CN216876810U

CN216876810U - Composite medical foaming cotton

Info

Publication number: CN216876810U
Application number: CN202122003516.XU
Authority: CN
Inventors: 廖芸; 张华泉; 程聪
Original assignee: Guangdong Shuerkang Biotechnology Co ltd
Current assignee: Guangdong Shuerkang Biotechnology Co ltd
Priority date: 2021-08-24
Filing date: 2021-08-24
Publication date: 2022-07-05
Anticipated expiration: 2031-08-24

Abstract

The utility model provides composite medical foamed cotton, and belongs to the technical field of medical supplies. The composite medical foamed cotton comprises a PU film and a foamed cotton medical layer, wherein the foamed cotton medical layer comprises a polyurethane film layer, a carboxymethyl chitosan hydrogel layer, a biological light composite medical material layer and a propylene oxide layer. According to the utility model, the polyurethane film layer, the chitosan hydrogel layer, the biological light element composite medical material layer and the epoxypropane layer are arranged in the foaming cotton medical layer, and the chitosan hydrogel layer and the biological light element composite medical material layer can be used for diminishing inflammation, sterilizing, relieving pain and swelling, relieving itching, promoting blood circulation to remove blood stasis, promoting wound healing, reducing scars and adsorbing wound overflow liquid on wounds, so that the composite medical foaming cotton has the functions of resisting bacteria, diminishing inflammation, relieving pain, relieving swelling, promoting healing, reducing scar formation, accelerating local blood circulation and the like.

Description

Composite medical foaming cotton

Technical Field

The utility model relates to the technical field of medical supplies, in particular to composite medical foamed cotton.

Background

The foamed cotton is a material containing air holes, such as a polystyrene foamed plate, a polyvinyl chloride foamed insulation board, polyurethane foamed glue and the like. The products in the market such as foamed plastic, pearl wool, foamed rubber, water-swelling glue, polysulfide sealant and the like generally belong to foaming series products.

The wound surface is covered by artificial skin, collagen membrane (sponge), foam cotton and the like clinically, so that the loss of tissue fluid and protein is reduced, the wound surface is prevented from being invaded by bacteria, and the wound surface is promoted to heal. The medical foaming cotton has no functions of resisting and inhibiting bacteria, killing bacteria, relieving pain, promoting wound healing, reducing scar formation and the like.

SUMMERY OF THE UTILITY MODEL

In order to make up for the defects, the utility model provides composite medical foaming cotton to solve the problem that the medical foaming cotton does not have the functions of resisting and inhibiting bacteria, killing bacteria and relieving pain, promoting wound healing, reducing scar formation and the like.

The utility model is realized by the following steps:

the utility model provides composite medical foamed cotton, which comprises a PU film and a foamed cotton medical layer, wherein the foamed cotton medical layer comprises a polyurethane film layer, a carboxymethyl chitosan hydrogel layer, a biological light composite medical material layer and a propylene oxide layer, the polyurethane film layer, the carboxymethyl chitosan hydrogel layer, the biological light element composite medical material layer and the propylene oxide layer are sequentially bonded and fixed from top to bottom, have good adsorption capacity, can absorb the overflowing liquid of the wound in time, a plurality of liquid permeation holes are arranged on the polyurethane film layer, the carboxymethyl chitosan hydrogel layer, the biological light element composite medical material layer and the propylene oxide layer at equal intervals, and the plurality of liquid permeating holes are communicated one by one, the bottom of the epoxypropane layer is provided with a protective layer, and the liquid permeating holes can enable overflowing liquid to be volatilized in time, so that the wound can be kept at proper humidity, and the wound growing environment is facilitated.

In one embodiment of the utility model, the PU film is arranged at the top end of the polyurethane film layer, the PU film and the polyurethane film layer are fixedly bonded through the first adhesive layer, when the foamed cotton medical layer adsorbs the overflowing liquid of the wound, the overflowing liquid can volatilize outwards through the air holes in the PU film, so that good air permeability can be kept, the PU film has good air permeability, so that the wound can exchange air with the outside through the liquid permeable holes and the PU film, the overflowing liquid of the wound can permeate outwards through the liquid permeable holes and volatilize outwards through the liquid permeable holes, the drying of the wound is favorably kept, and the overflowing liquid of the wound is prevented from accumulating below the foamed cotton to cause further infection.

