Medical hydrocolloid dressing and preparation method

Abstract

The invention relates to a medical hydrocolloid dressing and a preparation method. The preparation method includes the following steps that CMC-Na is taken, water is added so that the CMC-Na can swell, then PVA is added, and a I-phase solution is obtained by taking 60 parts of a mixed solution; rubber and paraffin oil are taken, 20 parts of a mixture of the rubber and the paraffin oil are taken, antioxidants are added into the 20 parts of the mixture, and a mixed solution of the rubber and the paraffin oil is obtained after the rubber is dissolved in the paraffin oil and serves as a II-phase solution; double coptis extracts and the II-phase solution are fast poured into the I-phase solution, a mixture of sodium bicarbonate and citric acid is added, a proper quantity of a mixed solution is taken and smeared to an anti-adhesion film, a hydrocolloid wound dressing base is obtained, brucea javanica particles are ground into powder, the powder is mixed with clean water, the mixture is stirred into paste, and paste I is obtained; a proper amount of refreshing oil is taken and completely molten at a certain temperature and is completely mixed with the paste I so that paste II can be obtained; the paste II is evenly smeared on the hydrocolloid wound dressing base, and the medical hydrocolloid dressing is obtained. The method is simple, cost is low, and the prepared novel medical hydrocolloid dressing is high in water absorbing quality and excellent in performance and has a high antibacterial effect.

Description

technical field [0001] The invention relates to a medical dressing, in particular to a medical hydrocolloid dressing and a preparation method thereof. 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 biocompatibilit...

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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