Drug delivery articles utilizing electrical energy
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United States of America Patent
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May 8, 1990
Grant Date -
N/A
app pub date -
Sep 8, 1988
filing date -
Sep 8, 1988
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
Drug delivery articles employ an electrical resistance heating element and an electrical power source to provide a dose of a drug in aerosol form. The articles advantageously comprise a disposable portion and a reusable controller. The disposable portion, normally includes a drug and an air permeable resistance heating element having a surface area greater than 1 m.sup.2 /g, which usually carries an aerosol forming material. The reusable controller normally includes a puff-actuated current actuation means, a time-based current regulating means to control the temperature of the heating element, and a battery power supply.
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