CN220967909U - Inflation and deflation assembly and vacuum medical supply system - Google Patents
Inflation and deflation assembly and vacuum medical supply system Download PDFInfo
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- CN220967909U CN220967909U CN202322112039.XU CN202322112039U CN220967909U CN 220967909 U CN220967909 U CN 220967909U CN 202322112039 U CN202322112039 U CN 202322112039U CN 220967909 U CN220967909 U CN 220967909U
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- 238000007789 sealing Methods 0.000 claims abstract description 21
- 238000007599 discharging Methods 0.000 claims abstract description 12
- 238000004891 communication Methods 0.000 claims description 40
- 230000001105 regulatory effect Effects 0.000 claims description 5
- 238000005086 pumping Methods 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 5
- 239000007789 gas Substances 0.000 description 5
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 210000000746 body region Anatomy 0.000 description 2
- 238000000605 extraction Methods 0.000 description 2
- 239000006260 foam Substances 0.000 description 2
- 239000011261 inert gas Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000001959 radiotherapy Methods 0.000 description 2
- 230000002411 adverse Effects 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000000284 extract Substances 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 230000029058 respiratory gaseous exchange Effects 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
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Abstract
The utility model discloses an inflation and deflation assembly and a vacuum medical supply system, wherein the inflation and deflation assembly comprises a first channel, a second channel, a third channel, a connecting seat and an adjusting piece; the connecting seat is provided with an air cavity; the flow paths are integrated through the inflation and deflation assembly, so that inflation and deflation operations are respectively and independently implemented, and the connection positions of pipelines do not need to be repeatedly assembled and disassembled; constructing an inflation flow path from the first channel and the second channel, and constructing a deflation flow path from the second channel and the third channel; when the air is required to be inflated, the adjusting piece is switched to a first adjusting state, so that air of an external air source is inflated into the inner cavity of the vacuum pad through the first channel and the second channel; when the air is required to be discharged, the adjusting piece is switched to a second adjusting state, so that the air in the inner cavity of the vacuum pad flows to the air discharging mechanism through the second channel and the third channel. The inflation and deflation assembly is used for switching the inflation and deflation flow paths through the adjusting piece, the operation is convenient, the sealing performance is good, and the reliable body position fixing effect can be ensured.
Description
Technical Field
The utility model relates to the technical field of medical equipment, in particular to an inflation and deflation assembly and a vacuum medical supply system.
Background
The stereotactic radiotherapy of body adopts the traditional vacuum fixing device to fix the body position, and the vacuum supply system of the traditional vacuum fixing device is connected through the common hose. Before vacuumizing, the hose is connected to an inflation hole of the vacuum pump, and a foam ball in the vacuum pad can move freely after inflation, so that a patient is positioned at a comfortable supporting position. After the inflation is finished, the common hose is taken down and connected with the 'deflation' hole to vacuumize the vacuum pad. The hose connecting interface is required to be detached, so that the operation is inconvenient in actual use, and the connecting steps are complicated; and use repeatedly dismantles and installs the hose and can lead to hose and vacuum pump joint department wearing and tearing, destroys the leakproofness of hose, leads to the vacuum pad gas leakage, leads to the pipeline circulation sealing ability low, has reduced the fixed effect of position.
Disclosure of utility model
The utility model aims to solve the technical problems that in the prior art, the hose connecting position is repeatedly disassembled and installed, and the defects of inconvenient operation and poor sealing capability and reduced body position fixing effect exist.
The utility model provides an inflation and deflation assembly, which comprises:
A first channel, a second channel, and a third channel;
A connecting seat with an air cavity; any channel is fixedly connected with the connecting seat and is respectively communicated with the air cavity; one end of the first channel, which is far away from the connecting seat, is suitable for being connected with an external air source mechanism, one end of the second channel, which is far away from the connecting seat, is suitable for being connected with an inner cavity of a vacuum pad, and one end of the third channel, which is far away from the connecting seat, is suitable for being connected with an exhaust mechanism;
The adjusting piece is rotatably installed on the connecting seat and is provided with a first adjusting state which is communicated with the first channel and the second channel and seals the third channel; and a second regulation state having a communication between the second passage and the third passage and closing the first passage.
