Inhalation device

Details Inhalation device Inhalation device

1998-08-03

2000-09-12

Weiss, John G.

Surgery

Respiratory method or device

Means for mixing treating agent with respiratory gas

12820321, A61M 1500

Patent

active

061162396

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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