A kind of preparation method of medical hydrocolloid dressing

Abstract

The invention relates to a preparation method of a medical hydrocolloid dressing, comprising the following steps: taking CMC-Na, adding water to make it swell, then adding PVA, taking 60 parts to obtain a phase I solution; taking rubber and paraffin oil, taking 20 parts of two The mixture of the two, add antioxidant, and wait until the rubber is dissolved in the paraffin oil to obtain a mixed solution of the two as a phase II solution; quickly pour the Shuanghuanglian extract and phase II solution into the phase I solution, add sodium bicarbonate and lemon Acid mixture, take an appropriate amount and apply it on the release film to obtain a hydrocolloid wound dressing base, grind the brucella granules into powder and mix with water, and stir into a paste to obtain a paste I; take an appropriate amount of cool oil and melt it completely at a certain temperature , and fully mixed with the paste I to obtain paste II; the paste II is evenly coated on the base of the hydrocolloid wound dressing to obtain a medical hydrocolloid dressing. The method of the invention is simple and low in cost, and the prepared novel medical dressing has strong water absorption, excellent performance and strong antibacterial effect.

Description

technical field [0001] The invention relates to a medical dressing, in particular to a preparation method of a medical hydrocolloid dressing. Background technique [0002] The representative of traditional dressing is gauze. Gauze is an inert dressing made from cotton, linen, and burlap. Although this kind of dressing has the advantages of protecting the wound surface, good absorption, cheap price, simple production, and reusable, it also has outstanding disadvantages, such as no obvious promotion effect on the healing of the wound surface; it may cause pain when changing the dressing; the dressing is soaked When changing the dressing, the pathogens are easy to pass through; the workload of changing the dressing is heavy; when changing the dressing, it is easy to damage the new tissue. The shortage of traditional dressings has promoted the development of new dressings. [0003] The characteristics that an ideal dressing should have include: good biocompatibility, control ...

AI Technical Summary

Problems solved by technology

Although this kind of dressing has the advantages of protecting the wound surface, good absorption, cheap price, simple production, and reusable, it also has outstanding disadvantages, such as no obvious promotion effect on the healing of the wound surface; it may cause pain when changing the dressing; the dressing is soaked When changing the dressing, the pathogens are easy to pass through; the workload of changing the dressing is heavy; when changing the dressing, it is easy to damage the new tissue, etc.

Insufficiency of traditional dressings prompts development of new dressings

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