Galvanically active transdermal therapeutic system

Details Galvanically active transdermal therapeutic system Galvanically active transdermal therapeutic system

A - Human Necessities

61

N

A61N 1/30 (2006.01) A61N 1/18 (2006.01)

Patent

CA 2042202

A transdermal therapeutic system which is composed of layers exhibits an electrically insulating backing layer (1) being impermeable to active substances, and two galvanic elements which are positioned in separation from each other. The skin-facing electrodes of the galvanic elements have layers thereon consisting of a liquid absorbing material becoming ionically conductive after liquid admission. The layer of at least one of the dermad electrodes comprises a pharmaceutical active substance.

L'invention est un système thérapeutique transdermique constitué de couches dont l'une est une couche de support électriquement isolante (1) imperméable aux substances actives, et de deux éléments galvaniques séparés l'un de l'autre. Les électrodes de ces éléments galvaniques qui sont appliquées sur la peau ont des couches faites d'un matériau absorbant les liquides dans lesquelles une migration ionique s'établit après la pénétration du liquide. La couche de l'une au moins des électrodes contient une préparation pharmaceutique active.

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