A - Human Necessities – 61 – M
Patent
A - Human Necessities
61
M
A61M 15/00 (2006.01) A61M 11/04 (2006.01) G01F 11/04 (2006.01)
Patent
CA 2602426
An aerosol generator (21) includes a flow passage (27) having an inlet (29), and an outlet (31); a heater (33) arranged relative to the flow passage for heating the flow passage, a source of material (37) to be volatilized in communication with the inlet of the flow passage; a valve (35) to open, and close communication between the source of material; the inlet of the flow passage; and a pressurization arrangement (39) for causing material in the source of material to be introduced into the flow passage when the valve is in an open position. The aerosol generator further includes a source of power (41) for operating the heater, the valve; and a control device (43) for controlling supply of power from the source of power to the heater, and the valve. A metering device (463) in an inhaler (401) includes a pressurized source of medicated fluid (408), and a metering chamber (407) configured to deliver a predetermined volume of fluid to a heated flow passage (409) in the inhaler.
Beane Timothy Paul
Cox Kenneth A.
Nichols Walter A.
Sprinkel F. Murphy Jr.
Sweeney William R.
Marks & Clerk
Philip Morris Usa Inc.
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