Inhalation device
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Sep 12, 2000
Grant Date -
N/A
app pub date -
Aug 3, 1998
filing date -
Aug 7, 1997
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An inhalation device for use in delivering a powdered substance to a user, the inhalation device comprises a housing including a holding portion for holding the substance; an air entry passageway sized and configured to direct air entering the inhalation device at the portion and to fluidize the substance upon inhalation by the user; a hold-up chamber in flow communication with the holding portion for receiving the fluidized substance and maintaining the substance in a fluidized state during inhalation by the user; and an air exit passageway in flow communication with the hold-up chamber and adapted to deliver the substance to the user.
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