Medicinal powder delivery system
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United States of America Patent
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-
Oct 5, 2004
Grant Date -
Sep 30, 2004
app pub date -
Mar 31, 2003
filing date -
Jun 19, 2002
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A medicinal delivery system utilizing a gaseous propellant source. The system includes a nozzle having an entrance and exit for passing medicinal powder material threrethrough. A conduit is also utilized to direct gaseous propellant to a place adjacent the nozzle exit. A flow shaper produces a vortex stream of the gaseous propellant which mixes with the medicinal powder material exiting the nozzle. The medicinal powder, gaseous propellant, and air are mixed in a vessel chamber and forced from the vessel chamber through an exit for use as a homogeneous aerosol.
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