Electrode Assembly for Dry Type Iontophoresis
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United States of America Patent
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Issued Date -
Dec 3, 2009
app pub date -
Sep 28, 2006
filing date -
Sep 28, 2005
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
An iontophoresis device capable of stably holding a drug for a long time period and of transdermally administering the drug at a high transport number during use. The iontophoresis device includes a drug holding portion to store the ionic drug in a dry state and at least an aqueous medium holding portion to store an aqueous medium. The drug holding portion exhibiting ion conductivity in response to a needle inserted into the aqueous medium holding portion from outside the electrode assembly such that the drug holding portion is supplied with the aqueous medium during use and the ionic drug dissolves in the aqueous medium.
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