Controllable valve and inhalation device
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United States of America Patent
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Feb 22, 2011
Grant Date -
Jan 11, 2007
app pub date -
Jun 29, 2006
filing date -
Jul 6, 2005
priority date (Note) -
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Abstract
The present invention relates to an improved controllable valve, in particular for an inhalation device, which, e.g., comprises a container for a predetermined aerosol volume, a means for disbursing an aerosol from an aerosol dispenser into the container and a control means that keeps the inhalation flow essentially constant during the entire inhalation. The control means comprises an either continuously or gradually controllable valve so as to limit the flow rate.
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