CN209734300U - Novel ice bag - Google Patents
Novel ice bag Download PDFInfo
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- CN209734300U CN209734300U CN201920285658.XU CN201920285658U CN209734300U CN 209734300 U CN209734300 U CN 209734300U CN 201920285658 U CN201920285658 U CN 201920285658U CN 209734300 U CN209734300 U CN 209734300U
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 130
- 238000010521 absorption reaction Methods 0.000 claims abstract description 17
- 238000000926 separation method Methods 0.000 claims abstract description 9
- 239000000463 material Substances 0.000 claims abstract description 6
- 238000005192 partition Methods 0.000 claims description 11
- 125000006850 spacer group Chemical group 0.000 claims 1
- 239000003814 drug Substances 0.000 abstract description 6
- 230000009977 dual effect Effects 0.000 abstract 1
- 230000000694 effects Effects 0.000 description 23
- 238000001816 cooling Methods 0.000 description 20
- 230000008859 change Effects 0.000 description 8
- 239000011358 absorbing material Substances 0.000 description 7
- 210000003423 ankle Anatomy 0.000 description 5
- 238000009413 insulation Methods 0.000 description 5
- 230000002745 absorbent Effects 0.000 description 4
- 239000002250 absorbent Substances 0.000 description 4
- 230000002035 prolonged effect Effects 0.000 description 4
- 208000001034 Frostbite Diseases 0.000 description 3
- 230000008901 benefit Effects 0.000 description 3
- 238000010030 laminating Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 239000011347 resin Substances 0.000 description 3
- 229920005989 resin Polymers 0.000 description 3
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 2
- 210000002683 foot Anatomy 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 239000011810 insulating material Substances 0.000 description 2
- 239000012774 insulation material Substances 0.000 description 2
- 238000005057 refrigeration Methods 0.000 description 2
- 238000007493 shaping process Methods 0.000 description 2
- 238000010257 thawing Methods 0.000 description 2
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 235000011089 carbon dioxide Nutrition 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 229940079593 drug Drugs 0.000 description 1
- 238000007710 freezing Methods 0.000 description 1
- 230000008014 freezing Effects 0.000 description 1
- 239000012595 freezing medium Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000010446 mirabilite Substances 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- RSIJVJUOQBWMIM-UHFFFAOYSA-L sodium sulfate decahydrate Chemical compound O.O.O.O.O.O.O.O.O.O.[Na+].[Na+].[O-]S([O-])(=O)=O RSIJVJUOQBWMIM-UHFFFAOYSA-L 0.000 description 1
- 238000003911 water pollution Methods 0.000 description 1
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- Thermotherapy And Cooling Therapy Devices (AREA)
Abstract
The utility model provides a novel ice bag, relating to the field of medical appliances; comprises an ice bag body; a plurality of separation sheets are arranged in the ice bag body in parallel; the separation sheet divides the interior of the ice bag body into a plurality of spaces which are arranged in parallel; the space is sequentially provided with an air bag layer of the air bag, a cold source layer of the cold source, a water absorption layer of the water absorption material and a dressing layer for placing dressing. The utility model provides a novel ice bag has solved the problem of the ice bag function singleness among the prior art, has realized the dual effect of ice compress and compress with the medicine.
Description
Technical Field
The utility model relates to the field of medical equipment, especially, relate to a novel ice bag.
Background
The ice bag is a novel freezing medium, has no water pollution during thawing and thawing, can be repeatedly used, can be used for cooling and heating, has the effective use cooling capacity 6 times that of the same volume of ice, and can replace dry ice, ice blocks and the like. The types of the ice bags are simple and clear, and the ice bags are classified into reusable ice bags and disposable ice bags.
