CN211705027U

CN211705027U - Chitosan dressing with super-strong absorbability

Info

Publication number: CN211705027U
Application number: CN201922124873.4U
Authority: CN
Inventors: 贾世刚
Original assignee: Qingdao Sea Ng Biotechnology Co ltd
Current assignee: Qingdao Sea Ng Biotechnology Co ltd
Priority date: 2019-12-02
Filing date: 2019-12-02
Publication date: 2020-10-20
Anticipated expiration: 2029-12-02

Abstract

The utility model discloses a chitosan dressing with super absorbency, including the stratum basale, the top fixedly connected with tie coat of stratum basale, the sandwich layer is applied to the compound chitosan of top fixedly connected with of tie coat, compound chitosan applies the antiseized layer of top fixedly connected with of sandwich layer, compound chitosan applies the sandwich layer and includes the sponge layer. The utility model discloses a stratum basale, the tie coat, compound chitosan applies the sandwich layer, antiseized layer, the sponge layer, the cooperation of layer and the hemostasis layer of promoting healing is used, can effectual make full use of non-woven fabrics, play and separate the fungus, the effect of protection surface of a wound, utilize chitosan, it is nontoxic to the human body, can be absorbed by the limbs, chitosan disinfects direct and the contact of surface of a wound, can not take place the bonding of dressing and the surface of a wound, not only can adsorb the produced peculiar smell of wound infection, also can disinfect, antibacterial, keep the wound healing in good aseptic environment, also can play the effect that promotes wound healing.

Description

Chitosan dressing with super-strong absorbability

Technical Field

The utility model relates to the technical field of medical dressing, in particular to a chitosan dressing with super absorbability.

Background

Chitosan has good biocompatibility and antiviral property, refined chitosan fine powder can obviously promote wound healing, a film made of chitosan or non-woven fabrics made of chitosan and other fibers such as cotton, cellulose and the like can be used as a good wound dressing for wound surface protection, various medical dressings made of chitosan fibers are used for clinical application of scald, scratch, skin laceration and the like, the curative effect is obvious, the chitosan dressing mainly shows no reaction on the wound, has the effects of sterilizing, diminishing inflammation and promoting tissue growth, the curative effect period is shortened, the healed wound surface is similar to normal tissue, no scar is formed, the existing wound dressing has poor air permeability and weak capability of absorbing secretion, and further the wound healing efficiency is reduced.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a chitosan dressing with superstrong absorptivity possesses the higher advantage of absorptivity, has solved that current wound dressing gas permeability is not good, the ability of absorbing the secretion is not strong, and then has reduced the problem of wound healing efficiency.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a chitosan dressing with super absorptivity, includes the stratum basale, the top fixedly connected with tie coat of stratum basale, the compound chitosan of top fixedly connected with of tie coat applies the sandwich layer, compound chitosan applies the antiseized layer of top fixedly connected with of sandwich layer, compound chitosan applies the sandwich layer and includes the sponge layer, the layer is healed to the inner wall fixedly connected with on sponge layer, the inner wall fixedly connected with hemostasis layer on the layer of healing.

The utility model discloses a chitosan dressing with super absorbency, wherein the stratum basale adopts medical non-woven fabrics, and the surface of medical non-woven fabrics is equipped with the prevention of seepage and passes through the membrane, and the prevention of seepage passes through the membrane and is polymer layer.

The utility model discloses a chitosan dressing with super absorbency, wherein the tie coat is one of the non-woven fabrics of coating pressure sensitive adhesive and the PU membrane of coating pressure sensitive adhesive, the tie coat is formed with the stratum basale and compound chitosan applies the complex between the sandwich layer.

The utility model discloses a chitosan dressing with super absorbency, wherein antiseized layer is antiseized paper, and antiseized paper is for scribbling silicon from type paper and glassine from one of type paper.

The utility model discloses a chitosan dressing with super absorbency, wherein the sponge layer adopts chitosan fiber and bamboo fibre to form the dressing of non-woven fabrics structure through the acupuncture, and the through-hole has been seted up on its surface.

