CN219440147U - Wound surface oxygenation negative pressure device - Google Patents
Wound surface oxygenation negative pressure device Download PDFInfo
- Publication number
- CN219440147U CN219440147U CN202222215782.3U CN202222215782U CN219440147U CN 219440147 U CN219440147 U CN 219440147U CN 202222215782 U CN202222215782 U CN 202222215782U CN 219440147 U CN219440147 U CN 219440147U
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- China
- Prior art keywords
- oxygen
- wound
- inlet pipe
- negative pressure
- oxygenation
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 238000006213 oxygenation reaction Methods 0.000 title claims abstract description 36
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims abstract description 240
- 239000001301 oxygen Substances 0.000 claims abstract description 240
- 229910052760 oxygen Inorganic materials 0.000 claims abstract description 240
- 238000004891 communication Methods 0.000 claims abstract description 8
- 239000002699 waste material Substances 0.000 claims description 21
- 238000002640 oxygen therapy Methods 0.000 abstract description 3
- 238000002347 injection Methods 0.000 abstract 1
- 239000007924 injection Substances 0.000 abstract 1
- 239000007788 liquid Substances 0.000 description 6
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 description 2
- 229910001882 dioxygen Inorganic materials 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000011282 treatment Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Abstract
The utility model discloses a wound surface oxygenation negative pressure device, which is provided with a host, wherein a communicating pipe, a vacuum pump, a wound surface pressure sensor, a main control unit, a quantitative oxygen storage tank, an oxygen inlet pipe, an oxygen outlet pipe and an oxygen supply control valve are arranged in the host, wherein: one end of the oxygen inlet pipe is connected with the quantitative oxygen storage tank, and the other end of the oxygen inlet pipe is used for being connected with an oxygen supply source; one end of the oxygen outlet pipe is connected with a quantitative oxygen storage tank, and the other end of the oxygen outlet pipe is used for being connected with a wound surface application assembly; the oxygen supply control valve is connected with the oxygen inlet pipe and the oxygen outlet pipe to control the on and off; the main control unit is in communication connection with the vacuum pump and the oxygen supply control valve, and is used for controlling the running state of the oxygen supply control valve, so that the oxygen outlet pipe is cut off when the oxygen inlet pipe is conducted, and the oxygen inlet pipe is cut off when the oxygen outlet pipe is conducted. The surface of a wound of this application adds oxygen negative pressure device, single oxygen therapy volume is controlled easily and comparatively stable, and is less to its atmospheric pressure influence when applying to the subassembly injection oxygen to the surface of a wound.
Description
Technical Field
The utility model relates to the technical field of medical devices, in particular to a wound surface oxygenation negative pressure device.
Background
The wound surface oxygenation negative pressure device is used for forming a negative pressure environment at a wound surface and improving the oxygen content at the wound surface. In the traditional technology, through offer the oxygen suppliment opening on the surface of a wound and apply the subassembly, continuously to the surface of a wound and apply the subassembly in carrying oxygen, but this kind of mode applies the unstable to the surface of a wound to apply the oxygen therapy volume in the subassembly to the surface of a wound, the surface of a wound applies the atmospheric pressure in the subassembly to float greatly.
Disclosure of Invention
The present utility model aims to solve at least one of the technical problems existing in the prior art. Therefore, the utility model provides the wound surface oxygenation and negative pressure device, wherein the single oxygen therapy amount of the wound surface oxygenation and negative pressure device is easy to control and stable, and the influence on the air pressure of the wound surface application component is small when oxygen is injected into the wound surface application component.
