; the other end of the jack 13 is provided a second annular gap 18 is formed between the annular plug portion and the outer wall of the top cover, and the annular plug portion is inserted into the first annular gap 19, thereby the ram 13 and the sleeve 11 The connection between the two is closer. At the exhaust end of the air bag interface, the end surface of the jack 11 is shorter than the end surface of the cuff 13. In use, the cuff is first contacted and sealed with the intake end of the air bag intake valve, and the jack 11 pushes the valve of the air bag intake valve. The core, in order to achieve the first sealing, in the process of opening the valve ventilation, thus ensuring that the airbag does not leak when the airbag interface is connected to the airbag intake valve.

Embodiment 3

The airbag pressure management device provided in the third embodiment of the present invention is different from the second embodiment in that another airbag interface structure is adopted, and the specific difference is as follows:

As shown in FIG. 9, the inner wall of the exhaust end of the sleeve 11 is provided with a rubber layer 111, and the exhaust end of the sleeve 11 is connected to the intake end of the first valve body 32 through the rubber layer 111: an embodiment The rubber layer of the second valve body is in surface contact with the inlet end of the first valve body 32. The rubber layer in the structure of the embodiment is in line contact with the inlet end of the first valve body, so the structure of the embodiment is installed compared to the embodiment. Second, it is convenient, the method of use is the same as the second embodiment.

The above is only a preferred embodiment of the present invention, and it should be noted that those skilled in the art can make several improvements and substitutions without departing from the technical principles of the present invention. It should also be considered as the scope of protection of the present invention.

Claims

The airbag pressure management device is characterized in that it comprises an airbag interface and an inflation interface which are communicated through a connecting tube; the inflatable interface is openably and closably connected with the inflating device, and the airbag interface is openably and closably connected with the airbag inflation valve; A pressure monitoring module is disposed on the connecting pipe.
The airbag pressure management device according to claim 1, wherein the connecting pipe is further provided with a bleed valve.
The airbag pressure management device according to any one of claims 1 to 2, further comprising a controller, wherein the controller is connected to the pressure monitoring module for controlling opening of the pressure monitoring module and shut down.
The airbag pressure management device according to claim 3, further comprising a display module, wherein the display module is coupled to the controller for displaying a pressure value monitored by the pressure monitoring module.
The airbag pressure management device according to claim 3, further comprising a power module, wherein the power module is connected to the controller for supplying power to the controller and the pressure monitoring module.
The airbag pressure management device according to claim 5, further comprising a power monitoring module, wherein the power monitoring module is connected to the power module for monitoring a remaining power of the power module.
The airbag pressure management device according to any one of claims 1 to 4, wherein the airbag intake valve includes a first valve body and a first portion inserted in an intake end of the first valve body a valve core, a first annular boss is circumferentially extended from an outer wall of the first valve body, and a second annular boss is circumferentially extended from the inner wall of the first valve body, and the second annular boss is The first valve core forms a limit fit with the first annular boss in a direction in which the intake end of the first valve body is pulled out, and the first annular boss and the second ring a first sealing ring is disposed between the bosses; a first spring is connected between the first valve core and the first valve body, and the first spring is used to form the first valve core relative to the first valve body An elastic force in a direction in which the intake end of the first valve body is pulled out, so that the first seal ring forms a seal between the first annular boss and the second annular boss;

The airbag interface includes a sleeve with a top rod and an exhaust end communicating with an intake end of the first valve core; one end of the top rod is slidingly sealed and inserted at an intake end of the sleeve, the top An inner portion of the rod is axially disposed through the air passage, and one end of the connecting tube is sealingly inserted into the air passage.
The airbag pressure management device according to claim 7, further comprising a fixing sleeve sleeved outside the sleeve and the ejector rod, one end of the fixing sleeve being connected to the sleeve, the fixing The other end of the sleeve is coupled to the first valve body.
The airbag pressure management device according to claim 7, wherein an exhaust end of the sleeve is inserted into an intake end of the first valve body and intake air with the first valve body End interference fit connection; the sleeve is not inserted into a first sliding slot and a second sliding slot opening to the air passage are formed on an outer wall of the sleeve, the first sliding slot extending along an axial direction of the sleeve; The second sliding slot extends in a circumferential direction of the sleeve and communicates with a front end of the first sliding slot in a direction in which the sleeve is inserted;

A protruding rod is radially extended on the outer wall of the protruding rod, and the protruding rod is slidably disposed in the first sliding slot and the second sliding slot.
The airbag pressure management device according to claim 9, wherein a third sealing ring is disposed between the jack and the sleeve.
The airbag pressure management device according to claim 9, wherein the jack is provided with a rotary handle.
The airbag pressure management device according to claim 7, wherein an exhaust end of the sleeve is coupled to an inner wall of the intake end of the first valve body and intake air with the first valve body The end interference fit connection, the intake end of the sleeve is thicker than the exhaust end of the sleeve, and forms a first annular gap with the intake end of the first valve body;

The air inlet end of the jack is provided with an annular plug portion, and the annular plug portion has a second annular gap between the outer wall of the jack and the annular plug portion is inserted in the first In the annular gap.
The airbag pressure management device according to claim 12, wherein a rubber layer is disposed on an inner wall of the exhaust end of the sleeve, and an exhaust end of the sleeve passes through the rubber layer and the first valve The intake end of the body forms an interference fit connection.
The airbag pressure management device according to claim 12, wherein the annular plug portion is connected or bonded to the sleeve by an interference fit.
The airbag pressure management device according to any one of claims 1 to 14, wherein the inflation port includes a second valve body and a second valve inserted in an intake end of the second valve body a core, a second annular boss extending circumferentially from the outer wall of the second valve body, a fourth annular boss extending circumferentially from the inner wall of the second valve body, the third annular boss being a second spool is formed in a direction in which the second valve body is drawn out by the intake end of the second valve body, and the third annular boss and the fourth annular boss are formed a second sealing ring is disposed between the second valve body and the second valve body, and the second spring is configured to form the second valve core relative to the first An elastic force in a direction in which the intake end of the two valve body is pulled out, so that the second seal ring forms a seal between the third annular boss and the fourth annular boss;

The air inlet end of the second valve body is provided with a sealing sleeve, the sealing sleeve has a constricting portion, and the constricting portion is an annular structure extending inward from an intake end of the second valve body, and The neck portion has elasticity;

The exhaust end of the second valve body communicates with a corresponding end of the connecting tube.
The airbag pressure management device according to any one of claims 1 to 15, characterized in that the second valve body is provided with a first three-dimensional network structure near one end of the intake end of the second valve body.
The airbag pressure management device according to any one of claims 1 to 16, further comprising a manual inflation assembly; the inflatable assembly comprising an elastically expandable manual airbag, the manual airbag being provided with an intake air An intake check valve and an exhaust check valve for exhausting, the exhaust check valve being detachably coupled to the inflation port.