Optionally, the connecting seat is provided with a first communication port, a second communication port and a third communication port which are respectively arranged at intervals; in the first regulation state, the first communication port is communicated with the air cavity, in the second regulation state, the third communication port is communicated with the air cavity, and in any regulation state, the second communication port is communicated with the air cavity.
Optionally, the first channel comprises a first pipe body and a first adapter, and the first adapter is installed between one end of the first pipe body and the first communication port in a sealing way; and/or
The second channel comprises a second pipe body and a second adapter, and the second adapter is arranged between one end of the second pipe body and the second communication port in a sealing way; and/or
The third channel comprises a third pipe body and a third adapter, and the third adapter is installed between one end of the third pipe body and the third communication port in a sealing mode.
Optionally, either tube is configured as a hose.
Optionally, either adapter is configured as a hermetic seal adapter.
Optionally, the air cavity is provided with a circular cross section; the minimum included angle A between projection lines of two adjacent communication port extension axes on the plane perpendicular to the axis of the regulating piece is set to be 90 degrees.
Optionally, the adjusting piece is provided with at least one handle part; the handle part is arranged at one end of the adjusting piece, which is far away from the connecting seat.
A vacuum medical supply system comprises an air source mechanism, a vacuum pad, an exhaust mechanism and the inflation and deflation components; the air source mechanism and the exhaust mechanism jointly form a power unit.
Optionally, the vacuum medical supply system further comprises:
The air inlet driving piece is used for driving air in the air source mechanism to enter the inner cavity of the vacuum pad through the air in the first adjusting state; and/or
And the air release driving piece is used for driving air exhaust flow of the vacuum pad inner cavity to the exhaust mechanism in the second adjusting state.
Optionally, the vacuum medical supply system further comprises a cover plate member, wherein the cover plate member is fixedly arranged on the vacuum pad, and an air pumping cavity is formed between the cover plate member and the vacuum pad in a surrounding manner.
The technical scheme provided by the utility model has the following advantages:
1. The utility model provides an inflation and deflation assembly which comprises a first channel, a second channel, a third channel, a connecting seat and an adjusting piece, wherein the first channel is connected with the second channel; the connecting seat is provided with an air cavity; any channel is fixedly connected with the connecting seat and is respectively communicated with the air cavity; one end of the first channel, which is far away from the connecting seat, is suitable for being connected with an external air source mechanism, one end of the second channel, which is far away from the connecting seat, is suitable for being connected with an inner cavity of a vacuum pad, and one end of the third channel, which is far away from the connecting seat, is suitable for being connected with an exhaust mechanism; the adjusting piece is rotatably arranged on the connecting seat and is provided with a first adjusting state which is communicated with the first channel and the second channel and seals the third channel; and a second regulation state having a communication between the second passage and the third passage and closing the first passage.
The inflation and deflation assembly of the structure integrates the flow paths through the inflation and deflation assembly so as to respectively and independently implement inflation and deflation operation without repeatedly installing and detaching the connection positions of the pipelines; constructing an inflation flow path from the first channel and the second channel, and constructing a deflation flow path from the second channel and the third channel; when the air is required to be inflated, the adjusting piece is switched to a first adjusting state, so that air of an external air source is inflated into the inner cavity of the vacuum pad through the first channel and the second channel; when the air is required to be discharged, the adjusting piece is switched to a second adjusting state, so that the air in the inner cavity of the vacuum pad flows to the air discharging mechanism through the second channel and the third channel. The inflation and deflation assembly is used for switching the inflation and deflation flow paths through the adjusting piece, the operation is convenient, the sealing performance is good, and the reliable body position fixing effect can be ensured.
