Surgery – Means for introducing or removing material from body for... – Infrared – visible light – ultraviolet – x-ray or electrical...
Patent
1993-07-30
1995-06-13
Pfaffle, Krista M.
Surgery
Means for introducing or removing material from body for...
Infrared, visible light, ultraviolet, x-ray or electrical...
607149, 607152, 607153, A61N 130
Patent
active
054237394
ABSTRACT:
An iontophoretic device having a two-layer active electrode element is disclosed. The active element is composed of overlapping skin contact hydrogel and carrier layers. 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 manufactured or substantially dry and capable of being hydrated before use. The skin contact hydrogel of the two-layer active electrode element preferably.
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Holmblad Carolann
Howland Warren W.
Jevne Allan H.
Phipps Joseph B.
ALZA Corporation
Pfaffle Krista M.
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