INHALER WITH A FORWARD METERING VALVE
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United States of America Patent
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Issued Date -
Feb 25, 2010
app pub date -
Nov 14, 2007
filing date -
Nov 14, 2006
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A metered dose inhaler for administration a liquid phase medium using a rotating metering element that transports the metered dose from the pressurized canister to the mouthpiece. The metering is improved in that there is an efficient protection against penetration of outside air, and in that the counting of the doses is improved by preventing backwards rotation of the rotating metering element.
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