Rewarming device for wounded

By designing a sleeping bag structure comprising an outer layer, an inner layer, and a sandwich layer, with a heating pad on the inner side of the inner layer (using electric or chemical heating) and equipped with a low-temperature resistant power supply battery and a temperature regulation system, the problem of power supply and inconvenience of carrying rewarming devices for wounded soldiers in the field is solved, achieving a convenient and efficient rewarming effect for wounded soldiers.

CN223845841UActive Publication Date: 2026-01-30天津医舸科技有限公司
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Patent Information

Application Number
CN202520211526.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-02-11
Publication Date
2026-01-30
Estimated Expiration
2035-02-11

AI Technical Summary

Technical Problem

Existing wounded rewarming devices are limited by the availability of water and electricity in the field, are bulky and inconvenient to carry, and are difficult to use effectively in the field.

Method used

A sleeping bag structure comprising an outer layer, an inner layer, and a sandwich layer has been designed. The inner layer has a heating pad on its inner side, which provides heat through an electric heating pad or a chemical heating pad. It uses a low-temperature resistant power supply battery and a temperature regulation system to ensure safety and portability.

Benefits of technology

It enables convenient and safe heat recovery for the wounded in the field. It has a simple structure, low cost, is easy to deploy and carry, and is suitable for temporary rescue.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model belongs to the field of rescue, and provides a wounded person rewarming device which comprises a sleeping bag body, the sleeping bag body comprises an outer layer and an inner layer, a warm-keeping layer is arranged between the outer layer and the inner layer, a heating pad is arranged on the inner side of the inner layer, and an interlayer is arranged on the inner side of the heating pad. The sleeping bag is simple in structure, convenient to use and low in manufacturing cost, heat is supplied only through the heating pad, an additional complex structure is not needed, the whole sleeping bag is in the form of the sleeping bag body, unfolding, storage and carrying are convenient, and temporary rescue is very convenient.
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Description

TECHNICAL FIELD

[0001] The utility model relates to rescue device technical field especially relates to a wounded rewarming device. BACKGROUND

[0002] The wounded rewarming device is medical equipment for recovering the body temperature of the wounded with low body temperature, and is crucial for preventing and treating hypothermia and improving the success rate of treating the wounded, the wounded rewarming device is generally divided into a body surface rewarming device, a body cavity rewarming device and an intravascular rewarming device, the body surface rewarming device is usually used for the wounded with mild to moderate hypothermia, the wounded with low temperature are more common in special environments such as high cold, plateau and wild field, and it is difficult to treat the wounded in the wild field, the wounded rewarming means and equipment used in the hospital environment are not applicable in the wild field environment, and the main reasons are as follows:

[0003] 1, the water supply and power supply conditions of the wild field environment are very limited, and it is difficult to build a high-temperature environment suitable for rewarming the wounded;

[0004] 2, the rewarming equipment used in the hospital is large in size, inconvenient to carry and poor in field adaptability.

[0005] After searching, the closest comparison file is found as follows:

[0006] The application number for a wounded rewarming sleeping bag for war field severe cold conditions and a heating method thereof discloses a scheme, which is composed of a phase change rewarming sleeping bag and a solar photovoltaic tent, the main part of the phase change rewarming sleeping bag is a rewarming sleeping bag body, the material mainly includes a phase change heat storage fiber layer and a graphene phase change heating layer, the tent body of the solar photovoltaic tent is provided with CIGS thin film solar cells on both sides, the electric energy is transmitted to the sleeping bag heating device through the circuit, and the rewarming sleeping bag body is connected to the sleeping bag heating device through the embedded lead wire; the invention adopts the solar photovoltaic tent as the heating source of the multiple sleeping bags, the CIGS thin film solar cells absorb the solar energy to provide the electric energy for the graphene phase change heating layer of the rewarming sleeping bag body, and the heat is transmitted to the phase change material in the phase change heat storage fiber layer, when the temperature of the rewarming sleeping bag body reaches the set temperature, the phase change rewarming sleeping bag after heating is completed is sent to the front line for use.

[0007] Although the application is improved compared with the hospital equipment, it is still very complicated and needs to build a tent for use, which is very inconvenient for temporary rescue.

