Wound emergency treatment assembly

Abstract

The utility model discloses a wound emergency treatment assembly which comprises a fixing layer, a gel isolation layer and a medicine carrier water-soluble layer, the gel isolation layer is arranged between the medicine carrier water-soluble layer and the fixing layer, medicine is loaded on the medicine carrier water-soluble layer, and the medicine carrier water-soluble layer is used for being in direct contact with a wound and can be dissolved after meeting water to release the medicine to the wound. The fixing layer is used for covering the outer sides of the gel isolation layer and the drug carrier water-soluble layer and is fixed to the skin, and the gel isolation layer can form gel after meeting water so as to prevent the fixing layer from making contact with the wound. The wound emergency treatment assembly contains medicine components used for emergency treatment, when used, the wound emergency treatment assembly can be directly attached to a wound to rapidly release medicine, multiple kinds of medicine do not need to be carried and used additionally, carrying is convenient, the use speed is high, rapid emergency use in emergency environments such as battlefields can be well met, and the wound emergency treatment assembly is worthy of popularization and application. The fixing layer is not in contact with the skin under the isolation effect of the gel isolation layer and is easily separated from the wound during separation, so that pain is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to a wound emergency treatment article technical field, especially in a kind of wound emergency treatment assembly. BACKGROUND

[0002] In some complex dangerous and emergency environment, such as on the battlefield, personnel can be wounded or burned, etc., after injury, wound needs emergency treatment, including hemostasis, analgesia, inflammation and bandaging etc. treatment, after emergency treatment, personnel can be put into battle again when injury is lighter, if injury is heavier, it is helpful to transfer to avoid injury further aggravation.

[0003] At present, medical personnel needs to carry medical kit containing multiple drugs and gauze etc. article, first with corresponding function drug spray or daub and wipe on wound, then gauze is covered and wound is bandaged. In this way, medical kit is larger, inconvenient to carry and easy to damage;And wound treatment is divided into different drugs multiple steps, wound treatment speed is relatively slow, can not meet the emergency treatment requirement of tense rhythm on the battlefield;In addition, after using gauze to bandage wound, gauze is easy to adhere to wound, resulting in obvious pain of wounded when gauze is opened and separated from wound in subsequent nursing treatment. UTILITARIAN CONTENT

[0004] The main purpose of the utility model is to propose a kind of wound emergency treatment assembly, to solve the technical problems of the prior art in the emergency environment such as battlefield, wound emergency treatment article is inconvenient to carry, the emergency treatment speed of wound is slower, and pain is easy to produce when separating from wound after being bandaged with gauze.

[0005] To achieve the above-mentioned purpose, the utility model provides a kind of wound emergency treatment assembly, including fixed layer, gel isolation layer and drug carrier water-soluble layer, the gel isolation layer is located between the drug carrier water-soluble layer and the fixed layer, the drug carrier water-soluble layer is attached with drug, the drug carrier water-soluble layer is used to directly contact with wound and can dissolve and release drug to wound after meeting water, the fixed layer is used to cover the outside of the gel isolation layer and the drug carrier water-soluble layer and is fixed with skin, the gel isolation layer can form gel to block the fixed layer from contacting wound after meeting water.

[0006] In the emergency treatment of wounds, the water-soluble layer of the drug carrier is attached to the wound, and the water-soluble layer of the drug carrier carries the drug components used for emergency treatment, such as hemostatic, anti-inflammatory, and analgesic drugs. When the water-soluble layer of the drug carrier encounters water-containing liquid such as blood on the wound, the water-soluble layer of the drug carrier will quickly dissolve, and after dissolution, the drug components are released into the wound to take effect. The gel isolation layer can form a gel to stick to the wound after encountering water, keeping the wound moist, and can absorb the tissue exudate exuded from the wound, and can also isolate foreign objects, and is easy to separate from the wound to reduce the pain. The fixing layer is fixed on the outside of the gel isolation layer and the water-soluble layer of the drug carrier and the skin, which can fix the wound and protect the wound, and the gel isolation layer can prevent the fixing layer from contacting the wound to prevent the fixing layer from adhering to the wound.

