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Healing-promoting biologically environmentally-friendly medical dressing and manufacturing method thereof

A technology of bio-environmental protection and manufacturing method, which is applied in the field of medical dressings and dressings, can solve the problems of unfavorable wound healing, weak moisture absorption effect, poor green environmental protection, etc., and achieve the effect of favorable wound healing, strong moisture absorption effect, and good sterilization effect

Active Publication Date: 2019-03-26
WUHAN TEXTILE UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The purpose of the present invention is to overcome the defects and problems existing in the prior art that the moisture absorption effect is weak, the environmental protection is poor, and it is not conducive to wound healing, and to provide a hygroscopic effect, good environmental protection, and beneficial to wound healing. Healing-promoting bio-environmental protection medical dressing and manufacturing method thereof

Method used

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  • Healing-promoting biologically environmentally-friendly medical dressing and manufacturing method thereof
  • Healing-promoting biologically environmentally-friendly medical dressing and manufacturing method thereof
  • Healing-promoting biologically environmentally-friendly medical dressing and manufacturing method thereof

Examples

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Effect test

Embodiment 1

[0050] see Figure 1 to Figure 4 , a healing-promoting bio-environmental protection medical dressing, comprising a moisture-absorbing top layer 1, a magnetic therapy moisture-absorbing layer 2 and a carrier layer 3, the bottom surface of the moisture-absorbing top layer 1 is connected to the top surface of the magnetic therapy moisture-absorbing layer 2, and the magnetic therapy moisture-absorbing layer 2 The bottom surface of the bottom surface is connected with the top surface of the carrier layer 3; the moisture-absorbing top layer 1 is cut from chitosan nanofiber membrane, and the manufacturing process of the chitosan nanofiber membrane is electrospinning, and the chitosan nanofiber membrane The raw materials of the film are acetic acid, chitosan and polyethylene oxide. The composition and weight ratio of the chitosan nanofiber membrane are preferably: acetic acid 93.4-97.7, chitosan 2-5, polyethylene oxide 0.7-1.7, and the composition and weight ratio of the chitosan nano...

Embodiment 2

[0052] Basic content is the same as embodiment 1, the difference is:

[0053] The magnetic therapy hygroscopic layer 2 includes a magnetic substance and a hygroscopic substance in an integrated structure, wherein the magnetic substance includes NdFeB rare earth magnetic powder, and the hygroscopic substance includes silk fibroin, sodium alginate, and glycerin. The raw materials and weight ratios of the magnetic therapy hygroscopic layer 2 are: 50-60 silk fibroin solution, 0.8-1 glycerin, 0.5-1 sodium alginate, and 2-3 NdFeB rare earth magnetic powder. The preferred raw materials and weight ratios for the magnetic therapy hygroscopic layer 2 are: 55% silk fibroin solution, 0.9% glycerin, 0.75% sodium alginate, and 2.5% NdFeB rare earth magnetic powder.

[0054] A preparation process for the above-mentioned magnetic therapy moisture-absorbing layer 2, comprising the following steps: firstly prepare a silk fibroin solution from silk, then add glycerin to the silk fibroin solution...

Embodiment 3

[0056] Basic content is the same as embodiment 2, the difference is:

[0057] The silk fibroin solution is formed by degumming and dialysis of silk. The production process is as follows: first put the silk into sodium carbonate solution for degumming, and then rinse it with normal temperature water. The degumming temperature is higher than normal temperature. , and then vacuum-dried the obtained product to obtain silk fibers, and then mixed the silk fibers in a lithium bromide solution and dialyzed for three days to obtain a silk fibroin solution. The water change frequency during the dialysis process was 1 h / time.

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Abstract

A healing-promoting biologically environmentally-friendly medical dressing comprises a moisture-absorbing top layer, a magnetic therapy moisture-absorbing layer and a carrier layer, the bottom surfaceof the moisture-absorbing top layer is connected with the top surface of the magnetic therapy moisture-absorbing layer, the bottom surface of the magnetic therapy moisture-absorbing layer is connected with the top surface of the carrier layer, the moisture-absorbing top layer is formed by cutting a chitosan nanofiber membrane, the chitosan nanofiber membrane is manufactured through electrospinning raw materials comprising acetic acid, chitosan and polyoxyethylene, and the magnetic therapy moisture-absorbing layer comprises a magnetic substance and a moisture-absorbing substance which form anintegrated structure, wherein the magnetic substance comprises neodymium-iron-boron-rare earth magnetic powder, and the moisture-absorbing substance comprises silk fibroin, sodium alginate and glycerin. The dressing has the advantages of strong moisture-absorbing effect, magnetic therapy function, facilitation of wound healing, good green and environmentally-friendly property, good sterilization effect, high manufacturing efficiency and low cost.

Description

technical field [0001] The invention relates to a dressing, which belongs to the field of medical dressings, in particular to a healing-promoting bio-environmental protection medical dressing and a manufacturing method thereof, which are particularly suitable for enhancing moisture absorption effects and adding magnetic therapy effects, and are environmentally friendly. Background technique [0002] Wound healing is a complex process, and multiple external factors will directly or indirectly affect the healing, these factors include wound temperature, humidity, PH value, oxygen content and microbial survival, etc. Therefore, to promote wound healing must Multiple considerations not only need to pay attention to conventional influencing factors, but also some additional factors that can promote wound healing, such as magnetic fields. In addition, the manufacturing cost and waste disposal cost of dressings must be considered, and green and environmentally friendly materials sho...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61F13/00A61F13/02A61N2/08A61L15/46A61L15/28A61L15/26A61L15/42A61L15/62A61L15/32A61L15/20A61L15/18
CPCA61L15/18A61L15/20A61L15/26A61L15/28A61L15/32A61L15/42A61L15/425A61L15/46A61L15/62A61N2/06A61F13/00051A61F13/00063A61F13/0206A61L2300/232A61L2300/404A61F13/05C08L5/08C08L71/02C08L89/00C08L5/04
Inventor 张如全胡冰钰雷敏
Owner WUHAN TEXTILE UNIV
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