The utility model discloses a chitosan dressing with super absorbency, wherein the layer of healing promotion is selected from one of ordinary chitosan non-woven fabrics and swelling chitosan non-woven fabrics, the thickness of the layer of healing promotion is 0.1-0.3 mm.

The utility model discloses a chitosan dressing with super absorbency, wherein the hemostasis layer is the chitosan gauze layer that the chitosan granule formed on the gauze through the viscose coating, the thickness on hemostasis layer is 0.2-0.4 mm.

Compared with the prior art, the beneficial effects of the utility model are as follows:

1. the utility model discloses a stratum basale, the tie coat, compound chitosan applies the sandwich layer, antiseized layer, the sponge layer, the cooperation of layer and the hemostasis layer of promoting healing is used, can effectual make full use of non-woven fabrics, play and separate the fungus, the effect of protection surface of a wound, utilize chitosan, it is nontoxic to the human body, can be absorbed by the limbs, chitosan disinfects direct and the contact of surface of a wound, can not take place the bonding of dressing and the surface of a wound, not only can adsorb the produced peculiar smell of wound infection, also can disinfect, antibacterial, keep the wound healing in good aseptic environment, also can play the effect that promotes wound healing.

2. The utility model discloses a set up the sponge layer, can be in the crisscross time of staggering between chitosan fiber and the bamboo fibre, respective efficiency effect is more lasting, and the traditional medicine of paining on the dressing internal surface then drops easily or is rubbed off, promote the layer of healing through setting up, can accelerate the healing of wound, the drug effect is lasting, and innoxic side effect, through setting up the hemostatic layer, not only have the effect of promoting the wound, still have hemostatic effect simultaneously, possess superstrong absorbing capacity, can absorb a large amount of sepage fast, avoid skin to be in humid environment.

Drawings

FIG. 1 is a schematic structural view of the present invention;

fig. 2 is a schematic side view of the substrate layer of the present invention;

FIG. 3 is a schematic view of the composition structure of the composite chitosan coating layer of the present invention;

fig. 4 is a schematic view of the top view structure of the sponge layer of the present invention.

In the figure: 1. a base layer; 2. a bonding layer; 3. coating the composite chitosan on the core layer; 301. a sponge layer; 302. a healing promoting layer; 303. a haemostatic layer; 4. an anti-sticking layer; 5. and a through hole.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element to be referred must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "provided", "connected", and the like are to be construed broadly, such as "connected", which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The components adopted by the utility model are all universal standard components or components known by the technicians in the field, and the structure and the principle of the components are known by the technicians through technical manuals or conventional experimental methods.

Referring to fig. 1-4, a chitosan dressing with super-absorption comprises a substrate layer 1, wherein the substrate layer 1 is made of medical non-woven fabric, an anti-permeation film is arranged on the surface of the medical non-woven fabric, the anti-permeation film is a high polymer layer, the top of the substrate layer 1 is fixedly connected with a bonding layer 2, the bonding layer 2 is one of non-woven fabric coated with pressure-sensitive adhesive and a PU film coated with pressure-sensitive adhesive, the bonding layer 2 is formed by compounding the substrate layer 1 and a composite chitosan dressing layer 3, and the top of the bonding layer 2 is fixedly connected with the composite chitosan dressing layer 3.

Compound chitosan applies antiseized layer 4 of top fixedly connected with of sandwich layer 3, and antiseized layer 4 is antiseized paper, and antiseized paper is for scribbling silicon from type paper and glasine from one of type paper, and compound chitosan applies sandwich layer 3 and includes sponge layer 301, and sponge layer 301 adopts chitosan fiber and bamboo fiber to form the dressing of non-woven fabrics structure through the acupuncture, and through-hole 5 has been seted up on its surface, and layer 302 is healed in sponge layer 301's inner wall fixedly connected with.