[0007] The wound emergency treatment assembly contains drug components used for emergency treatment, which can release drugs directly when attached to the wound, without the need to carry and use multiple drugs, making it more convenient to carry and faster to use, which can better meet the rapid emergency use in battlefield and other emergency environments, and the fixing layer does not contact the skin under the isolation of the gel isolation layer, and is easy to separate from the wound to reduce pain.

[0008] Preferably, the water-soluble layer of the drug carrier comprises a water-soluble nanofiber carrier film, and the water-soluble nanofiber carrier film carries drugs.

[0009] In the preparation of the water-soluble layer of the drug carrier, the drug is added to the spinning solution, and the spinning solution forms a water-soluble nanofiber carrier film by electrospinning technology, and the drug can be carried on the water-soluble nanofiber carrier film, which can be quickly and uniformly released after water-solubilization.

[0010] Preferably, the water-soluble layer of the drug carrier is deposited and fixed on the gel isolation layer by electrospinning.

[0011] In the production of the water-soluble layer of the drug carrier, the gel isolation layer is used as the base material, and the water-soluble layer of the drug carrier is deposited and fixed on the gel isolation layer, which is convenient to produce, and the gel isolation layer provides mechanical support for the water-soluble layer of the drug carrier.

[0012] Preferably, the material of the water-soluble nanofiber carrier film is one or a combination of PVA, PEO, PEG, gelatin, collagen, and polysaccharide. These materials can quickly dissolve to release drugs after encountering water, have little effect on drug efficacy, and have low irritation to the wound, causing little impact on the wound.

[0013] Preferably, the gel isolation layer is a non-woven fabric comprising a combination of hydrophilic fibers and support fibers, the hydrophilic fibers can absorb water and swell to form a gel when encountering water, and the support fibers can provide a support structure after the hydrophilic fibers form a gel.

[0014] After the hydrophilic fibers absorb water to form a gel, the supporting fibers provide a skeleton support within the gel, making the gel less likely to shift and separate, and still able to adhere to the wound when the limb is moved or touched by external force, maintaining the contact between the fixed layer and the wound.

[0015] Preferably, the material of the hydrophilic fibers is carboxymethyl fiber, calcium alginate fiber or cellulose fiber. These materials can form a gel after absorbing water, and have low irritation to the wound and less impact on the wound.

[0016] Preferably, the supporting fibers include a PP inner core and a PE outer layer wrapped outside the PP inner core. The supporting fibers have good mechanical properties and can provide good skeleton support to better protect the wound.

[0017] Preferably, the fixed layer is a nanofiber waterproof and breathable membrane. The nanofiber waterproof and breathable membrane can prevent external water from entering the wound while maintaining the breathability of the wound.

[0018] Preferably, the material of the nanofiber waterproof and breathable membrane is PU or TPU.

[0019] Using these materials can produce a nanofiber membrane with waterproof and breathable properties, and the nanofiber membrane has a certain elasticity, which can form pressure on the wound, better stop bleeding and pain, and protect the wound.

[0020] Preferably, the wound emergency treatment assembly includes a first package and a second package arranged separately.

[0021] In packaging, the gel isolation layer and the water-soluble layer of the drug carrier are arranged in the first package, and the fixed layer is arranged in the second package.

[0022] In emergency treatment, the fixed layer, the gel isolation layer and the water-soluble layer of the drug carrier are combined into a three-layer structure.

[0023] For minor injuries such as superficial abrasions or minor burns, the fixed layer can be directly applied to the wound for wound protection, avoiding pain caused by sweat or other foreign matter touching the wound during exercise, and affecting the fighting capacity; when the injury is more serious, the gel isolation layer and the water-soluble layer of the drug carrier can be applied to the wound first, and then the fixed layer is wrapped outside.

[0024] Preferably, the second package contains a plurality of fixed layers. According to the actual wound area and other conditions, different numbers of fixed layers can be used for splicing. BRIEF DESCRIPTION OF DRAWINGS

[0025] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the following will briefly introduce the drawings needed to be used in the embodiments or prior art description. Obviously, the drawings described below only constitute some of the embodiments of the present application, and for those skilled in the art, other drawings can also be obtained according to the structures shown in these drawings without creative labor.