[0008] In summary, a new technical solution is needed to solve the above technical problems. UTILITY MODEL CONTENT

[0009] The utility model provides a wounded rewarming device, including the sleeping bag body, the sleeping bag body includes the outer layer and the inner layer, is provided with the warm -keeping layer between the outer layer and the inner layer, the inner side of the inner layer is provided with the heating pad, the inner side of heating pad is provided with the interlayer.

[0010] As a preferred scheme, the interlayer is connected with the inner layer through a zipper.

[0011] As a preferred scheme, the periphery of the interlayer is connected with the inner layer of the sleeping bag body through a zipper.

[0012] As a preferred scheme, the heating pad adopts an electric heating pad, the electric heating pad comprises a heating pad body, heating wires are arranged in the heating pad body, the heating wires are connected with a power supply device through a power cable, the power supply device is arranged on the outer side of the sleeping bag body, the power cable extends from between the interlayer and the inner layer to the outer side of the sleeping bag body, and a temperature adjusting switch is arranged between the power supply device and the heating wires.

[0013] As a preferred scheme, a bimetallic strip temperature controller is arranged between the temperature adjusting switch and the heating wires.

[0014] As a preferred scheme, the power supply device adopts a low-temperature-resistant power supply battery.

[0015] As a preferred scheme, the power cable and the low-temperature-resistant power supply battery are connected through a waterproof connector.

[0016] As a preferred scheme, the heating pad adopts a chemical heat generating pad.

[0017] As a preferred scheme, the outer layer adopts a protective cloth.

[0018] As a preferred scheme, the warm -keeping layer adopts a cotton warm -keeping layer or a down warm -keeping layer.

[0019] As a preferred scheme, the material of the interlayer adopts a chemical fiber material or a cotton material.

[0020] As a preferred scheme, the upper portion of the sleeping bag body is provided with a head warm -keeping part.

[0021] The application has the advantages of simple structure, convenient use and low manufacturing cost, only needs to heat through the heating pad, does not need additional complex structure, and the whole is in the form of the sleeping bag body, is convenient to unfold, store and carry, and is very convenient for temporary rescue. BRIEF DESCRIPTION OF DRAWINGS

[0022] Figure 1 It is the structure schematic diagram of the utility model;

[0023] Figure 2 It is the layer structure schematic diagram of the sleeping bag body of the utility model;

[0024] Figure 3 is a circuit connection diagram of the electric heating pad;

[0025] BRIEF DESCRIPTION OF DRAWINGS

[0026] 1, sleeping bag body; 2, head warming part; 3, outer layer; 4, inner layer; 5, thermal layer; 6, heating pad; 7, interlayer; 8, electric heating pad; 9, heating pad body; 10, heating wire; 11, power cable; 12, power supply device; 13, temperature adjusting switch; 14, waterproof joint; 15, bimetallic strip temperature controller. DETAILED DESCRIPTION

[0027] Embodiment one:

[0028] The utility model provides a kind of wounded person rewarming device, including sleeping bag body 1, the shape of sleeping bag body 1 can use existing ordinary thermal sleeping bag shape, to warm the head of wounded person, with the sleeping bag in prior art, the upper portion of the sleeping bag body 1 of this embodiment is provided with head warming part 2;The sleeping bag body 1 includes outer layer 3 and inner layer 4, the outer layer 3 uses dacron and other protective cloth, the setting of protective cloth improves the wear resistance, windproof, waterproof capacity of sleeping bag body 1, and heat in sleeping bag body 1 can be prevented to a certain extent from emitting, inner layer 4 can use cotton and other materials, the outer layer 3 and inner layer 4 are provided with thermal layer 5 between, thermal layer 5 uses cotton thermal layer or down thermal layer, outer layer 3, inner layer 4, thermal layer 5 are connected by sewing etc., the inner side of the inner layer 4 is provided with heating pad 6 (inner side is the side close to wounded person when sleeping bag body 1 is used), the inner side of the heating pad 6 is provided with interlayer 7, the material of interlayer 7 selects chemical fiber material or cotton material and other good thermal materials, the interlayer 7 is close to wounded person, and contact with wounded person, the heat generated by heating pad 6 is transferred to wounded person, the interlayer 7 is connected with inner layer 4 by zipper, more specifically, interlayer 7 is fixed with the inner layer 4 of sleeping bag body 1 by zipper around, the length and width of interlayer 7 are less than or equal to the length and width of inner layer 4, for example less than, the length and width of heating pad 6, the length and width of interlayer 7 are equal, i.e. heating pad 6 can be fixed between interlayer 7 and inner layer 4, if the size of heating pad 6 is less than the size of interlayer 7, the edge of heating pad 6 can be sewn with inner layer 4, and also can be connected by adhesive buckle etc., then the connection of interlayer 7 and inner layer 4 is carried out by zipper, skilled personnel can be set according to specific conditions, the utility model is not specifically limited.