The conventional ice bag has at least the following disadvantages: the degree of fit with the joint of a patient is not high, and the cooling effect is poor; water vapor is easily generated in the using process, so that the affected part and clothes of a patient are polluted; the ice bag has short refrigeration time and poor cold compress effect; the ice bag cannot be in direct contact with the skin, and a towel or gauze and the like need to be wrapped outside the ice bag, so that on one hand, water can be absorbed to prevent water vapor from polluting an affected part, and on the other hand, heat can be insulated to prevent a patient from being injured by freezing, but the towel or gauze has poor water absorption effect, and the ice application temperature is difficult to control; the function is single, can only be used for cold compress.
SUMMERY OF THE UTILITY MODEL
To the above problem, the utility model provides a novel ice bag to solve the problem of the function singleness that exists among the prior art.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
The utility model provides a novel ice bag, which comprises an ice bag body; a plurality of separation sheets are arranged in the ice bag body in parallel; the separation sheet divides the interior of the ice bag body into a plurality of spaces which are arranged in parallel; the space is sequentially provided with an air bag layer of the air bag, a cold source layer of the cold source, a water absorption layer of the water absorption material and a dressing layer for placing dressing.
The utility model provides a novel ice bag, preferably, the gasbag includes a plurality of first gasbags that are used for pressurizing the cold source layer and a plurality of second gasbags that are used for compressing the edge of the cold source layer; the first air bags are arranged in the middle of the air bag layer; the second air bags are arranged around all the first air bags in a surrounding mode.
The utility model provides a novel ice bag, preferably, the first air bag is arranged on the partition sheet in the air bag layer; the first air bag is detachable from the separating sheet in the air bag layer; the second air bag is arranged on the partition sheet in the air bag layer; the second airbag is detachable from the separator in the airbag layer.
In the novel ice bag provided by the utility model, preferably, the first air bag is fixed on the partition sheet in the air bag layer through a magic tape; the second air bag is fixed on the partition sheet in the air bag layer through a magic tape; a burr surface is arranged on the partition sheet in the air bag layer; and the first air bag and the second air bag are provided with suede surfaces matched with the burr surfaces.
The novel ice bag provided by the utility model is preferably provided with only one second air bag; the second air bag is annular.
The utility model provides a novel ice bag, preferably, first gasbag is oval.
The utility model provides a novel ice bag, preferably, the cold source is the cold source that can shape.
The utility model provides a novel ice bag, preferably, the ice bag body is provided with an openable opening; the opening is opposite to the plurality of spaces.
The utility model provides a novel ice bag, preferably, ice bag body edge has the breach.
Above-mentioned technical scheme has following advantage or beneficial effect:
the air bag layer, the cold source layer, the water absorbing layer and the dressing layer are sequentially arranged in the ice bag body, and the air bag in the air bag layer pressurizes the cold source layer, so that the cold source layer is better attached to a human body, and the cooling effect is better; the gas in the first air bag and the second air bag can play a role in heat insulation, so that the refrigerating time of the cold source layer is prolonged; the water absorption layer absorbs water vapor to keep the affected part of the patient dry, so that the affected part and clothes are prevented from being polluted by the water vapor; the dressing layer is internally provided with the dressing, so that the novel ice bag provided by the utility model has the double effects of ice compress and medicine compress.
Drawings
The above features and advantages of the present invention will be better understood from the following detailed description of non-limiting embodiments thereof, taken in conjunction with the accompanying drawings. Like reference symbols in the various drawings indicate like elements. The drawings are not intended to be drawn to scale, emphasis instead being placed upon illustrating the principles of the invention.
Fig. 1 is a front view of a novel ice bag provided in embodiment 1 of the present invention;
Fig. 2 is a schematic view of an internal structure of an ice bag main body of the novel ice bag provided in embodiment 1 of the present invention;
Fig. 3 is a schematic structural diagram of an air bag layer of the novel ice bag provided in embodiment 1 of the present invention.
Detailed Description
the present invention will be further described with reference to the accompanying drawings and specific examples, which are not intended to limit the present invention.
