Transdermal drug delivery device
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United States of America Patent
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-
Aug 4, 1992
Issued Date -
N/A
app pub date -
Nov 21, 1990
filing date -
Jul 10, 1986
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A transdermal device having a detachably mounted electrode with a first surface adapted for contact with human skin and through which a drug substance contained in the electrode passes to the skin under the influence of an iontophoretic or electro-osmotic force and a second surface which is electrically conducting, the electrode has a surface area in contact with the skin, in use, in the range 0.1 to 30 cm.sup.2 and a drug dissolved or dispersed in a hydrophilic medium at a concentration in the range 0.1 to 15% (w/v) based on the hydrophilic medium.
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