Iontophoresis device and energization method

A - Human Necessities – 61 – N

Patent

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A61N 1/30 (2006.01)

Patent

CA 2367482

An iontophoresis device and current application method capable of efficiently and continuously administer a prostaglandin to a skin or mucous membrane. The iontophoresis device comprises a first electrode structural body (31), a second electrode structural body (32), and a power supply (33) electrically connected to both electrode structural bodies (31, 32). At least one of the electrode structural bodies (31, 32) contains a prostaglandin and has stabilizing means for suppressing hydrolysis of the prostaglandin while being stored. The power supply (33) has constant-current supply means and, when both electrode structural bodies contain a prostaglandin, polarity inverting means. The prostaglandin is administered to a skin or mucous membrane by means of the output current.

Cette invention se rapporte à un dispositif d'iontophorèse et à un procédé d'application de courant, qui sont capables d'administrer de manière efficace et en continu une prostaglandine dans la peau ou dans une membrane muqueuse. Le dispositif d'iontophorèse comprend une première structure électrode (31), une seconde structure électrode (32) et une alimentation (33) connectée électriquement aux deux structures électrodes (31, 32). Au moins l'une des structures électrodes (31, 32) contient une prostaglandine et possède un moyen de stabilisation servant à supprimer l'hydrolyse de la prostaglandine, pendant son stockage. L'alimentation (33) est constituée par un moyen d'alimentation à courant constant et, lorsque les deux structures électrodes contiennent une prostaglandine, par un moyen d'inversion de la polarité. La prostaglandine est administrée dans la peau ou dans une membrane muqueuse par le courant de sortie.

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