Moisture protected powder inhaler

Details Moisture protected powder inhaler Moisture protected powder inhaler

2005-05-03

2005-05-03

Bennett, Henry (Department: 3743)

Surgery

Respiratory method or device

Means for mixing treating agent with respiratory gas

C128S203120, C128S203210, C128S203230

Reexamination Certificate

active

06886560

ABSTRACT:
A powder inhaler comprising a powder container, an air channel, a metering member equipped with a dosing recess, an actuating means for the displacement of the metering member between the filling and the inhalation position, and a closure element for plugging the air channel in a substantially water-proof manner when the metering member is in the filling position and opening the air channel when the metering member is in the inhalation position. When the inhaler is not in use, the closure element prevents moisture and dirt from entering the sensitive parts of the device.

REFERENCES:
patent: 5201308 (1993-04-01), Newhouse
patent: 5447151 (1995-09-01), Bruna et al.
patent: 0 166 294 (1986-01-01), None
patent: 0 826 386 (1998-03-01), None
patent: 2 265 552 (1993-10-01), None
patent: WO 9002576 (1990-03-01), None
patent: WO 9218188 (1992-10-01), None
patent: WO 9324166 (1993-12-01), None
patent: WO 9325258 (1993-12-01), None

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