CN210020501U

CN210020501U - Antibacterial alginate dressing

Info

Publication number: CN210020501U
Application number: CN201821929695.1U
Authority: CN
Inventors: 袁召; 杨帅; 曹晶晶; 张建鑫; 王川
Original assignee: Henan Huibo Medical Co Ltd
Current assignee: Henan Huibo Medical Co Ltd
Priority date: 2018-11-22
Filing date: 2018-11-22
Publication date: 2020-02-07
Anticipated expiration: 2028-11-22

Abstract

The utility model discloses an antibiotic alginate dressing to one side that is close to the surface of a wound is the inlayer, by interior and outer in proper order including protective layer, antiseized even layer, hemostasis and apply core, alginate and apply core, back sheet, and wherein protective layer, antiseized even layer, back sheet size are the same, and alginate is applied the core, is stanched and is applied the same and be less than the size of protective layer, antiseized even layer, back sheet that core size is the same and alginate is applied the core and is constituteed by the alginate non-woven fabrics, and alginate is applied evenly distributed in the core and is had the antibacterial resin particle. The utility model discloses an antibiotic alginate dressing adopts the alginate that comprises the alginate non-woven fabrics to apply the core to increase antibacterial resin particle in the core is applied to alginate, can realize a large amount of continuous absorptions and preserve the sepage, avoid the surface of a wound flooding, form the little negative pressure gradient that lasts, promote the surface of a wound healing, realize the lasting antibacterial function of slow-release. The hemostatic dressing core and the anti-adhesion layer are combined, and the multilayer structure has synergistic and complementary effects, so that the growth of bacteria is effectively inhibited, and the wound healing is accelerated.

Description

Antibacterial alginate dressing

Technical Field

The utility model relates to the field of medical supplies, especially, relate to an antibiotic alginate dressing.

Background

Currently, antibacterial hemostasis is a common problem encountered in various trauma dressings and surgeries. The medical dressing is a medical material for temporarily covering the surfaces of various wounds and wounds, can prevent the wounds from being affected by bacterial infection and other external factors, and plays a role in protecting the wounds and the wound surfaces. The antibacterial dressings in the market are all formed by a common structure comprising a layer of non-woven fabric and an adhesive layer or are directly applied to wounds by cotton, gauze, bandages and the like, and the principle of the antibacterial dressings is mainly that the antibacterial dressings absorb exudates such as wound blood and the like to achieve the aim of stopping bleeding. If necessary, the medicine must be used for treatment or disinfection.

The alginate dressing has the functions of stopping bleeding and absorbing seepage, and has good effect when being used in chronic wounds such as bedsore, diabetic foot infection and the like. Alginate dressings alone have gradually emerged as deficient in wound care. In order to increase the functionality and the applicability of the alginate dressing, the alginate dressing is grafted, modified, compounded, combined with other dressings and the like, so that the alginate dressing has new performances of antibiosis, hemostasis enhancement, slow release, peculiar smell removal, adhesion prevention and the like. The prepared alginate dressing is complex in structure and inconvenient to use, can not well promote the healing of wound surfaces, and has the antibacterial and hemostatic effects which can not well meet higher use requirements.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects of the prior art, the utility model aims to provide an antibacterial alginate dressing which has the characteristics of simple structure and convenient use.

The utility model discloses an one of the purpose adopts following technical scheme to realize:

an antibacterial alginate dressing takes one side close to a wound surface as an inner layer, and sequentially comprises a protective layer, an anti-adhesion layer, a hemostatic dressing core, an alginate dressing core and a back lining layer from inside to outside, wherein the sizes of the back lining layer, the anti-adhesion layer and the protective layer are the same; the alginate dressing core and the hemostasis dressing core are the same in size and smaller than the size of the back lining layer, the anti-adhesion layer and the protective layer, the alginate dressing core is composed of alginate non-woven fabrics, and antibacterial resin particles are uniformly distributed in the alginate dressing core. The alginate non-woven fabric can absorb seepage, and simultaneously buffer external mechanical pressure, thereby improving the comfort of the dressing. The antibacterial resin particles can realize a large amount of continuous absorption and seepage preservation, provide a moist healing environment for wounds, avoid wound surface impregnation, form a continuous micro negative pressure gradient, promote wound surface healing and realize a sustained-release and durable antibacterial function.