2. The utility model provides an inflation and deflation assembly, wherein a connecting seat is provided with a first communication port, a second communication port and a third communication port which are respectively arranged at intervals; the connecting ports of the three flow channels communicated with the air cavity are arranged on the connecting seat, so that structural conditions are provided for sealing connection of air charging and discharging operation and implementation of switching adjustment of air charging and discharging flow paths.
3. According to the inflation and deflation assembly provided by the utility model, any channel is formed by the pipe body and the adapter, so that the connection circulation of inflation and deflation operation can be satisfied, and the sealing performance of an inflation and deflation flow path is enhanced.
4. The utility model provides an inflation and deflation assembly, wherein at least one handle part is arranged on an adjusting piece; the handle part is arranged at one end of the adjusting piece, which is far away from the connecting seat. The adjusting piece is driven to rotate through the handle part, so that the adjusting piece is switched between a first adjusting state and a second adjusting state, the operation of medical staff is facilitated, and the convenience in switching and adjusting the flow path is promoted.
5. The utility model provides a vacuum medical supply system which comprises an air source mechanism, a vacuum pad, an exhaust mechanism and an inflation and deflation assembly.
The vacuum medical supply system with the structure integrates the flow paths through the inflation and deflation assembly to respectively and independently implement inflation and deflation operation without repeatedly installing and detaching the connection positions of the pipelines; constructing an inflation flow path from the first channel and the second channel, and constructing a deflation flow path from the second channel and the third channel; in the first adjusting state, the air source mechanism introduces air flow into the vacuum pad through the air charging flow path, so that the inner cavity of the vacuum pad is inflated, a patient can be supported, and the patient can conveniently adjust a more comfortable supporting position; under the second regulation state, the exhaust mechanism extracts the air flow in the inner cavity of the vacuum pad through the air release flow path, so that the inner cavity of the vacuum pad is extracted into a vacuum state, the volume of the vacuum pad is reduced, and the subsequent storage processing is facilitated. The vacuum medical supply system is convenient to operate and use, good in sealing performance and convenient to use, and reliable body position fixation of a patient is guaranteed.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are needed in the description of the embodiments or the prior art will be briefly described, and it is obvious that the drawings in the description below are some embodiments of the present utility model, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic structural view of an inflation and deflation assembly provided in an embodiment of the present utility model;
FIG. 2 is a schematic view of a vacuum medical supply system provided in an embodiment of the present utility model;
Reference numerals illustrate:
1-a first channel; 11-a first tube; 12-a first adapter; 2-a second channel; 21-a second tube; 22-a second adapter; 3-a third channel; 31-a third tube; 32-a third adapter;
4-connecting seats; 5-adjusting piece;
6-a power unit; 7-a vacuum pad; 8-cover plate piece.
Detailed Description
The following description of the embodiments of the present utility model will be made apparent and fully in view of the accompanying drawings, in which some, but not all embodiments of the utility model are shown. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "connected," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
In addition, the technical features of the different embodiments of the present utility model described below may be combined with each other as long as they do not collide with each other.
Example 1
The present embodiment provides an inflation and deflation assembly, see fig. 1 and 2, which includes a first channel 1, a second channel 2, a third channel 3, a connection seat 4, and an adjusting member 5, wherein the connection seat 4 has an air cavity; the adjusting member 5 is rotatably mounted on the connection base 4.
Referring to fig. 2, any channel is fixedly connected with the connecting seat 4 and is respectively communicated with the air cavity; wherein, the end of the first channel 1 far away from the connecting seat 4 is suitable for being connected with an external air source mechanism, the end of the second channel 2 far away from the connecting seat 4 is suitable for being connected with an inner cavity of a vacuum pad 7, and the end of the third channel 3 far away from the connecting seat 4 is suitable for being connected with an exhaust mechanism;
In the present embodiment, the regulating member has a first regulating state in which it communicates with the first passage 1 and the second passage 2 and closes the third passage 3; and a second regulation state having communication between the second passage 2 and the third passage 3 and closing the first passage 1.