In one embodiment of the utility model, the carboxymethyl chitosan hydrogel layer is doped with nano far infrared powder, the thickness of the carboxymethyl chitosan hydrogel layer is 0.08mm-2.5mm, the carboxymethyl chitosan hydrogel layer has the performance of carboxymethyl chitosan, and can play the effect of the nano far infrared powder, promote and improve blood circulation, enhance the metabolism function of a human body, improve the immunity of the human body, and simultaneously has the functions of diminishing inflammation, diminishing swelling and easing pain, and can play the functions of diminishing inflammation, diminishing swelling and easing pain of the nano far infrared powder.

In an embodiment of the utility model, the biological light element composite medical material layer is made of jade, pearl powder, chitin, silicon dioxide and titanium dioxide, and can be used for diminishing inflammation, sterilizing, relieving pain, diminishing swelling, relieving itching, promoting blood circulation, removing blood stasis, promoting wound healing, reducing scars and adsorbing wound overflow liquid on a wound.

In one embodiment of the utility model, the protective layer comprises a breathable layer, a second adhesive layer and release paper, and the breathable layer, the second adhesive layer and the release paper are sequentially arranged at the bottom of the propylene oxide layer from top to bottom.

In one embodiment of the utility model, the thickness of the air-permeable layer is set to be 0.25mm-0.35mm, and the air-permeable layer is set to be a PTFE film, so that the wound can be ventilated.

In one embodiment of the utility model, the thicknesses of the first adhesive layer and the second adhesive layer are both set to be 0.35mm-0.55mm, so that the dressing is prevented from being adhered to a wound, the problem that the existing medical foam dressing is poor in environment-friendly property and needs to be discarded after use to cause environmental pollution is solved, and the release paper is set to be glassine silicone oil paper to play a role in moisture resistance and oil resistance.

In one embodiment of the utility model, the thickness of the foamed cotton medical layer gradually decreases from the center to the edge, and the thickness of the middle part of the foamed cotton medical layer is 1mm-8mm, so that the foamed cotton medical layer has strong adsorbability, can absorb a large amount of overflowing liquid from the wound and is beneficial to keeping the wound dry.

The utility model has the beneficial effects that:

1. the composite medical foaming cotton obtained by the design has good adsorption capacity, can absorb the overflowing liquid of the wound in time, and can volatilize the overflowing liquid in time by arranging the liquid permeable holes on the medical layer of the foaming cotton, so that the wound can keep proper humidity and the wound growing environment is facilitated;

2. the polyurethane film layer can enable wound seepage absorbed in the chitosan hydrogel layer to permeate and separate out, so that the injury of the skin caused by excessive seepage is avoided, a moist healing environment is provided for the wound, and the composite medical foaming cotton has the functions of resisting bacteria, diminishing inflammation, easing pain, diminishing swelling, promoting healing, reducing scar formation, accelerating local blood circulation and the like.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

FIG. 1 is a schematic side-view cross-sectional structure diagram of a composite medical foamed cotton provided by an embodiment of the utility model;

FIG. 2 is a schematic structural diagram of a composite medical foam cotton in a bottom view according to an embodiment of the present invention;

FIG. 3 is a schematic structural diagram of a composite medical foam cotton in a top view, which is provided by the embodiment of the utility model;

fig. 4 is a perspective view of a composite medical foam cotton provided by an embodiment of the utility model.

In the figure: 101. a PU film; 102. a first adhesive layer; 200. a foamed cotton medical layer; 201. a polyurethane film layer; 202. a carboxymethyl chitosan hydrogel layer; 203. a biological light element composite medical material layer; 204. a propylene oxide layer; 205. a liquid permeable hole; 300. a protective layer; 301. a breathable layer; 302. a second adhesive layer; 303. and (4) release paper.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings of the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.

