Aerosol inhalation device

Details Aerosol inhalation device Aerosol inhalation device

A - Human Necessities

61

M

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

Patent

CA 2107792

A pocket size, two-part aerosol inhalation device (10) wherein a medicament canister housing (14) formed of plastic is te- lescopically received in a plastic expansion chamber (12) having an elliptical cross section in a storage mode of the device and wherein the canister housing is connected to the expansion chamber by pin-and slot means (38, 40) whereby it is first slidable into a fully extended position relative to the expansion chamber after which it may be pivoted relative thereto into an angular operable position in which a spray orifice (58) provided therein is aligned axially with the axis of the expansion chamber whereby medica- ment released from the canister leaves the spray orifice with a vortex movement which slows down the aerosolized medicament sufficiently that the percentage thereof reaching the deepest portion of the lungs is maximized and the percentage thereof which merely impacts against the back of the throat is minimized.

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