[0026] Fig. 1 It is a structure schematic view of the wound emergency treatment assembly of the present application;

[0027] Fig. 2 It is a structure schematic view when the wound emergency treatment assembly of the present application is pasted on the wound;

[0028] Fig. 3 It is a structure schematic view of the first package and the second package of the wound emergency treatment assembly of the present application.

[0029] In the drawings: 1-fixed layer, 2-gel isolation layer, 3-drug carrier water-soluble layer, 4-first package, 5-second package, 6-wound.

[0030] The implementation, functional features and advantages of the present application will be further described with reference to the embodiments and the accompanying drawings. DETAILED DESCRIPTION

[0031] The technical solutions in the embodiments of the present application will be described clearly and completely below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments only constitute some of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0032] It should be noted that if the embodiments of the present application involve directional indications, such as up, down, left, right, front, back, etc., the directional indications are only used to explain the relative position relationship, movement condition, etc. between the components in a certain specific posture, and if the specific posture changes, the directional indications will also change accordingly.

[0033] In addition, if the description of "first", "second" and the like is involved in the embodiments of the present application, the description of "first", "second" and the like is only for the purpose of description, and cannot be understood as indicating or implying the relative importance of the technical features or implicitly indicating the number of the indicated technical features. Therefore, the features limited by "first", "second" can be explicitly or implicitly included at least one of the features. In addition, the technical solutions of each embodiment can be combined with each other, but it must be based on the realization of the technical personnel in the art, when the combination of the technical solutions appears contradictory or cannot be realized, it should be considered that the combination of the technical solutions does not exist, nor in the protection scope required by the present application.

[0034] As shown in Figs. 1 to 3 An emergency wound treatment assembly includes a fixation layer 1, a gel isolation layer 2 and a water-soluble drug carrier layer 3, the gel isolation layer 2 is arranged between the water-soluble drug carrier layer 3 and the fixation layer 1, the water-soluble drug carrier layer 3 is attached with drugs, the water-soluble drug carrier layer 3 is used for direct contact with the wound and can dissolve to release drugs to the wound after meeting water, the fixation layer 1 is used for covering the outside of the gel isolation layer 2 and the water-soluble drug carrier layer 3 and is fixed with the skin, and the gel isolation layer 2 can form a gel to block the fixation layer 1 from contacting the wound after meeting water.

[0035] In the emergency treatment of the wound, the water-soluble drug carrier layer 3 is attached to the wound 6, the water-soluble drug carrier layer 3 is attached with drug components used for emergency treatment, the drug components can have the effects of hemostasis, analgesia, anti-inflammatory and the like according to the use requirement, when the water-soluble drug carrier layer 3 meets the liquid containing water (such as blood, body tissue liquid, saliva and the like) on the wound, the water-soluble drug carrier layer 3 will dissolve rapidly without additional water source, and the drug components are released into the wound to take effect after dissolving; the gel isolation layer 2 can form a gel to stick to the wound after meeting water, keep the wound moist, can absorb the tissue exudate exuded from the wound in the subsequent process, and play a role in isolating foreign matters, and is easy to separate from the wound to reduce the pain; the fixation layer 1 is fixed with the skin outside the gel isolation layer 2 and the water-soluble drug carrier layer 3, plays a role in fixing to avoid displacement and protecting the wound, and the gel isolation layer 2 can block the fixation layer 1 from contacting the wound to avoid the fixation layer 1 from adhering to the wound.

[0036] The emergency wound treatment assembly contains drug components used for emergency treatment, can release drugs directly when used on the wound, does not need to carry and use multiple drugs additionally, is convenient to carry, is water-free, is easy to store, has a relatively fast use speed, can better meet the rapid emergency use in the emergency environment such as battlefield, and the fixation layer 1 does not contact the skin under the isolation of the gel isolation layer 2, is easy to separate from the wound to reduce the pain when separated.

[0037] In some embodiments, the water-soluble drug carrier layer 3 comprises a water-soluble nanofiber carrier film, and the water-soluble nanofiber carrier film is loaded with drugs having hemostatic, analgesic, anti-inflammatory and other effects.

