Electrode and iontophoretic device and method
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United States of America Patent
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Jun 20, 2000
Grant Date -
N/A
app pub date -
Dec 23, 1997
filing date -
Apr 8, 1997
priority date (Note) -
Expired
status (Latency Note)
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Abstract
An improved electrode and iontophoretic device and method where the electrode exhibits varied resistance. The electrode is made of a conductive material and applied to a flexible substrate. The variation in resistance can be achieved by varying the thickness of the electrode across its length or by varying the conductivity of the material across the area of the electrode or a combination of both. A pair of such electrodes may be used with a power source in electrical relation thereto and applied over a layer of agent to the skin to deliver the agent into the skin iontophoretically. The pair of electrodes may be shaped so as to cover a portion of the face, hands, feet or other body parts to iontophoretically apply particular agents to those areas.
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