According to the wound surface oxygenation negative pressure device provided by the embodiment of the utility model, the wound surface oxygenation negative pressure device is provided with a host, a communicating pipe, a vacuum pump, a wound surface pressure sensor, a main control unit, a quantitative oxygen storage tank, an oxygen inlet pipe, an oxygen outlet pipe and an oxygen supply control valve are arranged in the host, wherein: the vacuum pump and the wound pressure sensor are both connected with the communicating pipe, and one end of the communicating pipe is used for connecting a waste tank; the quantitative oxygen storage tank is used for storing quantitative oxygen; one end of the oxygen inlet pipe is connected with the quantitative oxygen storage tank, and the other end of the oxygen inlet pipe is connected with an oxygen supply source; one end of the oxygen outlet pipe is connected with the quantitative oxygen storage tank, and the other end of the oxygen outlet pipe is used for being connected with a wound surface application assembly; the oxygen supply control valve is connected with the oxygen inlet pipe and the oxygen outlet pipe; the main control unit is in communication connection with the vacuum pump, the wound pressure sensor and the oxygen supply control valve, and is used for controlling the running state of the oxygen supply control valve, so that the oxygen outlet pipe is cut off when the oxygen inlet pipe is conducted, the oxygen inlet pipe is cut off when the oxygen outlet pipe is conducted, and the oxygen inlet pipe and the oxygen outlet pipe are prevented from being conducted simultaneously.
According to the wound surface oxygenation negative pressure device provided by the embodiment of the utility model, the quantitative oxygen storage tank is arranged between the oxygen supply source and the wound surface application assembly, and the quantitative oxygen storage tank is used for isolating the oxygen supply source from the wound surface application assembly, so that the oxygen supply source is prevented from being directly communicated with the wound surface application assembly, and the influence of the oxygen supply source on the air pressure in the wound surface application assembly is reduced. Simultaneously, when oxygen is conveyed into the wound surface application assembly through the quantitative oxygen storage tank, the single oxygen conveying amount is easy to control and stable, and the air pressure in the wound surface application assembly can be conveniently controlled.
In some embodiments, the wound oxygenation negative pressure device further comprises an oxygen pressure sensor for detecting the air pressure of the oxygen supply source, wherein the oxygen pressure sensor is located in the host and is electrically connected with the main control unit.
In some embodiments, one end of the oxygen inlet pipe for connecting with the oxygen supply source is provided with an inlet pipe joint, and the inlet pipe joint is arranged on the surface of the host.
In some embodiments, the oxygen supply control valve is a solenoid valve.
In some embodiments, the oxygen supply control valve is a three-way valve, the three-way valve is provided with a first valve port, a second valve port and a third valve port, and is respectively connected with the quantitative oxygen storage tank, the oxygen inlet pipe and the oxygen outlet pipe, and the first valve port is switchably communicated with one of the second valve port and the third valve port.
In some embodiments, the oxygen supply control valve comprises a first sub-valve and a second sub-valve, wherein the first sub-valve is connected with the quantitative oxygen storage tank and the oxygen inlet pipe, and the second sub-valve is connected with the quantitative oxygen storage tank and the oxygen outlet pipe.
In some embodiments, the wound oxygenation negative pressure device further comprises: the waste tank is located outside the host computer and connected with the communicating pipe, and the waste tank is used for connecting the wound surface application assembly.
Further, the waste tank is detachably connected with the communicating pipe, and the waste tank is disposable consumable.
In some embodiments, one end of the oxygen outlet tube for connecting the wound dressing assembly is provided with an outlet tube connector, which is located outside the host or on the surface of the host, so that the wound dressing assembly can be detached from the outlet tube connector when the wound dressing assembly is a disposable consumable.
In some embodiments, the volumetric capacity of the volumetric oxygen reservoir is 3-50ml.
Additional aspects and advantages of the utility model will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model.
Drawings
The foregoing and/or additional aspects and advantages of the utility model will become apparent and may be better understood from the following description of embodiments taken in conjunction with the accompanying drawings in which:
fig. 1 is a schematic structural view of a wound oxygenation negative pressure device according to a first embodiment of the utility model working in cooperation with a wound application assembly;
fig. 2 is a schematic structural diagram of a part of a wound surface oxygenation negative pressure device according to a second embodiment of the utility model, which cooperates with a wound surface application assembly in operation.