[0038] In the preparation of the water-soluble drug carrier layer 3, the drug component is added to the spinning solution, and the spinning solution is formed into fibers and deposited into a water-soluble nanofiber carrier film by the electrospinning process, and the drugs can be loaded on the water-soluble nanofiber carrier film as the spinning solution is deposited, and can be released quickly and uniformly after water-solubilization.

[0039] Further, the water-soluble drug carrier layer 3 is deposited and fixed on the gel isolation layer 2 by electrospinning.

[0040] In the production of the water-soluble drug carrier layer 3, the gel isolation layer 2 is used as the base material, and the water-soluble drug carrier layer 3 is deposited and fixed on the gel isolation layer 2, which is convenient for production, and the gel isolation layer 2 provides mechanical support for the water-soluble drug carrier layer 3. In other embodiments, the water-soluble drug carrier layer 3 and the gel isolation layer 2 can also be formed separately and then attached together.

[0041] Further, the material of the water-soluble nanofiber carrier film is one or a combination of PVA (polyvinyl alcohol), PEO (polyethylene oxide), PEG (polyethylene glycol), gelatin, collagen and polysaccharides.

[0042] These materials can quickly dissolve to release drugs after encountering water, have less effect on drug efficacy, and have less irritation to wounds.

[0043] The water-soluble drug carrier layer 3 can be produced using existing processes, such as preparing an aqueous solution with a PVA content of 1%-15%, adding anti-inflammatory, analgesic and hemostatic drugs in a certain proportion and stirring uniformly, and the proportion of the drugs can be adjusted according to actual conditions; then spraying the drugs onto the base material of the gel isolation layer 2 by electrospinning process to form a dry composite sheet with the gel isolation layer 2; and then cutting and sterilizing the composite sheet for packaging.

[0044] In some embodiments, the gel isolation layer 2 is a non-woven fabric comprising a combination of hydrophilic fibers and support fibers, the hydrophilic fibers can swell to form a gel when encountering water, and the support fibers can provide a support structure after the hydrophilic fibers form a gel.

[0045] After the hydrophilic fibers swell to form a gel, the support fibers provide a skeletal support function in the gel, making the gel less likely to shift and separate, and still able to adhere to the wound when the limb is moved or touched by external force, maintaining the contact between the blocking and fixing layer 1 and the wound.

[0046] Further, the material of the hydrophilic fiber is carboxymethyl fiber, calcium alginate fiber or cellulose fiber, etc. These materials can become gel after absorbing water, and have low irritation to the wound and less impact on the wound.

[0047] Further, the support fiber includes a PP (polypropylene) inner core and a PE (polyethylene) outer layer wrapped on the outer side of the PP inner core. The support fiber has good mechanical properties and can play a good skeleton supporting role to better protect the wound.

[0048] The gel isolation layer 2 is prepared by mixing the support fiber with the outer layer PE and the inner layer PP and the hydrophilic fiber, and then performing the processes of carding, laying, hot rolling or needling to prepare a non-woven fabric. The proportion of the support fiber to the hydrophilic fiber is 1:9-9:1. The non-woven fabric produced by this method has good mechanical supporting performance and water absorption and swelling performance, and plays a role in protecting the wound and avoiding adhesion. In addition, the gel isolation layer 2 serves as a carrier substrate of the drug carrier water-soluble layer 3, and provides good mechanical support.

[0049] In some embodiments, the fixing layer 1 is a nanofiber waterproof and breathable film. The nanofiber waterproof and breathable film can prevent external water from entering the wound while maintaining the breathability of the wound. In other embodiments, the fixing layer 1 can also be gauze.

[0050] Further, the material of the nanofiber waterproof and breathable film is PU (polyurethane) or TPU (thermoplastic polyurethane), etc.

[0051] Using these materials can produce a nanofiber film with waterproof and breathable properties. At the same time, the nanofiber film has a certain elasticity, which can form pressure on the wound, better stop bleeding and pain, and protect the wound.

[0052] Further, the fixing layer 1 is provided with adhesive, and the fixing layer 1 can be directly pasted on the skin outside the wound, which is convenient for fixing.

