Absorbable anti-adhesion dressing and preparation method thereof
An anti-adhesion, mixed-liquid technology, applied in dressings, absorbent pads, adhesive dressings, etc., can solve problems such as exogenous infection, adhesion of clothing and dust, delayed wound healing, etc., and achieve good degradability and mechanical properties. , easy to obtain, the effect of promoting one-way absorption
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Embodiment 1
[0031]An absorbable anti-adhesion dressing, the absorbable anti-adhesion dressing is composed of a hydrophobic layer, a hydrophilic layer and a protective layer from the side close to the skin; the hydrophobic layer is polycaprolactone / chitosan loaded with microspheres Porous sugar film, the microspheres are made of sodium alginate, Chinese medicine extract, epidermal growth factor, chitosan and lecithin, and the Chinese medicine extract is the extract of Panax notoginseng, Artemisia argyi and Centella asiatica; The material of the hydrophilic layer is one or more of hyaluronic acid, gelatin, sodium alginate or keratin; the protective layer is composed of eggshell membrane and modified polyurethane film, and the modified polyurethane film is Sodium carboxymethyl cellulose modified polyurethane film.
[0032] The eggshell membrane is to knock out the egg white and yolk of the egg, peel off the inner membrane, wash the remaining egg white liquid on the membrane, and soak it in a...
Embodiment 2
[0042] An absorbable anti-adhesion dressing, the absorbable anti-adhesion dressing is composed of a hydrophobic layer, a hydrophilic layer and a protective layer from the side close to the skin; the hydrophobic layer is polycaprolactone / chitosan loaded with microspheres Porous sugar film, the microspheres are made of sodium alginate, Chinese medicine extract, epidermal growth factor, chitosan and lecithin, and the Chinese medicine extract is the extract of Panax notoginseng, Artemisia argyi and Centella asiatica; The material of the hydrophilic layer is one or more of hyaluronic acid, gelatin, sodium alginate or keratin; the protective layer is composed of eggshell membrane and modified polyurethane film, and the modified polyurethane film is Sodium carboxymethyl cellulose modified polyurethane film.
[0043] The eggshell membrane is after the egg white and egg yolk are knocked out, the inner membrane is peeled off, the egg white liquid remaining on the membrane is cleaned, an...
Embodiment 3
[0053] An absorbable anti-adhesion dressing, the absorbable anti-adhesion dressing is composed of a hydrophobic layer, a hydrophilic layer and a protective layer from the side close to the skin; the hydrophobic layer is polycaprolactone / chitosan loaded with microspheres Porous sugar film, the microspheres are made of sodium alginate, Chinese medicine extract, epidermal growth factor, chitosan and lecithin, and the Chinese medicine extract is the extract of Panax notoginseng, Artemisia argyi and Centella asiatica; The material of the hydrophilic layer is one or more of hyaluronic acid, gelatin, sodium alginate or keratin; the protective layer is composed of eggshell membrane and modified polyurethane film, and the modified polyurethane film is Sodium carboxymethyl cellulose modified polyurethane film.
[0054] The eggshell membrane is after the egg white and egg yolk are knocked out, the inner membrane is peeled off, the egg white liquid remaining on the membrane is cleaned, an...
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