Reference numerals:
wound surface oxygenation negative pressure device 100,
A main unit 1,
Wound dressing assembly 10, communicating pipe 11, vacuum pump 12, wound pressure sensor 13, main control unit 14, quantitative oxygen storage tank 15,
An oxygen inlet pipe 16, an inlet pipe joint 161,
An oxygen outlet pipe 17, an outlet pipe joint 171,
An oxygen supply control valve 18, a first sub-valve 181, a second sub-valve 182,
An oxygen pressure sensor 19,
A canister 2.
Detailed Description
Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the utility model.
In the description of the present utility model, it should be understood that the orientation or positional relationship indicated by the terms "inner", "outer", etc. are based on the orientation or positional relationship 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 device or element in question must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, features defining "first", "second" may include one or more such features, either explicitly or implicitly. In the description of the present utility model, unless otherwise indicated, the meaning of "a plurality" is two or more.
In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "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.
A wound surface oxygenation negative pressure device 100 according to an embodiment of the utility model is described below with reference to the drawings.
As shown in fig. 1, a wound oxygenation negative pressure device 100 according to an embodiment of the utility model is to be used in combination with a wound application assembly 10. The wound surface oxygenation negative pressure device 100 is provided with a host machine 1, and a communicating pipe 11, a vacuum pump 12, a wound surface pressure sensor 13, a main control unit 14, a quantitative oxygen storage tank 15, an oxygen inlet pipe 16, an oxygen outlet pipe 17 and an oxygen supply control valve 18 are arranged in the host machine 1.
Wherein, vacuum pump 12 and wound pressure sensor 13 all connect communicating pipe 11, and communicating pipe 11's one end is used for connecting canister 2. Thus, the vacuum pump 12 is communicated with the waste tank 2 through the communicating pipe 11, so that the vacuum pump 12 can generate negative pressure in the waste tank 2, and meanwhile, the wound pressure sensor 13 can be used for detecting the negative pressure value generated by the vacuum pump 12 in the waste tank 2.
The quantitative oxygen storage tank 15 is used for storing quantitative oxygen, one end of the oxygen inlet pipe 16 is connected with the quantitative oxygen storage tank 15, the other end is used for being connected with an oxygen supply source, and one end of the oxygen outlet pipe 17 is connected with the quantitative oxygen storage tank 15, and the other end is used for being connected with a wound surface application group. Thus, the oxygen supply source charges the quantitative oxygen storage tank 15 with a single amount of oxygen through the oxygen inlet pipe 16, and the oxygen in the quantitative oxygen storage tank 15 is output through the oxygen outlet pipe 17 and injected into the wound dressing assembly 10.
The oxygen supply control valve 18 is connected with the oxygen inlet pipe 16 and the oxygen outlet pipe 17. Under the control of the oxygen supply control valve 18, the oxygen inlet pipe 16 and the oxygen outlet pipe 17 cannot be simultaneously conducted. In some embodiments, the oxygen supply control valve 18 may also control the opening of both the oxygen inlet pipe 16 and the oxygen outlet pipe 17.
It will be appreciated that by controlling the oxygen supply control valve 18, it is possible to control the communication of the dosing oxygen reservoir 15 with the oxygen supply source or the dosing oxygen reservoir 15, respectively. For example, the oxygen supply control valve 18 may control the oxygen inlet pipe 16 to be turned on and the oxygen outlet pipe 17 to be turned off, at this time, the oxygen supply source charges oxygen into the quantitative oxygen storage tank 15 through the oxygen inlet pipe 16, and the quantitative oxygen storage tank 15 will not output and be injected into the wound dressing assembly 10. For another example, the oxygen supply control valve 18 may control the oxygen inlet pipe 16 to stop and the oxygen outlet pipe 17 to be conducted, and at this time, the oxygen supply is derived from the separation of the quantitative oxygen storage tank 15, and the oxygen in the quantitative oxygen storage tank 15 is output through the oxygen outlet pipe 17 and injected into the wound dressing assembly 10.
The main control unit 14 is in communication connection with the vacuum pump 12 and the oxygen supply control valve 18, and the main control unit 14 is used for controlling the operation state of the oxygen supply control valve 18, so that the oxygen outlet pipe 17 is cut off when the oxygen inlet pipe 16 is conducted, and the oxygen inlet pipe 16 is cut off when the oxygen outlet pipe 17 is conducted.