[0053] Further, the fixing layer 1 is coated with an antibacterial layer, or the fixing layer 1 is loaded with an antibacterial material, which plays a role in external antibiosis.

[0054] In some embodiments, referring to Fig. 3 , the wound emergency treatment assembly includes a first package 4 and a second package 5 arranged separately;

[0055] When packaging, the gel isolation layer 2 and the drug carrier water-soluble layer 3 are arranged in the first package 4, and the fixing layer 1 is arranged in the second package 5;

[0056] When treating in an emergency, the fixing layer 1, the gel isolation layer 2 and the drug carrier water-soluble layer 3 are combined into a three-layer structure by tearing the package.

[0057] For light injury such as skin abrasion or slight burn, the fixing layer 1 can be directly attached to the wound to protect the wound, so as to avoid the pain caused by sweat or other sundries touching the wound during exercise, and affect the fighting capacity; when the injury is serious, the gel isolation layer 2 and the water-soluble drug carrier layer 3 are first attached to the wound, and then the fixing layer 1 is attached to the outside.

[0058] Further, a plurality of fixing layers 1 are arranged in the second package 5. According to the actual wound area and the like, different numbers of fixing layers 1 can be used for splicing.

[0059] The above only describes the preferred embodiments of the present application, and does not limit the patent range of the present application. Any equivalent structural transformation, direct / indirect application in other related technical fields, or the like made by using the content of the present application specification and drawings under the utility model concept of the present application is included in the patent protection range of the present application.

Claims

1. A wound emergency treatment assembly, characterized in that, The wound emergency treatment assembly comprises a fixing layer (1), a gel isolation layer (2) and a water-soluble drug carrier layer (3), the gel isolation layer (2) is arranged between the water-soluble drug carrier layer (3) and the fixing layer (1), the water-soluble drug carrier layer (3) is attached with drugs, the water-soluble drug carrier layer (3) is used for directly contacting the wound and can dissolve to release the drugs to the wound after meeting water, the fixing layer (1) is used for covering the outside of the gel isolation layer (2) and the water-soluble drug carrier layer (3) and is fixed with the skin, and the gel isolation layer (2) can form a gel to block the fixing layer (1) from contacting the wound after meeting water.

2. The wound emergency treatment assembly of claim 1, wherein, The water-soluble drug carrier layer (3) comprises a water-soluble nanofiber carrier film, and the water-soluble nanofiber carrier film is attached with drugs.

3. The wound emergency treatment assembly of claim 2, wherein, The water-soluble drug carrier layer (3) is fixed on the gel isolation layer (2).

4. The wound emergency treatment assembly of claim 2, wherein, The material of the water-soluble nanofiber carrier film is one of PVA, PEO, PEG, gelatin, collagen and polysaccharide.

5. The wound emergency treatment assembly of claim 1, wherein, The gel isolation layer (2) is a non-woven fabric comprising a hydrophilic fiber and a supporting fiber, the hydrophilic fiber can absorb water to swell and form a gel when meeting water, and the supporting fiber can provide a supporting structure after the hydrophilic fiber forms the gel.

6. The wound emergency treatment assembly of claim 5, wherein, The material of the hydrophilic fiber is carboxymethyl fiber, calcium alginate fiber or cellulose fiber.

7. The wound emergency treatment kit of claim 5, wherein, The supporting fiber comprises a PP inner core and a PE outer layer wrapped outside the PP inner core.

8. The wound emergency treatment kit of claim 1, wherein, The fixing layer (1) is a nanofiber waterproof and breathable film.

9. The wound emergency treatment kit of claim 8, wherein, The material of the nanofiber waterproof and breathable film is PU or TPU.

10. The wound emergency treatment assembly of claim 1, wherein, The wound emergency treatment assembly comprises a first package (4) and a second package (5) arranged separately; In packaging, the gel isolation layer (2) and the water-soluble drug carrier layer (3) are arranged in the first package (4), and the fixing layer (1) is arranged in the second package (5); In emergency treatment, the fixing layer (1), the gel isolation layer (2) and the water-soluble drug carrier layer (3) are combined into a three-layer structure.

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