Unit dose cartridge and dry powder inhaler

Details Unit dose cartridge and dry powder inhaler Unit dose cartridge and dry powder inhaler

2003-09-04

2008-12-16

Douglas, Steven O (Department: 3771)

Surgery

Respiratory method or device

Means for mixing treating agent with respiratory gas

C128S203120

Reexamination Certificate

active

07464706

ABSTRACT:
A dry powder inhaler having improved aerodynamic properties for diluting, dispersing, and metering drug particles for increasing the efficiency of pulmonary drug delivery to a patient is described. The inhaler comprises, in general, a housing having an air intake, an air flow-control/check-valve, a mixing section and a mouthpiece. A cartridge loaded with a single dose of medicament can be installed in the mixing section.

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