Device and method for iontophoretic drug delivery

Details Device and method for iontophoretic drug delivery Device and method for iontophoretic drug delivery

A - Human Necessities

61

N

A61N 1/30 (2006.01) A61K 9/00 (2006.01) A61K 9/70 (2006.01) A61K 47/32 (2006.01) A61L 15/60 (2006.01) C08L 33/02 (2006.01) C09J 133/26 (2006.01)

Patent

CA 2079315

An iontophoretic device having a two-layer active electrode element (20) is disclosed. The active element is composed of overlapping skin contact hydrogel (21) and carrier layers (22). The carrier layer contains dispersed or dissolved active agent. The active electrode element maintains the active agent in stable form and permits efficient transport of the active agent to the host. Also disclosed is an iontophoretic device having a single layer active electrode element. The single layer is a hydrogel as manufac- tured or substantially dry and capable of being hydrated before use. The skin contact hydrogel of the two-layer active electrode element preferably is adhesive.

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