Example 1:
As shown in fig. 1 to 3, a novel ice bag provided by embodiment 1 of the present invention includes an ice bag body 1; a plurality of separation sheets 12 are arranged in parallel in the ice bag body 1; the separating sheet 12 divides the interior of the ice bag body 1 into a plurality of spaces which are arranged in parallel; the space is sequentially provided with an air bag layer 2 of an air bag, a cold source layer 3 of a cold source, a water absorption layer 4 of a water absorption material and a dressing layer 5 for placing dressing; in order to facilitate production and wearing of a patient, specifically, the ice bag body 1 is arranged to be bag-shaped, the left side and the right side of the ice bag body 1 are respectively provided with a fixing band 11, the two fixing bands 11 are fixed through magic tapes, one fixing band 11 is provided with a burr surface, and the other fixing band 11 is provided with a burr surface matched with the burr surface, so that the novel ice bag can be conveniently fixed by the patient; the air bag layer 2 is arranged to pressurize the cold source layer 3, so that the cold source layer 3 is better attached to the human body, a better cooling effect is achieved, and the problems that the traditional ice bag is low in attachment degree with the human body and poor in cooling effect in the prior art are solved; moreover, the gas in the air bag layer 2 can play a role in heat insulation, so that the refrigerating time of the cold source layer 3 is prolonged, and the problem that the refrigerating time of the traditional ice bag in the prior art is short is effectively solved; the water absorption layer 4 is arranged to absorb the generated water vapor, so that the water vapor is prevented from polluting the affected part and clothes; by arranging the dressing layer 5, the affected part can be dressed with the medicine while the temperature is reduced, so that the novel ice bag provided by the embodiment 1 of the utility model has double effects of ice dressing and medicine dressing, avoids the complex operation of dressing the ice bag after dressing the medicine, is convenient and quick to operate, and effectively solves the problem of single function of the traditional ice bag in the prior art; in addition, the water absorption layer 4 and the dressing layer 5 also play a role in heat insulation, and the cold source layer 3 is prevented from directly contacting with the skin of a patient to cause discomfort or frostbite of the patient; preferably, when the affected part is not required to be dressed, the dressing in the dressing layer 5 can be replaced by the heat-insulating material, the temperature of the ice compress can be adjusted by adjusting the thickness of the heat-insulating material, the comfort level and the cooling effect of a patient are improved, and meanwhile, the refrigerating time of the cold source can be further prolonged.
As shown in fig. 2, when the ice bag is used, because the structures of various parts of the human body are different, the conventional ice bag is difficult to meet all the requirements of the patient, and for this purpose, the novel ice bag provided by embodiment 1 of the present invention comprises a plurality of first air bags 21 for pressurizing the cold source layer 3 and a plurality of second air bags 22 for compressing the edge of the cold source layer 3; the first air bags 21 are arranged in the middle of the air bag layer 2; the second air bags 22 are arranged around all the first air bags 21; the second airbag 22 is circumferentially arranged on the edge inside the airbag layer 2; when in use, the first air bags 21 in the center of the air bag layer 2 pressurize the cold source layer 3 to ensure that the novel ice bag is attached to the affected part of a patient, thereby achieving better cooling effect; however, the local pressurization of cold source layer 3 leads to cooling source layer 3 to stick up all around easily, leads to novel ice bag can not laminate the human body completely, and the cooling effect variation, consequently, the utility model discloses the novel ice bag that embodiment 1 provided prevents cooling source layer 3 from sticking up all around through the second gasbag 22 pressurization through encircleing around first gasbag 21, increases cooling source layer 3 and human laminating degree, reinforcing cooling effect.
