Transdermal drug delivery devices having coated microprotrusions
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United States of America Patent
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May 26, 2009
Grant Date -
Sep 12, 2002
app pub date -
Oct 26, 2001
filing date -
Oct 26, 2000
priority date (Note) -
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status (Latency Note)
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Abstract
A device (12) and method are provided for percutaneous transdermal delivery of a potent pharmacologically active agent. The agent is dissolved in water to form an aqueous coating solution having an appropriate viscosity for coating extremely tiny skin piercing elements (10). The coating solution is applied to the skin piercing elements (10) using known coating techniques and then dried. The device (12) is applied to the skin of a living animal (e.g., a human), causing the microprotrusions (10) to pierce the stratum corneum and deliver a therapeutically effect dose of the agent to the animal.
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