The inflation and deflation assembly provided by the embodiment is integrated with the flow path through the inflation and deflation assembly so as to respectively and independently implement inflation and deflation operation without repeatedly installing and detaching the connection position of the pipeline; constructing an inflation flow path by a first channel 1 and a second channel 2, and constructing a deflation flow path by the second channel 2 and a third channel 3; when the air needs to be inflated, the adjusting piece 5 is switched to a first adjusting state, so that the air of an external air source is inflated into the inner cavity of the vacuum pad 7 through the first channel 1 and the second channel 2; when the air is required to be discharged, the adjusting piece 5 is switched to a second adjusting state, so that the air in the inner cavity of the vacuum pad 7 is communicated to the air discharging mechanism through the second channel 2 and the third channel 3. The inflation and deflation assembly is used for switching inflation and deflation flow paths through the adjusting piece 5, the operation is convenient, the sealing performance is good, and the reliable body position fixing effect is guaranteed in the convenient use stage.
The connecting seat 4 is provided with a first communication port, a second communication port and a third communication port which are respectively arranged at intervals; in the first regulation state, the first communication port is communicated with the air cavity, in the second regulation state, the third communication port is communicated with the air cavity, and in any regulation state, the second communication port is communicated with the air cavity. By arranging the connecting ports of the three flow passages communicated with the air cavity on the connecting seat 4, structural conditions are provided for the sealing connection of the air charging and discharging operation and the implementation of switching and adjustment of the air charging and discharging flow passages.
Referring to fig. 1, the first channel 1 includes a first pipe body 11 and a first adaptor 12, and the first adaptor 12 is sealingly installed between one end of the first pipe body 11 and the first communication port; the second channel 2 comprises a second pipe body 21 and a second adapter 22, and the second adapter 22 is arranged between one end of the second pipe body 21 and the second communication port in a sealing way; the third channel 3 comprises a third pipe body 31 and a third adapter 32, and the third adapter 32 is installed between one end of the third pipe body 31 and the third communication port in a sealing manner. Any channel is composed of a pipe body and an adapter, so that the connection circulation of the air charging and discharging operation is met, and the sealing performance of an air charging and discharging flow path is enhanced.
In some embodiments, any of the tube bodies is configured as a hose, and the flexible bending property of the hose facilitates the adjustment of the spatial position of the inflation and deflation assembly in the medical room, so that the sealing connection of the flow path is prevented from being influenced.
In some embodiments, either adapter is configured as a hermetic seal adapter that is easy to install and operate, and that is stable in sealing, which is advantageous in ensuring reliable tightness of inflation and deflation.
The air cavity is arranged to be of a circular section; the air cavity can be arranged into a cylindrical structure; wherein, two intercommunication mouth extension axes that adjoint to set up are perpendicular to the minimum contained angle A between the projection line on the regulating part 5 axis plane sets up to 90 degrees, and the circulation of the gas of being convenient for avoids less angle to cause the adverse resistance, leads to the gas circulation not smooth and easy.
Referring to fig. 1, the adjusting member 5 is provided with at least one handle portion; the handle part is arranged at one end of the adjusting piece 5 far away from the connecting seat 4. Three handles can be arranged, so that the insertion, abutting and adjustment of the hands of medical staff are facilitated; the adjusting piece 5 is driven to rotate through the handle part, so that the adjusting piece 5 is switched between a first adjusting state and a second adjusting state, the operation of medical staff is facilitated, and the convenience in switching and adjusting the flow path is promoted.