Further, the antibacterial resin particles are composed of a water-absorbent resin and an antibacterial agent embedded in the water-absorbent resin.

Further, the antibacterial agent is one of nano silver, silver ions, biguanide salts and quaternary ammonium salts.

Furthermore, the anti-adhesion layer is a silicon gel film, and circular holes penetrating through the silicon gel film from top to bottom are uniformly distributed on the silicon gel film. Further, the diameter of the round hole is 1-2 mm. Silica gel membrane and surface of a wound direct contact have the advantage of hypoallergenic, can avoid the wound adhesion simultaneously to form the secondary injury, through setting up the round hole, the sepage can get into through the round hole that stanchs and apply the core and alginate and apply the core, stanch and apply the core and alginate and apply the hemostatic antibiotic composition that the core released and act on the wound through the round hole, promote wound healing, prevent simultaneously that the sepage from leaking.

Furthermore, the back lining layer is a polyurethane film layer and has the functions of water resistance and ventilation.

Further, the hemostasis compress core is a hemostatic cotton yarn.

Further, the protective layer is release paper. Effectively preventing the dressing from being polluted and tearing off the dressing when in use.

Compared with the prior art, the beneficial effects of the utility model reside in that: the antibacterial alginate dressing disclosed by the invention adopts the alginate dressing core consisting of the alginate non-woven fabric, and the antibacterial resin particles are added in the alginate dressing core, so that a large amount of continuous absorption and seepage preservation can be realized, a moist healing environment is provided for a wound, meanwhile, the wound surface is prevented from being impregnated, a continuous micro negative pressure gradient is formed, the wound surface healing is promoted, and a sustained-release and lasting antibacterial function is realized. The hemostatic dressing core and the anti-adhesion layer are combined, and the multilayer structure has synergistic and complementary effects, so that the growth of bacteria is effectively inhibited, the skin regeneration is promoted, and the wound healing is accelerated.

Drawings

Fig. 1 is a schematic structural diagram of the antibacterial alginate dressing of the present invention;

in the figure: 1. a backing layer; 2. an alginate core; 21. fine particles of an antibacterial resin; 3. hemostasis applying a core; 4. an anti-adhesion layer; 41. a circular hole; 5. and a protective layer.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and the detailed description, and it should be noted that the embodiments or technical features described below can be arbitrarily combined to form a new embodiment without conflict.

As shown in fig. 1: an antibacterial alginate dressing takes one side close to a wound surface as an inner layer, and sequentially comprises a protective layer 5, an anti-adhesion layer 4, a hemostatic dressing core 3, an alginate dressing core 2 and a backing layer 1 from inside to outside, wherein the backing layer 1, the anti-adhesion layer 4 and the protective layer 5 have the same size; the sizes of the alginate dressing core 2 and the hemostasis dressing core 3 are the same and smaller than the sizes of the back lining layer 1, the anti-adhesion layer 4 and the protective layer 5, and antibacterial resin particles 21 are uniformly distributed in the alginate dressing core 2. The antimicrobial resin particles 21 are composed of a water-absorbent resin and an antimicrobial agent embedded in the water-absorbent resin. Preferably, the antibacterial agent may be one of nano silver, silver ion, biguanide salts, quaternary ammonium salts, or other compounds having antibacterial effect. The antibacterial resin particles 21 are arranged in the alginate dressing core 2, so that a large amount of seepage can be continuously absorbed and stored, a moist healing environment is provided for wounds, meanwhile, the wound surface is prevented from being impregnated, the continuous micro negative pressure gradient is favorably formed, the wound surface healing is promoted, and the antibacterial agent is embedded in the water-absorbent resin to realize the slow-release and lasting antibacterial function. The alginate coating core 2 is composed of alginate non-woven fabrics, the alginate non-woven fabrics can absorb seepage liquid, external mechanical pressure is buffered, dressing comfort is improved, and when the alginate non-woven fabrics are prepared, the antibacterial resin particles are added into alginate spinning solution, so that the alginate coating core with the antibacterial resin particles uniformly distributed is obtained.

