Dry powder inhalers, related blister devices, and associated methods of dispensing dry powder substances and fabricating blister packages
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United States of America Patent
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Apr 21, 2009
Grant Date -
Jun 16, 2005
app pub date -
Jan 26, 2005
filing date -
May 10, 2002
priority date (Note) -
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Abstract
The present invention includes dry powder inhalers for dispensing and/or holding inhalant formulated dry powder substances and associated fabrication and dispensing methods that can employ an amplitude modulated non-linear signal comprising a plurality of superimposed frequencies, the frequencies corresponding to a priori flow characteristic frequencies of the dry powder being dispensed. The present invention also includes pocket-sized inhalers with an elastomeric flexible pivoting cover.
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Family
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