Example 2
The embodiment provides a vacuum medical supply system which is suitable for fixing the body position of a patient; for example, it may be applied to the fixation of the body during a directional radiation treatment session. Referring to fig. 2, it includes an air source mechanism (not shown), a vacuum pad 7, an air exhaust mechanism (not shown), and the air charge and discharge assembly described in embodiment 1; the air source mechanism and the exhaust mechanism form a power unit 6 together; the power unit 6 is used for providing power for the implementation of the inflation and deflation operation of the inflation and deflation assembly, and the inflation and deflation functions are integrated through the power unit 6, so that the structural configuration is optimized, and the occupied space of the vacuum medical supply system is reduced. The air source mechanism and the exhaust mechanism can adopt a pump body so as to realize the purpose of air circulation.
According to the vacuum medical supply system provided by the embodiment, the air charging and discharging operation is respectively and independently implemented through the integrated flow paths of the air charging and discharging assembly, and the connecting positions of the pipelines do not need to be repeatedly assembled and disassembled; constructing an inflation flow path by a first channel 1 and a second channel 2, and constructing a deflation flow path by the second channel 2 and a third channel 3; in the first adjusting state, the air source mechanism introduces air flow into the vacuum pad 7 through the air charging flow path, so that the inner cavity of the vacuum pad 7 is inflated, a patient can be supported, and the patient can conveniently adjust a more comfortable supporting position; in the second adjusting state, the air flow in the inner cavity of the vacuum pad 7 is pumped out by the air exhausting mechanism through the air exhausting flow path, the inner cavity of the vacuum pad 7 is pumped into a vacuum state, the volume of the vacuum pad 7 is reduced, and the subsequent storage processing is facilitated. The vacuum medical supply system is convenient to operate and use, good in sealing performance and convenient to use, and reliable body position fixation of a patient is guaranteed.
The gas output by the gas source mechanism is set as filtered air or inert gas, and the inert gas can be nitrogen.
In some embodiments, the vacuum cushion 7 is a flexible cushion, and a number of foam balls are disposed within the vacuum cushion 7 to provide support to the patient when inflated.
In some embodiments, the vacuum medical supply system further comprises an air intake drive (not shown) mounted within the power unit 6 for driving air within the air supply mechanism through into the vacuum pad 7 cavity in the first adjustment state. The air inlet driving piece can adopt a driving motor, and the air source mechanism is driven by the driving motor so as to realize air inlet operation on the inner cavity of the vacuum pad 7.
In some embodiments, the vacuum medical supply system further comprises a deflation drive (not shown in the figures) mounted within the power unit 6; in the second adjustment state, the air release driving member is used for driving the air exhaust flow of the inner cavity of the vacuum pad 7 to the air exhaust mechanism. The air release driving piece can adopt a driving motor, and the air release mechanism is driven by the driving motor so as to realize the air release operation of the inner cavity of the vacuum pad 7.
Referring to fig. 2, the vacuum medical supply system further comprises a cover plate member 8, wherein the cover plate member 8 is fixedly arranged on the vacuum pad 7, and an air pumping cavity is formed between the cover plate member 8 and the vacuum pad 7 in a surrounding manner. The human body region to be treated of the patient enters the air extraction cavity through the external air extraction facility to extract air, so that the cover plate piece 8 and the vacuum pad 7 compress the human body region to be treated of the patient up and down, a final body position fixing function is achieved through the cover plate piece 8, movement of human tissues along with respiration is avoided, and the operation visual field of medical staff and the interference on the radiotherapy region are caused. In some embodiments, the cover member 8 is provided as a flexible transparent sealing film.
In this embodiment, four moving wheels are arranged at the bottom of the power unit 6 to facilitate the transportation of the power unit 6, which facilitates the position adjustment of the power unit 6 to fit in the body position fixing area.
It is apparent that the above examples are given by way of illustration only and are not limiting of the embodiments. Other variations or modifications of the above teachings will be apparent to those of ordinary skill in the art. It is not necessary here nor is it exhaustive of all embodiments. While still being apparent from variations or modifications that may be made by those skilled in the art are within the scope of the utility model.