The utility model provides a surface of a wound adds oxygen negative pressure device 100 through set up ration oxygen gas holder 15 between oxygen supply and surface of a wound and apply the subassembly 10, and ration oxygen gas holder 15 cuts off oxygen supply and surface of a wound and apply the subassembly 10, avoids oxygen supply and the surface of a wound to apply the direct intercommunication of subassembly 10 to reduce the influence of oxygen supply to the surface of a wound and apply the interior atmospheric pressure of subassembly 10. Meanwhile, when oxygen is conveyed into the wound surface application assembly 10 through the quantitative oxygen storage tank 15, the single oxygen conveying amount is easy to control and stable, and the air pressure in the wound surface application assembly 10 can be conveniently controlled.
In some embodiments, as shown in fig. 1, the wound oxygenation negative pressure device 100 further includes an oxygen pressure sensor 19 for detecting the air pressure of the oxygen supply, and the oxygen pressure sensor 19 is located in the host 1 and is electrically connected to the main control unit 14. Thus, the air pressure value of the detected oxygen supply source detected by the oxygen pressure sensor 19 can be transmitted to the main control unit 14 for processing and analysis, so that the main control unit 14 can control the opening and closing of the oxygen supply control valve 18 according to the air pressure value to adjust the oxygen content in the quantitative oxygen storage tank 15.
Further, an oxygen pressure sensor 19 is connected to the oxygen inlet pipe 16 through a tee pipe.
It will be appreciated that when the oxygen supply source is in communication with the dosing oxygen reservoir 15 and the dosing oxygen reservoir 15 is full of oxygen, the oxygen supply source is at the same pressure as the dosing oxygen reservoir 15.
Thus, the oxygen pressure sensor 19 can be used to detect the oxygen supply source and the air pressure value in the oxygen storage tank 15, and the air pressure value information in the oxygen storage tank 15 detected by the oxygen pressure sensor 19 is transmitted to the main control unit 14, so that the main control unit 14 can adjust and control the opening and closing state of the oxygen supply control valve 18 according to the air pressure value in the oxygen storage tank 15.
In some embodiments, as shown in fig. 1, an inlet pipe joint 161 is provided at one end of the oxygen inlet pipe 16 for connecting to an oxygen supply source, and the inlet pipe joint 161 is provided at a surface of the host 1. With this structure, the quantitative oxygen storage tank 15 is arranged in the host 1 and is not easily damaged, and the inlet pipe joint 161 is arranged on the surface of the host 1, so that the oxygen inlet pipe 16 can be conveniently connected with different oxygen supply sources outside the host 1.
In some embodiments, oxygen supply control valve 18 is a solenoid valve. Therefore, the electromagnetic valve has a good cutoff effect on the oxygen inlet pipe 16 and the oxygen outlet pipe 17 when closed, so that the air leakage between the quantitative oxygen storage tank 15 and the oxygen supply source or the wound surface application assembly 10 can be reduced when the oxygen inlet pipe 16 and the oxygen outlet pipe 17 are cut off.
In some embodiments, as shown in fig. 1, the oxygen supply control valve 18 is a three-way valve, and the three-way valve has a first valve port, a second valve port and a third valve port, and is respectively connected to the quantitative oxygen storage tank 15, the oxygen inlet pipe 16 and the oxygen outlet pipe 17, where the first valve port is switchably connected to one of the second valve port and the third valve port. With such a structure, the two different valve ports can be adjusted to be opened and closed, so as to respectively realize the communication between the quantitative oxygen storage tank 15 and the oxygen supply source and the wound surface application assembly 10.
In some embodiments, as shown in fig. 2, the oxygen supply control valve 18 includes a first sub-valve 181 and a second sub-valve 182, where the first sub-valve 181 is connected to the quantitative oxygen storage tank 15 and the oxygen inlet pipe 16, and the second sub-valve 182 is connected to the quantitative oxygen storage tank 15 and the oxygen outlet pipe 17. With such a structure, the quantitative oxygen storage tank 15 can be communicated with the oxygen supply source or the wound surface application assembly 10 by adjusting the opening and closing of the two sub-valves.