More preferably, in order to meet the use requirements of patients to a greater extent, the embodiment 1 of the present invention provides a novel ice bag, wherein the first air bag 21 is disposed on the partition sheet 12 in the air bag layer 2; the first air bag 21 is detachable from the separating sheet 12 in the air bag layer 2; the second airbag 22 is disposed on the separator 12 in the airbag layer 2; the second air bag 22 is detachable from the separation sheet 12 in the air bag layer 2; the first air bag 21 has better pressurizing effect on the cold source layer 3 by disassembling and replacing different first air bags 21, and the cold source layer 3 can be better attached to the human body, so that the cooling effect of the novel ice bag is better; if the first air bag 21 is too large when the joint of the ankle of the patient is cooled, the novel ice bag cannot be completely attached to the human body even if the first air bag 21 is used; or more pressure is required to achieve the desired fit, but excessive pressure tends to cause discomfort to the patient; at this time, the smaller first air bag 21 is replaced, so that the pressurizing action point of the first air bag 21 on the cold source layer 3 is smaller and more specific, the fit degree of the cold source layer 3 and the human body is higher, and the cooling effect of the novel ice bag is improved; similarly, the oversized second bladder 22 is difficult to make the edge of the cold source layer 3 fit the human body completely, and at this time, the larger second bladder 22 is replaced with a smaller second bladder 22; through such design, make the utility model discloses the novel ice bag that embodiment 1 provided can be applicable to patient's the overwhelming majority of circumstances, and the laminating degree is high, and it is effectual to cool down.
more preferably, the first airbag 21 is fixed on the partition sheet 12 in the airbag layer 2 by a hook and loop fastener; the second air bag 22 is fixed on the separating sheet 12 in the air bag layer 2 through a magic tape; the separation sheet 12 in the air bag layer 2 is provided with a burr surface; the first air bag 21 and the second air bag 22 are provided with suede surfaces matched with the burr surfaces; during the use, can select first gasbag 21 and second gasbag 22 of appropriate position installation as required, the quantity and the specification of first gasbag 21 and second gasbag 22 all can be selected by oneself according to actual conditions to carry out the most effective pressurization to cold source layer 3, make cold source layer 3 more laminate the human body, play better cooling effect, accelerate patient's recovery speed.
More preferably, only one second balloon 22 is provided; the second balloon 22 is annular; only one suitable second bladder 22 needs to be selected to compress the edges of the cold source layer 3; and only one second air bag 22 is arranged, so that the installation and the disassembly are convenient; of course, the second bladder 22 may be configured in other shapes to accommodate other particular situations.
More preferably, the first balloon 21 is elliptical.
The traditional ice bag has high hardness and poor shaping effect, is easy to cause discomfort of patients, has low fitting degree with human bodies, and has poor cooling effect; therefore, the embodiment of the utility model provides a novel ice bag adopts the cold source of can shaping, like ethanol ice bag, glauber's salt ice bag etc. patient's comfort level is high, thereby the first gasbag 21 of being convenient for simultaneously and second gasbag 22 make its deformation laminate the human body to its pressurization, and the cooling effect is better.
More preferably, the ice bag body 1 is provided with an openable opening, and the opening is opposite to the plurality of spaces, so that the opening is conveniently opened to replace the air bag, the cold source, the water absorbing material and the dressing in each space in the ice bag body; specifically, the ice bag body 1 is square, the opening 13 is arranged on one side edge of the ice cover body 1 perpendicular to the left side and the right side, and the opening 13 is opened or closed through a zipper or other modes capable of opening and closing the opening 13; when the cold source needs to be replaced, only the opening 13 of the ice bag main body 1 needs to be opened, then the old cold source in the cold source layer 3 is taken out, and a new cold source is filled in, the whole novel ice bag does not need to be taken down, the operation is convenient and rapid, and a patient can select the type of the ice bag according to the requirement and then place the ice bag in the cold source layer 3; when the water-absorbing material needs to be replaced, the opening 13 of the ice bag main body 1 is opened, then the old water-absorbing material in the water-absorbing layer 4 is taken out, and the new water-absorbing material is filled in, so that the affected part of the patient is kept dry all the time, and the affected part and clothes of the patient are prevented from being polluted by water vapor; meanwhile, the water absorbing material can be replaced without taking down the whole novel ice bag, and the operation is convenient and rapid; when dressing change is needed, the whole novel ice bag does not need to be taken down, the opening 13 of the ice bag main body 1 is only needed to be opened, then the old dressing in the dressing layer 5 is taken out, and new dressing is filled, so that the dressing change is convenient and rapid; when not needing the dressing, also conveniently pack into thermal insulation material in dressing layer 5, adjust the temperature of ice compress through the thickness of adjusting thermal insulation material, prevent that the temperature from crossing excessively to cause the frostbite to the patient, improve patient's comfort level, can further prolong the refrigeration time of cold source simultaneously.
