Chitosan wound dressing convenient to use
By designing chitosan trauma dressing patches including main mechanism, auxiliary sterilization mechanism and structural reinforcement mechanism, the problem of existing dressing patches being inconvenient to stretch and paste during use is solved, and the effect of convenient use, rapid absorption and bacterial inhibition, flexibility and odor prevention is achieved.
Patent Information
- Application Number
- CN202420576931.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-03-25
- Publication Date
- 2025-04-15
- Estimated Expiration
- 2034-03-25
AI Technical Summary
The existing chitosan trauma dressing patches are inconvenient to stretch and paste when used, resulting in inconvenient use.
A chitosan trauma dressing patch including a main mechanism, an auxiliary sterilization mechanism and a structural reinforcement mechanism was designed. The main mechanism achieves the convenience of stretching and pasting through the design of the stretching belt and fixed patch. The auxiliary sterilization mechanism achieves rapid absorption and bacterial inhibition through the chitosan liquid absorption layer and the sterilization layer. The structural reinforcement mechanism improves flexibility and prevents odor through the reinforcement ribs and bamboo charcoal adsorption layer.
The convenient use of dressing patches is achieved. Through the design of stretching tape and adhesive layer, it can be better fixed to the skin, assisting the sterilization mechanism to effectively absorb wound exudates and inhibit bacterial growth, and the structural strengthening mechanism improves the flexibility of the dressing and prevents odor.
Smart Images
Figure CN222752222U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of wound dressings, in particular to a chitosan wound dressing patch that is easy to use. Background Art
[0002] Chitosan wound dressing is used as an auxiliary treatment for patients with shallow burns, acne, dark skin, sensitive skin, pigmentation and scars, as well as for the auxiliary treatment of various traumas and post-operative wound healing.
[0003] Chitosan, also known as deacetylated chitosan, is a natural high molecular weight polysaccharide extracted from marine crustaceans. It has many excellent properties and is a pure natural food-grade raw material. It is also used in the medical field.
[0004] The existing chitosan wound dressing patch which is easy to use is not easy to stretch and stick when in use, which makes it inconvenient to use. Utility Model Content
[0005] The utility model aims to provide a chitosan wound dressing that is easy to use, so as to solve the problem in the above background technology that it is inconvenient to stretch the chitosan wound dressing and paste it during use, making it inconvenient to use.
[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a chitosan wound dressing patch that is easy to use, comprising a main body mechanism, an auxiliary sterilization mechanism and a structural reinforcement mechanism, wherein the auxiliary sterilization mechanism is located in the middle below the main body mechanism, and the structural reinforcement mechanism is located on the left and right sides of the main body mechanism, and the main body mechanism comprises a patch body, a breathable layer, a stretching belt, a fixing patch and an adhesive layer, wherein the breathable layer is fixedly arranged in the middle of the upper end of the patch body, the stretching belt is movably installed at the left and right ends of the patch body, the fixing patch is movably installed at the left and right ends of the stretching belt, the adhesive layer is arranged in the middle below the fixing patch, and the adhesive layer is evenly applied to the outer surface of the fixing patch for being pasted on the skin surface for use.
[0007] Preferably, the main body structure also includes a reinforcing layer, an auxiliary adhesive layer and a blank fiber layer. The reinforcing layer is arranged at the lower end of the stretching belt, and the reinforcing layer is used to increase the strength of the stretching belt so that it can be stretched better. The auxiliary adhesive layer is fixedly arranged on the four sides below the main body of the material patch, and the auxiliary adhesive layer is used to assist in pasting so that it can be pasted better and avoid bacteria from entering the inside. The blank fiber layer is fixedly arranged on the inner side of the auxiliary adhesive layer, and the blank fiber layer allows the drug to diffuse to the surroundings and be adsorbed.
[0008] Preferably, the auxiliary sterilization mechanism includes an integrated core, a Chinese medicine polysaccharide gel layer, a lipid sustained-release drug delivery layer, a sterilization layer, a chitosan liquid absorption layer and an electrospun nanofiber layer. The integrated core is fixedly installed in the middle of the inner side of the blank fiber layer, and the Chinese medicine polysaccharide gel layer is fixedly arranged at the lower end of the integrated core. The Chinese medicine polysaccharide gel layer plays a supporting role to prevent it from breaking due to absorbing exudates.
