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Medical hemostatic polysaccharide dressing core

A polysaccharide and core coating technology, which is applied in the field of medical hemostatic polysaccharide core coating, can solve the problems of reduced wound healing efficiency, poor ventilation of wound dressings, weak absorption of secretions, etc. Effects of cell migration and cell proliferation, promoting wound healing

Inactive Publication Date: 2021-12-10
扬州市凯瑞特医疗用品有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The purpose of the present invention is to provide a medical hemostatic polysaccharide core, which has the advantage of high absorbency, and solves the problems of poor gas permeability and low secretion absorption ability of existing wound dressings, which further reduces the wound healing efficiency.

Method used

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  • Medical hemostatic polysaccharide dressing core
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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0024] The preparation steps of the alginate dressing layer: (1) Take 8 parts of carboxymethyl chitosan, 1 part of shell hyaluronic acid chitosan, 0.1 part of antibacterial peptide, 0.5 part of sodium carboxymethyl cellulose, epidermal cells Add 0.3 parts of growth factor and 0.3 parts of collagen to 52 parts of water, mix well to obtain a functional soaking solution; (2) take 6 parts of alginate fiber non-woven fabric and immerse in the soaking solution prepared in step (1) for 6 hours, The alginate fiber non-woven fabric is taken out, freeze-dried and irradiated to obtain the alginate dressing layer.

[0025] A medical hemostatic polysaccharide core, comprising a laminated composite waterproof breathable film, chitosan fiber film layer, hyaluronic acid fiber film layer, alginate dressing layer, adhesive layer, glossy surface release paper layer; the center of the waterproof breathable film is set It is a structure with an annular groove, the chitosan fiber film layer is arra...

Embodiment 2

[0026] Embodiment 2: the preparation operation steps of alginate dressing layer: (1) get 10 parts of carboxymethyl chitosan, 2 parts of shell class hyaluronic acid chitosan, 0.13 part of antimicrobial peptide, sodium carboxymethyl cellulose 3 parts 0.4 parts of epidermal growth factor and 0.3 parts of collagen were added to 60 parts of water and mixed evenly to obtain a functional soaking solution; (2) 4 parts of alginate fiber non-woven fabric were immersed in the soaking solution prepared in step (1) After 6 hours, the alginate fiber non-woven fabric was taken out, freeze-dried and irradiated to obtain the alginate dressing layer.

[0027] A medical hemostatic polysaccharide core, comprising a laminated composite waterproof breathable film, chitosan fiber film layer, hyaluronic acid fiber film layer, alginate dressing layer, adhesive layer, glossy surface release paper layer; the center of the waterproof breathable film is set It is a structure with an annular groove, the ch...

Embodiment 3

[0028] Embodiment 3: the preparation operation steps of alginate dressing layer: (1) get 11 parts of carboxymethyl chitosan, 3 parts of shell class hyaluronic acid chitosan, 0.15 part of antimicrobial peptide, sodium carboxymethyl cellulose 6 parts 0.5 parts of epidermal growth factor and 0.5 parts of collagen were added to 72 parts of water and mixed evenly to obtain a functional soaking solution; (2) Take 3 parts of alginate fiber non-woven fabrics and immerse them in the soaking solution prepared in step (1) After 6 hours, the alginate fiber non-woven fabric was taken out, freeze-dried and irradiated to obtain the alginate dressing layer.

[0029] A medical hemostatic polysaccharide core, comprising a laminated composite waterproof breathable film, chitosan fiber film layer, hyaluronic acid fiber film layer, alginate dressing layer, adhesive layer, glossy surface release paper layer; the center of the waterproof breathable film is set It is a structure with an annular groov...

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Abstract

The invention relates to a medical hemostatic polysaccharide dressing core. The medical hemostatic polysaccharide dressing core comprises a substrate layer, a dressing core layer, a bonding layer and a glossy surface paper removing layer, wherein the dressing core layer comprises a first dressing layer, a second dressing layer and a third dressing layer which are stacked and laminated together; an annular groove is formed in the center of the substrate layer, and the first dressing layer is arranged in the annular groove; a square groove is formed in the middle of the first dressing layer, the second dressing layer is arranged in the square groove, a plurality of holes are formed in the second dressing layer, and each hole is filled with the third dressing layer; the bonding layer is arranged between the edge of the substrate layer and the groove, and the glossy surface paper removing layer is bonded on the surface of the substrate layer through the bonding layer and covers the core applying layer; and the first dressing layer is a chitosan fiber membrane layer and is formed by electrospinning chitosan and glycerol according to a weight part ratio of 10: 2. According to the medical hemostatic polysaccharide dressing core, the problems that an existing wound dressing is poor in breathability and secretion absorption capacity, and then, the wound healing efficiency is lowered are solved.

Description

technical field [0001] The invention relates to the technical field of medical dressing materials, in particular to a medical hemostatic polysaccharide dressing core. Background technique [0002] The skin is an important organ of the human body, composed of epidermis, dermis and subcutaneous tissue. The basic functions of the skin have five aspects: protection function, temperature regulation function, sensory function, perspiration function and absorption function. At the same time, it has important physical, chemical and biological barrier functions. As the first barrier of the human body, the skin is extremely vulnerable to damage in daily life. Improper use of knives, falls, traffic accidents, fights, etc. may cause acute trauma to the skin; skin ulcers, especially chronic skin ulcers, as a Common diseases have a long course of disease, are difficult to cure and are prone to recurrence, which seriously affect the quality of life and work of patients. Various damages c...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61F13/00A61L15/28A61L15/42A61L15/44A61L15/46
CPCA61F13/00063A61F13/00987A61L15/28A61L15/44A61L15/46A61L15/42A61L2400/12A61L2400/04A61L2300/232A61L2300/236A61L2300/41A61L2300/418A61L2300/404A61L2300/412A61F13/01029C08L5/08C08L5/04
Inventor 倪凯
Owner 扬州市凯瑞特医疗用品有限公司
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