Continuous high-frequency oscillation breathing treatment apparatus
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United States of America Patent
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Mar 20, 2007
Grant Date -
Mar 24, 2005
app pub date -
Sep 22, 2003
filing date -
Sep 22, 2003
priority date (Note) -
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Abstract
A continuous high-frequency oscillation breathing device delivers therapy during both inhalation and exhalation in order to assist in clearings secretions the lungs. A fixed shrouded-venturi patient interface circuit is combined with medicated aerosol to deliver continuous high-frequency oscillation therapy. Fixed open apertures in the patient interface circuit allow ingress and egress of flow, and are calibrated to allow exhalation and prevent stacking of successive breaths.
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