[0009] Preferably, the lipid sustained-release drug delivery layer is fixedly installed at the lower end of the traditional Chinese medicine polysaccharide gel layer. The lipid sustained-release drug delivery layer serves to encapsulate the effective ingredients and can deliver sustained-release drugs during use, so that the drugs on the wound surface are at the optimal concentration. The sterilization layer is fixedly installed at the lower end of the lipid sustained-release drug delivery layer. The sterilization layer can effectively resist bacterial invasion, encapsulate bacteriophage lytic enzymes, sterilize wounds, and prevent bacterial reproduction on wounds.
[0010] Preferably, the chitosan absorbent layer is fixedly installed at the lower end of the sterilization layer. The chitosan absorbent layer has good absorbent performance and can quickly absorb wound exudate. The electrospun nanofiber layer is fixedly installed at the lower end of the chitosan absorbent layer. The electrospun nanofiber layer not only plays a fixing role, but also can effectively resist the entry of external bacteria.
[0011] Preferably, the structural reinforcement mechanism includes a flexible belt, reinforcing ribs, and a bamboo charcoal adsorption layer. The flexible belt is fixedly installed on the upper end of the inner side of the fixed sticker, the reinforcing ribs are fixedly installed on the lower end of the flexible belt, and the bamboo charcoal adsorption layer is fixedly installed on the lower end of the reinforcing ribs. The flexible belt makes it more flexible, and the reinforcing ribs play a reinforcing role. The bamboo charcoal adsorption layer absorbs odors. Long-term sticking can easily lead to internal odors, which can be effectively absorbed and deodorized.
[0012] Compared with the prior art, the beneficial effects of the utility model are:
[0013] 1. The easy-to-use chitosan wound dressing patch, through the use of the main body mechanism, can be used to stretch the fixing patches on both sides through the stretching belt, and can be pasted through the adhesive layer under the fixing patch, so that it can be better fixed and more convenient to use;
[0014] 2. The easy-to-use chitosan wound dressing patch can quickly absorb wound exudate through the use of the auxiliary sterilization mechanism when in use through the use of the chitosan liquid absorption layer, and can effectively inhibit the growth of bacteria through the use of the sterilization layer;
[0015] 3. The easy-to-use chitosan wound dressing uses a structural reinforcement mechanism so that when in use, its main body fixing patch is reinforced by reinforcing ribs so that it is not easily torn apart when stretched. The use of a bamboo charcoal adsorption layer enables it to effectively absorb odors. BRIEF DESCRIPTION OF THE DRAWINGS
[0016] Figure 1 The three-dimensional structure of the utility model is shown in FIG. Figure 1 ;
[0017] Figure 2 The three-dimensional structure of the utility model is shown in FIG. Figure 2 ;
[0018] Figure 3 This is a schematic diagram of the three-dimensional detailed structure of the auxiliary sterilization mechanism of the utility model;
[0019] Figure 4 It is a schematic diagram of the cross-sectional details of the structural reinforcement mechanism of the utility model.
[0020] In the figure: 1. Main body; 101. Material body; 102. Breathable layer; 103. Stretch tape; 104. Fixing tape; 105. Adhesive layer; 106. Reinforcement layer; 107. Auxiliary adhesive layer; 108. Blank fiber layer; 2. Auxiliary sterilization mechanism; 201. Integrated core; 202. Chinese medicine polysaccharide gel layer; 203. Lipid sustained-release drug delivery layer; 204. Sterilization layer; 205. Chitosan liquid absorption layer; 206. Electrospun nanofiber layer; 3. Structural reinforcement mechanism; 301. Flexible tape; 302. Reinforcement ribs; 303. Bamboo charcoal adsorption layer. DETAILED DESCRIPTION
[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0022] See also Figure 1-Figure 4 The utility model provides a technical solution: a chitosan wound dressing patch that is easy to use, including a main body mechanism 1, an auxiliary sterilization mechanism 2 and a structural reinforcement mechanism 3, the auxiliary sterilization mechanism 2 is located in the middle below the main body mechanism 1, the structural reinforcement mechanism 3 is located on the left and right sides of the main body mechanism 1, the main body mechanism 1 includes a patch body 101, a breathable layer 102, a stretching belt 103, a fixing patch 104 and an adhesive layer 105, the breathable layer 102 is fixedly arranged in the middle of the upper end of the patch body 101, the stretching belt 103 is movably installed on the left and right ends of the patch body 101, the fixing patch 104 is movably installed on the left and right ends of the stretching belt 103, the adhesive layer 105 is arranged in the middle below the fixing patch 104, and the adhesive layer 105 is evenly applied to the outer surface of the fixing patch 104 for sticking on the skin surface.