The healing promoting layer 302 is selected from one of a common chitosan non-woven fabric and a swelling and dissolving chitosan non-woven fabric, the thickness of the healing promoting layer 302 is 0.1-0.3mm, the inner wall of the healing promoting layer 302 is fixedly connected with a hemostatic layer 303, the hemostatic layer 303 is a chitosan gauze layer formed by coating chitosan particles on gauze through viscose, the thickness of the hemostatic layer 303 is 0.2-0.4mm, the sponge layer 301 is arranged, the chitosan fibers and the bamboo fibers can be crisscrossed, the respective efficacy and effect are more lasting, traditional medicines coated on the inner surface of the dressing are easy to fall off or rub off, the healing promoting layer 302 is arranged, the healing of wounds can be accelerated, the efficacy and effect are lasting, no toxic or side effect is caused, the hemostatic layer 303 is arranged, the wound healing promoting layer has the effect and the hemostatic effect, and has the super-strong absorption capacity, and can quickly absorb a large amount of seepage, avoiding the skin to be in a moist environment.

Through stratum basale 1, tie coat 2, compound chitosan applies sandwich layer 3, antiseized layer 4, sponge layer 301, promote healing layer 302 and hemostasis layer 303's cooperation use, can effectual make full use of non-woven fabrics, play and separate the fungus, the effect of protection surface of a wound, utilize chitosan, it is nontoxic to the human body, can be absorbed by limbs, chitosan disinfect directly and the surface of a wound contact, can not take place the bonding of dressing and surface of a wound, not only can adsorb the produced peculiar smell of wound infection, also can disinfect, it is antibiotic, keep the wound healing in good aseptic environment, also can play the effect that promotes wound healing.

When the wound healing promoting dressing is used, the chitosan fibers and the bamboo fibers are adopted to form the dressing with the non-woven fabric structure through needling, the respective efficacy effect is more durable while the chitosan fibers and the bamboo fibers are crisscrossed, the traditional medicine coated on the inner surface of the dressing is easy to fall off or be rubbed off, the wound healing promoting layer 302 made of one selected from common chitosan non-woven fabrics and swelling and dissolving chitosan non-woven fabrics can accelerate the healing of the wound, the efficacy effect is durable, no toxic or side effect is caused, the chitosan gauze layer formed by coating chitosan particles on gauze through viscose has the wound healing promoting effect and the hemostatic effect, and the wound healing promoting dressing has the super-strong absorption capacity, can quickly absorb a large amount of seepage liquid and avoids the skin from being in a humid environment

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A chitosan dressing with super-absorbency, comprising a substrate layer (1), characterized in that: the top fixedly connected with tie coat (2) of stratum basale (1), the top fixedly connected with of tie coat (2) compound chitosan applies sandwich layer (3), compound chitosan applies antiseized layer (4) of top fixedly connected with of sandwich layer (3), compound chitosan applies sandwich layer (3) and includes sponge layer (301), the inner wall fixedly connected with of sponge layer (301) promotes healed layer (302), the inner wall fixedly connected with of layer (302) of promoting healed stanchs layer (303).

2. A superabsorbent chitosan dressing according to claim 1, wherein: the base layer (1) is made of medical non-woven fabric, an anti-seepage film is arranged on the surface of the medical non-woven fabric, and the anti-seepage film is a high polymer layer.

3. A superabsorbent chitosan dressing according to claim 1, wherein: the adhesive layer (2) is one of a non-woven fabric coated with a pressure-sensitive adhesive and a PU film coated with the pressure-sensitive adhesive, and the base layer (1) and the composite chitosan applying core layer (3) are compounded by the adhesive layer (2).

4. A superabsorbent chitosan dressing according to claim 1, wherein: the anti-sticking layer (4) is anti-sticking paper, and the anti-sticking paper is one of silicon-coated release paper and glassine release paper.

5. A superabsorbent chitosan dressing according to claim 1, wherein: the sponge layer (301) is formed by dressing of a non-woven fabric structure through needling of chitosan fibers and bamboo fibers, and through holes (5) are formed in the surface of the dressing.

6. A superabsorbent chitosan dressing according to claim 1, wherein: the healing promoting layer (302) is selected from one of common chitosan non-woven fabrics and swelling and dissolving chitosan non-woven fabrics, and the thickness of the healing promoting layer (302) is 0.1-0.3 mm.

7. A superabsorbent chitosan dressing according to claim 1, wherein: the hemostatic layer (303) is a chitosan gauze layer formed by coating chitosan particles on gauze through viscose, and the thickness of the hemostatic layer (303) is 0.2-0.4 mm.