Examples

Referring to fig. 1-4, the present invention provides a technical solution: a composite medical foam cotton comprises a PU film 101 and a foam cotton medical layer 200, wherein the foam cotton medical layer 200 comprises a polyurethane film layer 201, a carboxymethyl chitosan hydrogel layer 202, a biological light element composite medical material layer 203 and a propylene oxide layer 204, the polyurethane film layer 201, the carboxymethyl chitosan hydrogel layer 202, the biological light element composite medical material layer 203 and the propylene oxide layer 204 are sequentially bonded and fixed from top to bottom, the composite medical foam cotton has good adsorption capacity and can absorb the overflowing liquid of a wound in time, a plurality of liquid permeation holes 205 are arranged on the polyurethane film layer 201, the carboxymethyl chitosan hydrogel layer 202, the biological light element composite medical material layer 203 and the propylene oxide layer 204 at equal intervals, and a plurality of liquid permeation holes 205 are communicated one by one, the bottom of the epoxypropane layer 204 is provided with a protective layer 300, and the liquid permeation holes 205 can volatilize overflowing liquid in time, so that the wound can keep proper humidity, and the wound growing environment is facilitated.

PU membrane 101 sets up in the top of polyurethane film layer 201, it is fixed to paste layer 102 bonding through first between PU membrane 101 and the polyurethane film layer 201, the overflow of wound has been adsorbed when foam cotton medicine layer 200, these overflows just can outwards volatilize through the bleeder vent on PU membrane 101, thereby can keep good gas permeability, PU membrane 101 has good gas permeability, thereby make the wound can see through penetrating liquid hole 205 and PU membrane 101 and external exchange air, the overflow that makes the wound can see through penetrating liquid hole 205 and outwards ooze, and can see through penetrating liquid hole 205 and outwards volatilize, help keeping the wound dry, avoid the overflow of wound to gather and lead to further infection in the foam below.

The carboxymethyl chitosan hydrogel layer 202 is doped with the nano far infrared powder, the thickness of the carboxymethyl chitosan hydrogel layer 202 is 0.08mm-2.5mm, the carboxymethyl chitosan hydrogel layer has the performance of carboxymethyl chitosan, can also play the effect of the nano far infrared powder, can promote and improve blood circulation, enhance the metabolism function of a human body, improve the immunity of the human body, and has the effects of diminishing inflammation, diminishing swelling and easing pain.

The biological light element composite medical material layer 203 is made of jade, pearl powder, chitin, silicon dioxide and titanium dioxide, and can be used for diminishing inflammation, sterilizing, relieving pain, diminishing swelling, relieving itching, promoting blood circulation, removing blood stasis, promoting wound healing, reducing scar and adsorbing wound overflow liquid on a wound.

Protective layer 300 is including ventilative layer 301, layer 302 and from type paper 303 are pasted to the second, ventilative layer 301, layer 302 is pasted to the second and sets gradually in the bottom on epoxypropane layer 204 from the top down from type paper 303, the thickness of ventilative layer 301 sets up to 0.25mm-0.35mm, ventilative layer 301 sets up to the PTFE membrane, it can be ventilative to make the wound, the thickness of layer 302 is pasted to first layer 102 and second all sets up to 0.35mm-0.55mm, avoid the dressing to adhere on the wound, set up to ge la xin silicone oil paper from type paper 303, play dampproofingly, grease-proofing effect.

The thickness of the foamed cotton medical layer 200 is gradually reduced from the center to the edge, the thickness of the middle part of the foamed cotton medical layer 200 is 1mm-8mm, the foamed cotton medical layer has strong adsorbability, a large amount of overflowing liquid of a wound can be absorbed, and the wound can be kept dry, and the wound is usually serious in the middle part and lighter in the part closer to the edge, so that the thickness of the foamed cotton medical layer 200 is gradually reduced from the center to the edge, the proportion of the composite medical foamed cotton which actually acts is greatly improved, and the cost is reduced.

