A - Human Necessities – 61 – M
Patent
A - Human Necessities
61
M
A61M 35/00 (2006.01) A61F 13/02 (2006.01) A61K 9/70 (2006.01) A61N 5/06 (2006.01)
Patent
CA 2527371
The invention relates to a method for improving the permeability of the human skin in order to transdermally supply active substances, permeability being improved by means of a plaster that is transparent in at least some areas, contains active substance, and is flexible in at least some areas, and at least one external light source. According to said method, light that is emitted at least for a short period of time by an external light source and normally impinges at least some areas of the plaster is focused onto the stratum corneum of the skin with the aid of a plurality of individual focusing lenses which are integrated into the plaster so as to bring about changes in the stratum corneum, said changes improving the permeability of the skin. The inventive method for improving the permeability of the human skin allows for reproducible permeability for specific active substances.
L'invention concerne un procédé pour améliorer la perméabilité de la peau de l'homme, pour la pénétration transcutanée d'agents actifs, au moyen d'un pansement au moins partiellement transparent, au moins partiellement souple et contenant un agent actif, avec au moins une source lumineuse externe. Selon l'invention, la lumière de la source lumineuse externe, émise au moins brièvement et ayant une incidence au moins partiellement normale sur le pansement, est focalisée sur la couche cornée de la peau par une pluralité de lentilles de convergence intégrées dans le pansement, afin de modifier la couche cornée et d'améliorer ainsi la perméabilité de la peau. Le procédé pour améliorer la perméabilité de la peau de l'homme selon l'invention permet de reproduire une perméabilité donnée pour des agents actifs déterminés.
Fetherstonhaugh & Co.
Lts Lohmann Therapie-Systeme Ag
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