In some embodiments, as shown in fig. 1, the wound oxygenation negative pressure device 100 further comprises: canister 2, canister 2 is located outside host computer 1 and connects communicating pipe 11, and canister 2 is used for connecting surface of a wound and applies subassembly 10. Thus, canister 2 communicates with wound dressing assembly 10, and the gas or liquid within wound dressing assembly 10 can flow into canister 2 for collection.
Further, the waste tank 2 is detachably connected with the communicating pipe 11, and the waste tank 2 is disposable.
It will be appreciated that different liquids may be collected in canister 2 under different operating requirements of wound oxygenation and negative pressure device 100. Thus, to facilitate different treatments of different liquids, separate collection of each liquid is required.
Thereby, the waste tank 2 is provided to be detachable from the communicating pipe 11, and the liquid in the waste tank 2 can be easily poured out for disposal or collected intensively. And the waste tank 2 adopts disposable consumable, can avoid the residual liquid in the waste tank 2 to mix each other, and saved the operation of wasing the waste tank 2, make the surface of a wound oxygenation negative pressure device 100 use more convenient.
In some embodiments, as shown in fig. 1, one end of the oxygen outlet tube 17 for connecting the wound dressing assembly 10 is provided with an outlet tube connector 171, and the outlet tube connector 171 is located outside the host 1 or is disposed on the surface of the host 1, so that the wound dressing assembly 10 can be detached from the outlet tube connector 171 when the wound dressing assembly 10 is a disposable consumable. Under such a structure, the outlet pipe connector 171 is arranged outside the host 1 or on the surface of the host 1, so that the oxygen outlet pipe 17 and the wound surface applying component 10 can be conveniently connected, and when the wound surface applying component 10 is disposable, the wound surface applying component 10 is conveniently detached from the outlet pipe connector 171, so that the whole use of the wound surface oxygenation negative pressure device 100 is more convenient.
In some embodiments, the volumetric capacity of the dosing oxygen reservoir 15 is 3-50ml. With such a structure, the volume of the quantitative oxygen storage tank 15 is small, and when the quantitative oxygen storage tank 15 supplies oxygen into the working chamber, the influence of the oxygen in the quantitative oxygen storage tank 15 entering the working chamber on the air pressure in the working chamber is small on the premise of ensuring that the oxygen injected into the working chamber for a single time is sufficient. In addition, the volume of the quantitative oxygen storage tank 15 is small, so that the quantitative oxygen storage tank is convenient to be arranged in the wound surface oxygenation negative pressure treatment system 100.
Other configurations and operations of the wound oxygenation and negative pressure device 100 according to embodiments of the utility model are known to those of ordinary skill in the art and will not be described in detail herein.
In the description of the present specification, reference to the terms "one embodiment," "some embodiments," "illustrative embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
While embodiments of the present utility model have been shown and described, it will be understood by those of ordinary skill in the art that: many changes, modifications, substitutions and variations may be made to the embodiments without departing from the spirit and principles of the utility model, the scope of which is defined by the claims and their equivalents.
Claims (10)
1. The wound surface oxygenation negative pressure device is characterized in that the wound surface oxygenation negative pressure device (100) is provided with a host machine (1), a communicating pipe (11), a vacuum pump (12), a wound surface pressure sensor (13), a main control unit (14), a quantitative oxygen storage tank (15), an oxygen inlet pipe (16), an oxygen outlet pipe (17) and an oxygen supply control valve (18) are arranged in the host machine (1), wherein:
the vacuum pump (12) and the wound pressure sensor (13) are both connected with the communicating pipe (11), and one end of the communicating pipe (11) is used for being connected with the waste tank (2);
the quantitative oxygen storage tank (15) is used for storing quantitative oxygen;
one end of the oxygen inlet pipe (16) is connected with the quantitative oxygen storage tank (15) and the other end is used for being connected with an oxygen supply source;
one end of the oxygen outlet pipe (17) is connected with the quantitative oxygen storage tank (15) and the other end is used for being connected with the wound surface application assembly (10);
the oxygen supply control valve (18) is connected with the oxygen inlet pipe (16) and the oxygen outlet pipe (17);
the main control unit (14) is in communication connection with the vacuum pump (12), the wound surface pressure sensor (13) and the oxygen supply control valve (18), the main control unit (14) is used for controlling the running state of the oxygen supply control valve (18), so that the oxygen inlet pipe (16) is cut off when being conducted, the oxygen outlet pipe (17) is cut off, the oxygen inlet pipe (16) is cut off when the oxygen outlet pipe (17) is conducted, and the oxygen inlet pipe (16) and the oxygen outlet pipe (17) are prevented from being conducted simultaneously.