Specifically, the working principle of the composite medical foaming cotton is as follows: when in use, the release paper 303 is uncovered, the foam cotton medical layer 200 is exposed, the polyurethane film layer 201, the carboxymethyl chitosan hydrogel layer 202, the biological light element composite medical material layer 203 and the epoxypropane layer 204 are contacted with a wound and cover the wound, the carboxymethyl chitosan hydrogel layer 202 and the biological light element composite medical material layer 203 can diminish inflammation, sterilize, relieve pain, reduce swelling, relieve itching, promote blood circulation, remove blood stasis, promote wound healing, reduce scars and absorb wound overflow, the polyurethane film layer 201 can enable wound seepage absorbed in the carboxymethyl chitosan hydrogel layer 202 to permeate and separate out, avoid damage to skin caused by excessive seepage, provide a moist healing environment for the wound, enable the composite medical foam cotton to have the functions of resisting bacteria, diminishing inflammation, relieving pain, reducing swelling, promoting healing, reducing scar formation, accelerating local blood circulation and the like, and because the foam cotton medical layer 200 is provided with a plurality of liquid permeating holes 205, the PU film 101 has good air permeability, thereby makes the wound can permeate through penetrating liquid hole 205 and PU film 101 and exchange air with the external world, makes the discharge of wound can permeate through penetrating liquid hole 205 and outwards ooze to can permeate through penetrating liquid hole 205 and volatilize outward, help keeping the wound dry, avoid the discharge of wound to gather and lead to further infection in the bubble cotton below.

It should be noted that the polyurethane film layer 201, the carboxymethyl chitosan hydrogel layer 202, the biological light element composite medical material layer 203, the propylene oxide layer 204, the first adhesive layer 102, the breathable layer 301, the second adhesive layer 302 and the release paper 303 are all common standard components or components known to those skilled in the art, and the structure and principle thereof can be known by the technical manual or by the conventional experimental method, so detailed description is omitted.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A composite medical foam cotton comprises a PU film (101) and a foam cotton medical layer (200), it is characterized in that the foamed cotton medical layer (200) comprises a polyurethane film layer (201), a carboxymethyl chitosan hydrogel layer (202), a biological light composite medical material layer (203) and a propylene oxide layer (204), the polyurethane film layer (201), the carboxymethyl chitosan hydrogel layer (202), the biological light compound medical material layer (203) and the propylene oxide layer (204) are sequentially bonded and fixed from top to bottom, a plurality of liquid permeation holes (205) are arranged on the polyurethane film layer (201), the carboxymethyl chitosan hydrogel layer (202), the biological light compound medical material layer (203) and the propylene oxide layer (204) at equal intervals, and the plurality of liquid permeating holes (205) are communicated one by one, and the bottom of the propylene oxide layer (204) is provided with a protective layer (300).

2. The composite medical foam cotton according to claim 1, wherein the PU film (101) is arranged at the top end of the polyurethane film layer (201), and the PU film (101) and the polyurethane film layer (201) are bonded and fixed through the first adhesive layer (102).

3. The composite medical foam cotton according to claim 1, wherein the thickness of the carboxymethyl chitosan hydrogel layer (202) is 0.08mm-2.5 mm.

4. The composite medical foam cotton according to claim 2, wherein the protective layer (300) comprises a breathable layer (301), a second adhesive layer (302) and release paper (303), and the breathable layer (301), the second adhesive layer (302) and the release paper (303) are sequentially arranged at the bottom of the propylene oxide layer (204) from top to bottom.

5. A composite medical foam according to claim 4, wherein the air-permeable layer (301) is provided with a thickness of 0.25mm to 0.35mm, and the air-permeable layer (301) is provided with a PTFE membrane.

6. A composite medical foam cotton according to claim 5, wherein the thickness of the first adhesive layer (102) and the second adhesive layer (302) is 0.35mm-0.55mm, and the release paper (303) is glassine.

7. The composite medical foam cotton according to claim 1, wherein the thickness of the foam cotton medical layer (200) is gradually reduced from the center to the edge, and the thickness of the middle part of the foam cotton medical layer (200) is 1mm-8 mm.