Reservoir system comprising a closed membrane

Details Reservoir system comprising a closed membrane Reservoir system comprising a closed membrane

A - Human Necessities

61

K

A61K 9/70 (2006.01) A61L 15/44 (2006.01)

Patent

CA 2692364

Dermal or transdermal therapeutic system (100) comprising a reservoir (5) that contains at least one active substance (4), an active substance-permeable membrane (3) which delimits the active-sub stance reservoir, and a closing layer (2), the closing layer (2) being impermeable to the at least one active substance at a temperature lying below the skin temperature while being permeable at skin temperature or above.

L'invention concerne un système thérapeutique dermique ou transdermique (100) qui comprend un réservoir (5) contenant au moins un principe actif (4), une membrane (3) perméable aux principes actifs et délimitant le réservoir de principes actifs, ainsi qu'une couche obturatrice (2). Selon l'invention, la couche obturatrice (2) ne laisse pas passer le principe actif à une température inférieure à la température de la peau mais le laisse passer à une température au moins égale à la température de la peau.

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