[0029] Embodiment two:

[0030] The embodiment is described to heating pad 6, specifically:

[0031] The heating pad 6 adopts an electric heating pad 8 fixed between the interlayer 7 and the inner layer 4. As described above, when the length and width of the electric heating pad 8 are equal to the length and width of the interlayer 7, the electric heating pad 8 can be clamped between the interlayer 7 and the inner layer 4. When the length and / or width of the electric heating pad 8 is / are less than the length and / or width of the interlayer 7, such as only the length of the electric heating pad 8 is less than the length of the interlayer 7, only the width of the electric heating pad 8 is less than the width of the interlayer 7, the length of the electric heating pad 8 is less than the length of the interlayer 4 and the width of the electric heating pad 8 is less than the width of the interlayer 7, if the electric heating pad 8 is not fixed, the electric heating pad 8 may move during use. At this time, the electric heating pad 8 can be first sewn and fixed with the inner layer 4 or the interlayer 7. It should be noted that the sewing is performed through the edge to avoid damaging the heating wire 10. The electric heating pad 8 can also be fixed by means of a hook-and-loop fastener. The hook-and-loop fastener is respectively fixed on the interlayer 7 and the electric heating pad 8 or the electric heating pad 8 and the inner layer 4 by sewing, bonding or other means, and then the electric heating pad 8 and the interlayer 7 or the electric heating pad 8 and the inner layer 4 are fixed by the hook-and-loop fastener. Preferably, the electric heating pad 8 is fixed with the inner layer 4, which has a better fixing effect.

[0032] The electric heating pad 8 comprises a heating pad body 9 made of insulating cloth. The heating pad body 9 is internally provided with a heating wire 10 connected with a power supply device 12 through a power supply cable 11. The power supply device 12 is arranged on the outside of the sleeping bag body 1. The power supply cable 11 extends from between the interlayer 7 and the inner layer 4 to the outside of the sleeping bag body 1. A temperature adjusting switch 13 is arranged between the heating wire 10 and the power supply device 12. The power supply device 12 adopts a low-temperature-resistant power supply battery. The power supply cable 11 is connected with the low-temperature-resistant power supply battery through a waterproof joint 14, which is convenient to install and ensures waterproof performance, and is more suitable for field environment. Preferably, in order to prevent burns caused by high heating temperature, a bimetallic strip temperature controller 15 is arranged in the heating pad body 9. The bimetallic strip temperature controller 15 is connected with the temperature adjusting switch 13 and the power supply device 12. When the temperature of the electric heating pad 8 exceeds the preset maximum temperature (usually 35-40 degrees), the bimetallic strip bends to a certain degree, pushes the contact apart, cuts off the circuit, and stops the electric heating pad 8 from heating. After the temperature decreases, the bimetallic strip returns to the original state, the contact is closed again, the circuit is connected, and the electric heating pad 8 continues to heat, which improves the safety of the application.

[0033] The specific connection mode is that the heating wire 10 is connected with the temperature adjusting switch 13, the bimetallic strip temperature controller 15 and the low-temperature-resistant power supply battery in sequence; the low-temperature-resistant power supply battery flows out current from the positive electrode, and the current flows through the temperature adjusting switch 13, the bimetallic strip temperature controller 15 and the heating wire 10 in sequence and returns to the negative electrode of the low-temperature-resistant power supply, so as to form a complete loop; the temperature adjusting switch 13 can manually control the on-off of the circuit, when the temperature adjusting switch 13 is closed, the current flows out from the low-temperature-resistant power supply battery, when the current reaches the bimetallic strip temperature controller 15 through the temperature adjusting switch 13, the bimetallic strip temperature controller 15 controls the opening and closing of its own contact according to the temperature change, and then controls whether the heating wire 10 is powered to heat; when the temperature reaches the set value, the bimetallic strip temperature controller 15 acts to cut off the circuit, and the heating wire 10 stops heating; when the temperature decreases, the bimetallic strip resets, the circuit is connected, and the heating wire 10 continues to work.