Claims (10)
1. An inflation and deflation assembly, comprising:
a first channel (1), a second channel (2) and a third channel (3);
A connecting seat (4) with an air cavity; any channel is fixedly connected with the connecting seat (4) and is respectively communicated with the air cavity; one end of the first channel (1) far away from the connecting seat (4) is suitable for being connected with an external air source mechanism, one end of the second channel (2) far away from the connecting seat (4) is suitable for being connected with an inner cavity of a vacuum pad (7), and one end of the third channel (3) far away from the connecting seat (4) is suitable for being connected with an exhaust mechanism;
an adjusting member (5) rotatably mounted on the connecting seat (4), the adjusting member having a first adjusting state in which it communicates with the first passage (1) and the second passage (2) and closes the third passage (3); and a second regulation state having a communication between the second channel (2) and the third channel (3) and closing the first channel (1).
2. Inflation and deflation assembly according to claim 1, wherein the connection seat (4) has a first communication port, a second communication port and a third communication port arranged at intervals respectively, in the first adjustment state, the first communication port and the air cavity are arranged in communication, in the second adjustment state, the third communication port and the air cavity are arranged in communication, and in either adjustment state, the second communication port is arranged in communication with the air cavity.
3. The inflation and deflation assembly according to claim 2, wherein the first channel (1) comprises a first tube (11) and a first adapter (12), the first adapter (12) being sealingly mounted between one end of the first tube (11) and the first communication port; and/or
The second channel (2) comprises a second pipe body (21) and a second adapter (22), and the second adapter (22) is arranged between one end of the second pipe body (21) and the second communication port in a sealing way; and/or
The third channel (3) comprises a third pipe body (31) and a third adapter (32), and the third adapter (32) is arranged between one end of the third pipe body (31) and the third communication port in a sealing mode.
4. A fill and vent assembly as set forth in claim 3 wherein either tube is configured as a hose.
5. A gas charging and discharging assembly according to claim 3, wherein either adapter is configured as a gas tight adapter.
6. The inflation and deflation assembly of claim 2, wherein the air chamber is provided with a circular cross section; the minimum included angle A between projection lines of two adjacent communication port extension axes on the plane perpendicular to the axis of the regulating piece (5) is set to be 90 degrees.
7. Inflation and deflation assembly according to claim 1, wherein said adjustment member (5) is provided with at least one handle portion; the handle part is arranged at one end of the adjusting piece (5) far away from the connecting seat (4).
8. A vacuum medical supply system comprising an air source mechanism, a vacuum pad (7), an air evacuation mechanism and an inflation and deflation assembly according to any of claims 1-7; the air source mechanism and the exhaust mechanism jointly form a power unit (6).
9. The vacuum medical supply system according to claim 8, further comprising:
The air inlet driving piece is used for driving air in the air source mechanism to enter the inner cavity of the vacuum pad (7) through the air in the first adjusting state; and/or
And the air release driving piece is used for driving air exhaust and circulation of the inner cavity of the vacuum pad (7) to the exhaust mechanism in the second adjusting state.
10. The vacuum medical supply system according to claim 8, further comprising a cover plate member (8), wherein the cover plate member (8) is fixedly arranged on the vacuum pad (7), and an air pumping cavity is formed between the cover plate member (8) and the vacuum pad (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322112039.XU CN220967909U (en) | 2023-08-07 | 2023-08-07 | Inflation and deflation assembly and vacuum medical supply system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322112039.XU CN220967909U (en) | 2023-08-07 | 2023-08-07 | Inflation and deflation assembly and vacuum medical supply system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220967909U true CN220967909U (en) | 2024-05-17 |
Family
ID=91056993
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322112039.XU Active CN220967909U (en) | 2023-08-07 | 2023-08-07 | Inflation and deflation assembly and vacuum medical supply system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220967909U (en) |
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2023
- 2023-08-07 CN CN202322112039.XU patent/CN220967909U/en active Active
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