More preferably, the edge of the ice bag body 1 is provided with a notch; specifically, the shapes of an air bag layer 2, a cold source layer 3, a water absorbing layer 4 and an auxiliary material layer 5 in an ice bag body 1 are consistent with that of the ice bag body 1, the structure can be used for cold compress of joints and some special parts of a human body, for example, when the cold compress is carried out on the foot surface, the ice bag body 1 is tightly attached to the affected part of the foot surface, a gap is abutted to the ankle of a patient, and after the ankle is fixed through a fixing belt, the ankle of the patient is exposed, so that the ankle movement cannot be influenced; in addition, if carry out the cold compress to human armpit position, the edge breach of ice bag body 1 up, with human armpit department laminating, avoid the upper edge of ice bag diaphragm to patient's armpit to arouse patient's discomfort.
With the increase of the service life of the novel ice bag, the pressure of the first air bag 21 and the pressure of the second air bag 22 often need to be properly adjusted, so that the pressure of the first air bag 21 and the pressure of the second air bag 22 of the novel ice bag provided by embodiment 1 of the present invention can be adjusted, and specifically, the first air bag 21 and the second air bag 22 are provided with pressure adjusting holes (not shown in the figure); only need when needing to adjust first gasbag 21 and/or second gasbag 22 pressure directly to corresponding first gasbag 21 and/or second gasbag 22 carry out pressure control can, need not to change the first gasbag 21 and/or the second gasbag 22 of different pressures, practice thrift the cost of purchasing the gasbag, make things convenient for the patient to use.
More preferably, the water absorbing material is a super absorbent resin; the super absorbent resin has the characteristics of insolubility in water, insolubility in organic solvent, capability of absorbing water which is hundreds to thousands of times of the self weight and the like, has strong water retention property, can not be extruded even if pressurized water is extruded, and solves the problem of poor water absorption effect of adopting towels or gauzes to absorb water in the prior art.
When the novel ice bag provided by the embodiment 1 of the utility model is used, the dressing is put into the dressing layer 5, the super absorbent resin is put into the water absorption layer 4, the cold source is put into the cold source layer 3, and then the novel ice bag is applied to the affected part of a patient and fixed as required; then, according to the needs, selecting first air bags 21 with proper specifications and proper quantity, adjusting the pressure of each first air bag 21, then installing each first air bag 21 at the required position, then selecting second air bags 22 with proper specifications according to the needs, adjusting the pressure of the second air bags 22 to pressurize the edge of the cold source layer 3, enabling the cold source layer 3 to be further attached to the human body, finally closing the openings 13 of the ice bag main body 1, and being convenient and rapid to use; in the use of novel gasbag, need not to pull down whole novel gasbag, can realize operations such as the change of first gasbag 21 and second gasbag 22, the pressure regulation of first gasbag 21 and second gasbag 22, the change of cold source, the change of absorbent material, the change of dressing.
In summary, the novel ice bag provided by the utility model has the advantages that the air bag layer pressurizes the cold source layer through the air bag layer, the cold source layer, the water absorption layer and the dressing layer which are sequentially arranged in the ice bag body, so that the cold source layer is better attached to a human body, and the cooling effect is better; the gas in the first air bag and the second air bag can play a role in heat insulation, so that the refrigerating time of the cold source layer is prolonged; the water absorption layer absorbs water vapor to keep the affected part of the patient dry, so that the affected part and clothes are prevented from being polluted by the water vapor; the dressing layer is internally provided with the dressing, so that the novel ice bag provided by the utility model has double effects of ice compress and drug compress; the water absorption layer and the dressing layer also play a role in heat insulation, and the cold source layer is prevented from being directly contacted with the skin of a patient to cause discomfort or frostbite of the patient; the cold source layer is pressurized by the first air bags, and the edges of the cold source layer are compressed by the second air bags, so that the cold source layer is better attached to a human body, and the cooling effect is improved; the first air bag, the second air bag, the cold source, the water absorbing material and the dressing are convenient to replace and simple to operate.
