Method and device for delivering aerosolized medicaments

Details Method and device for delivering aerosolized medicaments Method and device for delivering aerosolized medicaments

A - Human Necessities

61

M

A61M 11/00 (2006.01) A61M 15/00 (2006.01)

Patent

CA 2444415

A device for accurately delivering aerosolized doses of a medicament disperses a measured amount of drug (40) in a measured volume of carrier gas (22) and transfers the resulting aerosol to a chamber (42) prior to inhalation by a patient. The chamber (42) is filled efficiently with the aerosol, and inhalation by the patient draws the aerosol dose into the lungs. This is followed by the inhalation of atmospheric air (96) that will push the initial dose well into the lung interior. The apparatus optimally includes a dose regulator (13a), a counter (13c), clock (13e), a dose memory (30) and a signal (32) to indicate when a dose is ready by inhalation. Optimal chamber designs are disclosed.

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