Specifically, the anti-adhesion layer 4 is a silicone gel film, and circular holes 41 penetrating through the silicone gel film from top to bottom are uniformly distributed on the silicone gel film. Preferably, the diameter of the circular hole is 1-2 mm. The silica gel membrane and the surface of a wound direct contact, can airtight wound, and have the advantage of hypoallergenic nature, can avoid the wound adhesion simultaneously, in order to avoid forming the secondary damage, through set up round hole 41 on the silica gel membrane, the sepage can get into through round hole 41 that hemostasis applies core 3 and alginate and applies core 2, hemostasis applies core 3 and alginate and applies the antibiotic composition of the hemostasis that core 2 released and act on the wound through round hole 41, promote wound healing, prevent the sepage leakage simultaneously.

Specifically, the hemostatic dressing core 3 is a hemostatic cotton yarn, and other materials with hemostatic function can be selected.

Specifically, the backing layer 1 is a polyurethane film layer. The waterproof and breathable dressing has the waterproof and breathable functions, the dressing is prevented from being polluted by the external environment, and germs are prevented from invading the interior of the dressing to infect wounds. The barrier paper can be chooseed for use to protective layer 5, prevents effectively that the dressing from being contaminated, and it can to tear off from the dressing during the use.

The antibacterial alginate dressing provided by the invention adopts the alginate dressing core 2 consisting of alginate non-woven fabrics, and the antibacterial resin particles 21 are uniformly distributed in the dressing core, so that a large amount of continuous absorption and seepage preservation can be realized, a moist healing environment is provided for wounds, meanwhile, the wound surface is prevented from being impregnated, a continuous micro negative pressure gradient is formed, the wound surface healing is promoted, and the slow-release and lasting antibacterial function is realized. The dressing provided by the invention adopts a synergistic and complementary effect of a multilayer structure, so that the growth of bacteria is effectively inhibited, the regeneration of skin is promoted, and the healing of wounds is accelerated.

The above embodiments are only preferred embodiments of the present invention, and the protection scope of the present invention cannot be limited thereby, and any insubstantial changes and substitutions made by those skilled in the art based on the present invention are all within the protection scope of the present invention.

Claims

1. The utility model provides an antibiotic alginate dressing which characterized in that, with the one side that is close to the surface of a wound as the inlayer, from interior to exterior in proper order including protective layer, antiseized even layer, hemostasis compress the core, alginate applies the core, the back sheet, wherein protective layer, antiseized even layer, back sheet size are the same, alginate is applied the core, is stanched and is applied the core size the same and be less than the size of protective layer, antiseized even layer, back sheet, alginate is applied the core and is constituteed by the alginate non-woven fabrics, alginate is applied evenly distributed in the core and is had antibiotic resin particle.

2. The antibacterial alginate dressing according to claim 1, wherein the antibacterial resin particles are composed of a water-absorbent resin and an antibacterial agent embedded in the water-absorbent resin.

3. The antimicrobial alginate dressing of claim 2 wherein the antimicrobial agent is one of nano silver, silver ions, biguanides, quaternary ammonium salts.

4. The antibacterial alginate dressing according to claim 1, wherein the adhesion-preventing layer is a silicone gel film, and circular holes penetrating from top to bottom are uniformly distributed on the silicone gel film.

5. The antimicrobial alginate dressing of claim 4 wherein the circular holes are 1-2mm in diameter.

6. The antimicrobial alginate dressing of claim 1 wherein the backing layer is a polyurethane film layer.

7. The antimicrobial alginate dressing of claim 1 wherein the hemostatic dressing core is a hemostatic cotton gauze.

8. The antimicrobial alginate dressing of claim 1 wherein the protective layer is release paper.