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Breathable moisture-absorbing wound dressing patch

A breathable, material-sticking technology, applied in dressings, viscous dressings, absorbent pads, etc., can solve the problems of poor mechanical strength of hydrogels, limited application of wound dressings, unfavorable rapid wound healing, etc., and achieves short onset time and permeability. Good moisturizing effect to avoid skin irritation

Active Publication Date: 2019-03-19
苏州榭睿迦医疗科技发展有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the mechanical strength of the hydrogel prepared purely from chitosan is poor, which limits its application in wound dressings.
At the same time, the air permeability of the above-mentioned materials is poor, which is not conducive to the rapid healing of wounds.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0023] Embodiment 1: the preparation of antibacterial layer gel

[0024] Weigh 0.5 grams of chitosan and put it in a stirrer, add 100 milliliters of purified water, stir well, the stirring speed is 450r / min, until it is completely dispersed, add 3 grams of gelatin to the solution, and heat it on a water bath at 70°C. Until the gelatin is completely dissolved, then add 1.5 grams of chitooligosaccharides and 5 grams of oxidized sodium alginate and stir to make it completely dispersed. The stirring speed is 400r / min, and stir until a gel is formed. Finally, let stand to remove foam and pack Sterilization is the finished product.

Embodiment 2

[0025] Embodiment 2: the preparation of antibacterial layer gel

[0026] Weigh 2 grams of chitosan and put it in a stirrer, add 100 milliliters of purified water, stir evenly, the stirring speed is 500r / min, until completely dispersed, add 5 grams of gelatin in the solution, put it on the water bath of 70 ℃ and heat, Until the gelatin is completely dissolved, then add 2.0 grams of chitooligosaccharides and 3 grams of oxidized sodium alginate and stir to make it completely dispersed. The stirring speed is 450r / min, and stir until a gel is formed. Finally, let stand to remove foam and pack Sterilization is the finished product.

Embodiment 3

[0027] Embodiment 3: the preparation of antibacterial layer gel

[0028] Weigh 3 grams of chitosan and put it in a stirrer, add 100 milliliters of purified water, stir evenly, the stirring speed is 500r / min, until it is completely dispersed, add 2 grams of gelatin to the solution, heat it on a water bath at 60°C, Until the gelatin is completely dissolved, then add 1.0 g of chitooligosaccharides and 4 g of oxidized sodium alginate and stir to make it completely dispersed. The stirring speed is 500 r / min, and stir until a gel is formed. Finally, let stand to remove foam and pack Sterilization is the finished product.

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PUM

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Abstract

The invention belongs to the technical field of medical material production and particularly discloses a breathable moisture-absorbing wound dressing patch. A bacteriostatic layer of the multi-layer breathable moisture-absorbing wound dressing patch is made from gel prepared from chitosan, chitosan oligosaccharide, oxidized sodium alginate, gelatin and purified water and has the multiple effects of short acting time, long acting time, bleeding stopping, pain easing, healing promotion and the like, a moisture-absorbing layer can absorb liquid on the skin, keeps wound dry, is prepared from silica gel and sodium hydroxycellulose and has a good breathability while absorbing moisture, a waterproof layer can make water steam pass through and discharged to the outside and further keep the skin dry, is suitable for long-time attachment to the human body surface and avoids skin sensibility and discomfort. The wound dressing patch has high hydroscopicity, breathability, moisture penetrability and good biocompatibility and can be widely used for bandage, rehabilitation and treatment of various wounds.

Description

technical field [0001] The invention relates to a medical dressing, in particular to a moisture-absorbing and breathable wound dressing. Background technique [0002] Dressings are widely used in dressing and emergency treatment of various wounds due to their wide practicability and good effect, and are deeply loved by patients; earlier dressing products were mainly traditional adhesive plasters and black plasters. Patients are prone to allergies after using the dressing, and there will be tearing pain when it is torn off; at present, the newer dressings use water-soluble polymer materials as the matrix skeleton, which is rich in 60% water, and through the contained menthol The physical effect of active ingredients and hydrogel achieves the effect of cold compress therapy, which can reduce joint tissue damage, eliminate swelling and pain, and reduce inflammation. Although it solves the unfavorable factors of old-fashioned dressings, the structure is still relatively simple. ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61F13/02A61L15/28A61L15/32A61L15/42A61L15/46
CPCA61F13/0213A61F13/0223A61F13/0253A61F2013/00463A61F2013/00604A61F2013/00676A61F2013/0091A61F2013/00927A61L26/0023A61L26/0038A61L26/0066A61L26/008A61L2300/232A61L2300/404C08L5/08C08L5/04
Inventor 张宏宇肖健许可吴疆
Owner 苏州榭睿迦医疗科技发展有限公司
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