Dry powder medicament inhalator having an inhalation-activated flow diverting means for triggering delivery of medicament
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United States of America Patent
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Dec 2, 1997
Grant Date -
N/A
app pub date -
Aug 1, 1996
filing date -
Aug 2, 1995
priority date (Note) -
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Abstract
An inhalation-activated inhalator having a flow diverting means wherein the primary air flow channel is blocked for a brief period during inspiration with air flow during that period passing through a dosing chamber arrangement and connecting passage to inject medicament into the inspired air stream is provided. By diverting the inspired air stream in this fashion, powdered medicament may be provided for inhalation at a particular point in the patient's inspiration cycle, thereby optimizing the delivery of medicament to the lungs.
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