External preparation for wounds

Details External preparation for wounds External preparation for wounds

A - Human Necessities

61

K

A61K 9/06 (2006.01) A61K 47/30 (2006.01) A61L 15/22 (2006.01) A61L 15/60 (2006.01) A61L 26/00 (2006.01)

Patent

CA 2480889

There is provided an external preparation for wounds which has novel usability in treating skin damages accompanied by a large amount of exudation such as bedsores, skin ulcers, and burns, and yet has such advantages as observed in conventional medicines having been employed in treating these wounds. The external preparation for wounds comprises a water-soluble polymer and a crosslinking agent, and has powdery/granular or ointment form. After absorbing an exudation, the preparation undergoes phase transition from a sol to a gel by the action of ingredient of the preparation, and thus exhibits actions of adsorbing and eliminating necrotic tissues, and protecting the wounded parts. Subsequently, it can continuously absorb the exudation. After being used, it can be easily separated substantially as a mass, thereby exhibiting high therapeutic effects and usability.

L'invention concerne un médicament topique pour soigner les plaies, destiné plus particulièrement au traitement de lésions cutanées qui s'accompagnent d'une exsudation importante, telles que les escarres, les ulcères cutanés et les brûlures, présentant les mêmes avantages que les médicaments classiques utilisés pour traiter les plaies. Ce médicament contient un polymère hydrosoluble et un agent de réticulation et se présente sous forme d'une poudre ou d'une pommade. Après avoir absorbé l'exsudat, le médicament subit une transition de phase et passe d'un sol à un gel. Ce gel permet, d'une part, d'absorber et d'éliminer les tissus nécrosés et, d'autre part, de protéger la surface de la plaie. Le médicament permet également, par la suite, d'absorber toutes les exsudations. Après son utilisation, le médicament peut être facilement séparé dans sa totalité comme une masse, ce qui le rend à la fois hautement efficace sur le plan thérapeutique et très facile à utiliser.

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