[0023] The main body 1 also includes a reinforcing layer 106, an auxiliary adhesive layer 107 and a blank fiber layer 108. The reinforcing layer 106 is arranged at the lower end of the stretching belt 103. The reinforcing layer 106 is used to improve the strength of the stretching belt 103 so that it can be stretched better. The auxiliary adhesive layer 107 is fixedly arranged around the bottom of the material body 101. The auxiliary adhesive layer 107 is used to assist in pasting so that it can be pasted better and avoid bacteria from entering the inside. The blank fiber layer 108 is fixedly arranged on the inner side of the auxiliary adhesive layer 107. The blank fiber layer 108 allows the drug to diffuse to the surroundings and be adsorbed.
[0024] The auxiliary sterilization mechanism 2 includes an integrated core 201, a Chinese medicine polysaccharide gel layer 202, a lipid sustained-release drug delivery layer 203, a sterilization layer 204, a chitosan liquid absorption layer 205 and an electrospun nanofiber layer 206. The integrated core 201 is fixedly installed in the middle of the inner side of the blank fiber layer 108. The Chinese medicine polysaccharide gel layer 202 is fixedly arranged at the lower end of the integrated core 201. The Chinese medicine polysaccharide gel layer 202 plays a supporting role to prevent it from breaking due to absorbing exudate. The lipid sustained-release drug delivery layer 203 is fixedly installed at the lower end of the Chinese medicine polysaccharide gel layer 202. The lipid sustained-release drug delivery layer 203 wraps the effective ingredients and can release the drug when used, so that the wound drug is at the optimal concentration. The sterilization layer 204 is fixedly installed at the lower end of the lipid sustained-release drug delivery layer 203. The sterilization layer 204 can effectively resist bacterial invasion, wrap the bacteriophage lytic enzyme, sterilize the wound and prevent the growth of bacteria in the wound. The chitosan liquid absorption layer 205 is fixedly installed at the lower end of the sterilization layer 204. The chitosan liquid absorption layer 205 has good liquid absorption performance and can quickly absorb wound exudate. The electrospun nanofiber layer 206 is fixedly installed at the lower end of the chitosan liquid absorption layer 205. The electrospun nanofiber layer 206 not only plays a fixing role, but also can effectively resist the entry of external bacteria. The structural reinforcement mechanism 3 includes a flexible belt 301, a reinforcing rib 302, and a bamboo charcoal adsorption layer 303. The flexible belt 301 is fixedly installed at the upper end of the inner side of the fixed patch 104, the reinforcing rib 302 is fixedly installed at the lower end of the flexible belt 301, and the bamboo charcoal adsorption layer 303 is fixedly installed at the lower end of the reinforcing rib 302. The flexible belt 301 makes it more flexible, and the reinforcing rib 302 plays a reinforcing role. The bamboo charcoal adsorption layer 303 absorbs its odor. Long-term pasting is likely to cause internal odor, which can be effectively adsorbed and deodorized.
