Inhaler
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United States of America Patent
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Sep 8, 2015
Grant Date -
Mar 10, 2011
app pub date -
Jan 14, 2009
filing date -
Jan 24, 2008
priority date (Note) -
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Abstract
An inhaler for producing an inhalable aerosol of powdered medicament is disclosed. The inhaler includes an aerosolizing device having a chamber of substantially circular cross-section, inlet and outlet ports at opposite ends of the chamber for the flow of drug laden air through the chamber between said ports and, a bypass air inlet for the flow of clean air into the chamber. The bypass air inlet is configured so that air entering the chamber through said inlet forms a cyclone in the chamber that interacts with the drug laden air flowing between the inlet and outlet ports.
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