2. The wound oxygenation negative pressure device according to claim 1, further comprising an oxygen pressure sensor (19) for detecting the air pressure of the oxygen supply source, the oxygen pressure sensor (19) being located within the host (1) and electrically connected with the main control unit (14).
3. Wound oxygenation negative pressure device according to claim 1, characterized in that one end of the oxygen inlet pipe (16) for connecting the oxygen supply source is provided with an inlet pipe joint (161), and the inlet pipe joint (161) is arranged on the surface of the host (1).
4. Wound oxygenation negative pressure device according to claim 1, characterized in that the oxygen supply control valve (18) is a solenoid valve.
5. The wound surface oxygenation negative pressure device according to claim 1, wherein the oxygen supply control valve (18) is a three-way valve having a first valve port, a second valve port and a third valve port, and being connected to the quantitative oxygen storage tank (15), the oxygen inlet pipe (16) and the oxygen outlet pipe (17), respectively, the first valve port being switchably communicated with one of the second valve port and the third valve port.
6. Wound oxygenation negative pressure device according to claim 1, characterized in that the oxygen supply control valve (18) comprises a first sub-valve (181) and a second sub-valve (182), the first sub-valve (181) is connected with the quantitative oxygen storage tank (15) and the oxygen inlet pipe (16), and the second sub-valve (182) is connected with the quantitative oxygen storage tank (15) and the oxygen outlet pipe (17).
7. The wound oxygenation negative pressure device of any one of claims 1-6, further comprising: the waste tank (2), waste tank (2) are located outside host computer (1) and connect communicating pipe (11), waste tank (2) are used for connecting surface of a wound is applied subassembly (10).
8. The wound oxygenation negative pressure device according to claim 7, wherein the waste tank (2) is detachably connected with the communicating pipe (11), and the waste tank (2) is disposable.
9. Wound oxygenation negative pressure device according to any of claims 1-6, characterized in that one end of the oxygen outlet tube (17) for connecting the wound application assembly (10) is provided with an outlet tube connector (171), the outlet tube connector (171) being located outside the host (1) or arranged on the surface of the host (1) so that the wound application assembly (10) can be removed from the outlet tube connector (171) when the wound application assembly (10) is a disposable consumable.
10. Wound oxygenation negative pressure device according to any of claims 1-6, characterized in that the volume of the dosing oxygen reservoir (15) is 3-50ml.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222215782.3U CN219440147U (en) | 2022-08-22 | 2022-08-22 | Wound surface oxygenation negative pressure device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222215782.3U CN219440147U (en) | 2022-08-22 | 2022-08-22 | Wound surface oxygenation negative pressure device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219440147U true CN219440147U (en) | 2023-08-01 |
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ID=87384110
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222215782.3U Active CN219440147U (en) | 2022-08-22 | 2022-08-22 | Wound surface oxygenation negative pressure device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219440147U (en) |
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2022
- 2022-08-22 CN CN202222215782.3U patent/CN219440147U/en active Active
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| GR01 | Patent grant | ||
| CB03 | Change of inventor or designer information |
Inventor after: Wu Yakun Inventor before: Yang Shuqing Inventor before: Wu Yakun Inventor after: Yang Shuqing Inventor before: Yang Shuqing Inventor before: Wu Yakun |
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| CB03 | Change of inventor or designer information |