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Device and method for iontophoretic drug delivery

  • US 5,558,633 A
  • Filed: 12/01/1994
  • Issued: 09/24/1996
  • Est. Priority Date: 03/30/1990
  • Status: Expired due to Term
First Claim
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1. An iontophoretic delivery device, comprising:

  • a source of current;

    an active electrode element in electrical contact with the source of current and adapted to make ion-transmitting contact with a body surface of a host, the active electrode element comprising a single polymer layer adapted to be placed in an ion-transmitting relation with the body surface and which contains an active agent having an electrical charge and being suitable for administration through the body surface of the host, said polymer layer containing an ionic organic polymer component with counter ions, said ionic organic polymer component having at least some pendent substituents having said charge; and

    a counter electrode element in electrical contact with the current source and being adapted to be placed in ion-transmitting relation with the body surface.

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