those skilled in the art will appreciate that variations may be implemented by those skilled in the art in combination with the prior art and the above-described embodiments, and will not be described in detail herein. Such variations do not affect the essence of the present invention, and are not described herein.
The above description is directed to the preferred embodiment of the present invention. It is to be understood that the invention is not limited to the particular embodiments described above, and that devices and structures not described in detail are understood to be implemented in a manner common in the art; the person skilled in the art, without affecting the essence of the invention, may make numerous possible variations and modifications, or may modify the equivalent embodiments, without departing from the technical solution of the invention. Therefore, any simple modification, equivalent change and modification made to the above embodiments by the technical entity of the present invention all still fall within the protection scope of the technical solution of the present invention, where the technical entity does not depart from the content of the technical solution of the present invention.
Claims (9)
1. A novel ice bag is characterized by comprising an ice bag body; a plurality of separation sheets are arranged in the ice bag body in parallel; the separation sheet divides the interior of the ice bag body into a plurality of spaces which are arranged in parallel; the space is sequentially provided with an air bag layer of the air bag, a cold source layer of the cold source, a water absorption layer of the water absorption material and a dressing layer for placing dressing.
2. The novel ice bag as claimed in claim 1, wherein the air bags comprise a plurality of first air bags for pressurizing the cold source layer and a plurality of second air bags for pressing the edge of the cold source layer; the first air bags are arranged in the middle of the air bag layer; the second air bags are arranged around all the first air bags in a surrounding mode.
3. A novel ice bag according to claim 2 wherein said first bladder is disposed on said partition within said bladder layer; the first air bag is detachable from the separating sheet in the air bag layer; the second air bag is arranged on the partition sheet in the air bag layer; the second airbag is detachable from the separator in the airbag layer.
4. A novel ice bag according to claim 2 wherein said first bladder is secured to said spacer within said bladder layer by hook and loop fasteners; the second air bag is fixed on the partition sheet in the air bag layer through a magic tape; a burr surface is arranged on the partition sheet in the air bag layer; and the first air bag and the second air bag are provided with suede surfaces matched with the burr surfaces.
5. A novel ice bag according to claim 2 wherein only one said second bladder is provided; the second air bag is annular.
6. A novel ice bag as claimed in claim 2 wherein said first bladder is oval in shape.
7. The novel ice bag of claim 1 wherein said heat sink is a moldable heat sink.
8. A novel ice bag as claimed in any one of claims 1 to 7 wherein the ice bag body is provided with an openable opening; the opening is opposite to the plurality of spaces.
9. A novel ice bag as claimed in claim 8 wherein the edges of the body of the ice bag are notched.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920285658.XU CN209734300U (en) | 2019-03-06 | 2019-03-06 | Novel ice bag |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920285658.XU CN209734300U (en) | 2019-03-06 | 2019-03-06 | Novel ice bag |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209734300U true CN209734300U (en) | 2019-12-06 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201920285658.XU Active CN209734300U (en) | 2019-03-06 | 2019-03-06 | Novel ice bag |
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| Country | Link |
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| CN (1) | CN209734300U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111920571A (en) * | 2020-08-31 | 2020-11-13 | 天津市普瑞仪器有限公司 | Heat supply module and wounded rewarming bag using same |
-
2019
- 2019-03-06 CN CN201920285658.XU patent/CN209734300U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111920571A (en) * | 2020-08-31 | 2020-11-13 | 天津市普瑞仪器有限公司 | Heat supply module and wounded rewarming bag using same |
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