Skin electrode construction and transdermal drug delivery device utilizing same
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United States of America Patent
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Oct 20, 1992
Grant Date -
N/A
app pub date -
Dec 13, 1990
filing date -
Dec 13, 1990
priority date (Note) -
Expired
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Abstract
A transdermal drug delivery device includes an electrode, a porous insulating layer on one side of the electrode and impregnated with a liquid containing the drug to be delivered, a reservoir for the liquid on the other side of the electrode, and a displaceable diaphragm controlling the feeding of the liquid from the reservoir to the porous insulating layer via a passageway through the electrode.
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