Aerosol medication delivery system
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United States of America Patent
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-
Apr 8, 1997
Grant Date -
N/A
app pub date -
Sep 21, 1995
filing date -
Sep 21, 1995
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An apparatus for use in conjunction with a multi-dose inhaler which includes a novel valving mechanism and an expansion chamber which permits medication to be delivered to the patient without the need for precise timing of canister actuation. The apparatus also includes a filter unit for filtering the patient's exhaled breath and a unique baffling arrangement which functions to decrease average aerosol particle size for better targeting of the desired lung area. In one form of the invention a preset, breath-activated control mechanism is provided which aids in the prevention of both over and under dosing of patient.
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