[0025] Working principle: When the easy-to-use chitosan wound dressing is needed, the medicine is placed on the integrated core 201, the integrated core 201 is placed on the wound, the patch body 101 wraps it, the fixing patches 104 on the left and right sides are stretched by the stretching belt 103, the patch is pasted by the adhesive layer 105 under the fixing patch 104, the strength of the stretching belt 103 is strengthened by the reinforcing layer 106, the auxiliary pasting layer 107 is used for auxiliary pasting, the excess overflowed medicine is absorbed by the blank fiber layer 108, the breathable layer 102 is used to make the patch body 101 breathable, and the Chinese medicine polysaccharide gel layer 202 plays a supporting role to prevent it from absorbing exudates The wound surface is broken, and the lipid sustained-release drug delivery layer 203 is used to wrap the effective ingredients, and the drug can be sustained-released when used, so that the wound drug is at the optimal concentration. The sterilization layer 204 can effectively resist bacterial invasion and wrap the bacteriophage lytic enzyme to sterilize the wound and prevent the growth of bacteria in the wound. The chitosan absorption layer 205 has good absorption performance and can quickly absorb wound exudate. The electrospun nanofiber layer 206 not only plays a fixing role, but also can effectively resist the entry of external bacteria. The flexible belt 301 makes it more flexible, and the reinforcing ribs 302 play a reinforcing role. The bamboo charcoal adsorption layer 303 absorbs the odor. Long-term sticking can easily lead to internal odor, which can be effectively adsorbed and deodorized.
[0026] Finally, it should be noted that the above content is only used to illustrate the technical solution of the utility model, rather than to limit the protection scope of the utility model. Simple modifications or equivalent substitutions of the technical solution of the utility model by ordinary technicians in this field do not deviate from the essence and scope of the technical solution of the utility model.
Claims
1. A chitosan wound dressing that is easy to use, comprising a main body mechanism (1), an auxiliary sterilization mechanism (2) and a structural reinforcement mechanism (3), characterized in that: The auxiliary sterilization mechanism (2) is located in the middle portion below the main body mechanism (1); the structural reinforcement mechanism (3) is located on the left and right sides of the main body mechanism (1); the main body mechanism (1) comprises a material patch body (101), a breathable layer (102), a stretching belt (103), a fixing patch (104) and an adhesive layer (105); the breathable layer (102) is fixedly arranged in the middle portion of the upper end of the material patch body (101); the stretching belt (103) is movably mounted on the left and right ends of the material patch body (101); the fixing patch (104) is movably mounted on the left and right ends of the stretching belt (103); and the adhesive layer (105) is arranged in the middle portion below the fixing patch (104).
2. The chitosan wound dressing patch easy to use according to claim 1, characterized in that: The main body structure (1) further comprises a reinforcing layer (106), an auxiliary adhesive layer (107) and a blank fiber layer (108); the reinforcing layer (106) is arranged at the lower end of the stretch belt (103); the auxiliary adhesive layer (107) is fixedly arranged around the bottom of the material patch main body (101); and the blank fiber layer (108) is fixedly arranged on the inner side of the auxiliary adhesive layer (107).
3. The chitosan wound dressing patch easy to use according to claim 2, characterized in that: The auxiliary sterilization mechanism (2) comprises an integrated core (201), a Chinese medicine polysaccharide gel layer (202), a lipid sustained-release drug delivery layer (203), a sterilization layer (204), a chitosan liquid absorption layer (205), and an electrospun nanofiber layer (206); the integrated core (201) is fixedly mounted in the middle of the inner side of the blank fiber layer (108), and the Chinese medicine polysaccharide gel layer (202) is fixedly arranged at the lower end of the integrated core (201).
4. The chitosan wound dressing patch easy to use according to claim 3, characterized in that: The lipid sustained-release drug delivery layer (203) is fixedly mounted on the lower end of the traditional Chinese medicine polysaccharide gel layer (202), and the sterilization layer (204) is fixedly mounted on the lower end of the lipid sustained-release drug delivery layer (203).
5. The chitosan wound dressing patch easy to use according to claim 4, characterized in that: The chitosan liquid absorption layer (205) is fixedly mounted on the lower end of the sterilization layer (204), and the electrospun nanofiber layer (206) is fixedly mounted on the lower end of the chitosan liquid absorption layer (205).
6. The chitosan wound dressing patch easy to use according to claim 5, characterized in that: The structural reinforcement mechanism (3) comprises a flexible belt (301), a reinforcement rib (302), and a bamboo charcoal adsorption layer (303); the flexible belt (301) is fixedly mounted on the upper end of the inner side of the fixing patch (104); the reinforcement rib (302) is fixedly mounted on the lower end of the flexible belt (301); and the bamboo charcoal adsorption layer (303) is fixedly mounted on the lower end of the reinforcement rib (302).