[0034] Embodiment three:

[0035] The difference between this embodiment and embodiment two is that the form of the heating pad is different, and the heating pad in this embodiment adopts a chemical heat generating pad. The chemical heat generating pad is connected with the inner layer 4 through a hook and loop fastener. After the zipper is pulled open, the chemical heat generating pad can be fixed on the interlayer 7 or the inner layer 4.

[0036] The chemical heat generating pad adopts a chemical heat generating pad in the prior art, and the present application does not make any improvement on it. Generally, it is composed of a chemical heat generating material and a non-woven fabric outer layer. The chemical heat generating material is mixed with iron powder, activated carbon, vermiculite and other materials in a certain proportion. The principle is the same as that of a self-heating patch, that is, the chemical heat generating material generates heat through chemical reaction after encountering air. The outer non-woven fabric layer is compounded with a microporous breathable film. The film can adjust the rate of air entering and thus adjust the heat generation speed, so as to achieve continuous and stable heat supply.

[0037] The working principle of the utility model is as follows: the wounded person to be transported is placed in the sleeping bag body, the sleeping bag body is arranged, the heating pad provides heat for the wounded person through electric heating or chemical self-heating, and rewarming of the wounded person is realized.

[0038] As described above, since the above technical scheme is adopted, the present application has the advantages of simple structure, convenient use and low manufacturing cost. Only the heating pad is needed for heat supply, without additional complex structure. The whole is in the form of a sleeping bag body, which is convenient to unfold, store and carry, and is very convenient for temporary rescue.

[0039] For those skilled in the art, the utility model is not limited to the details of the above exemplary embodiments, and can be realized in other specific forms without departing from the spirit or basic characteristics of the utility model; therefore, from any point of view, the embodiments should be regarded as exemplary and non-limiting, the scope of the utility model is defined by the appended claims rather than the above description, therefore, all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the utility model. Any reference signs in the claims should not be regarded as limiting the claims involved.

[0040] The above is only the preferred embodiment of the utility model, and is not used to limit the utility model, and any slight modification, equivalent replacement and improvement made according to the technical essence of the utility model to the above embodiments should be included in the protection scope of the technical scheme of the utility model.

Claims

1. A rewarming device for a wounded person, comprising a sleeping bag body (1) comprising an outer layer (3) and an inner layer (4), between which a thermal layer (5) is arranged, characterised in that, The inner side of the inner layer (4) is provided with a heating pad (6), and the inner side of the heating pad (6) is provided with a sandwich layer (7).

2. A device for rewarming a casualty according to claim 1, wherein The sandwich layer (7) is connected with the inner layer (4) through a zipper.

3. The device of claim 1, wherein the device is configured to be worn by the patient. The heating pad (6) adopts an electric heating pad (8), the electric heating pad (8) comprises a heating pad body (9), the inside of the heating pad body (9) is provided with a heating wire (10), the heating wire (10) is connected with a power supply device (12) through a power supply cable (11), the power supply device (12) is arranged on the outside of the sleeping bag body (1), the power supply cable (11) extends from between the sandwich layer (7) and the inner layer (4) to the outside of the sleeping bag body (1), and a temperature adjusting switch (13) is arranged between the power supply device (12) and the heating wire (10).

4. A device for rewarming a casualty according to claim 3, wherein A bimetallic strip temperature controller (15) is arranged between the temperature adjusting switch (13) and the heating wire (10).

5. A device for rewarming a casualty according to claim 3, wherein The power supply device (12) adopts a low-temperature-resistant power supply battery.

6. The device of claim 1, wherein, The heating pad (6) adopts a chemical heat generating pad.

7. The device of claim 1, wherein the device is configured to be worn by the patient. The outer layer (3) adopts a protective cloth.

8. The device of claim 1, wherein: The warm-keeping layer (5) adopts a cotton warm-keeping layer or a down warm-keeping layer.

9. The device of claim 1, wherein, The sandwich layer (7) adopts a chemical fiber material or a cotton material.

10. A hypothermia patient rewarming device according to any one of claims 1 to 9, wherein, The upper part of the sleeping bag body (1) is provided with a head warm-keeping part (2).

Citation Information

Patent Citations

  • Wounded person rewarming sleeping bag for severe cold conditions of battlefield and heating method of wounded person rewarming sleeping bag

    CN115736587A