Pressure reducing valve with flexible cuff
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United States of America Patent
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Feb 5, 2013
Grant Date -
Feb 5, 2009
app pub date -
Jul 9, 2008
filing date -
Jul 31, 2007
priority date (Note) -
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status (Latency Note)
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Abstract
A pressure reducing valve for use in a system adapted to deliver a breathing gas to a patient. The pressure reducing valve is structured to communicate a flow of breathing gas to such a patient's airway during an inspiratory phase. The pressure reducing valve is structured to discharge the flow of breathing gas and a flow of exhaled gas to atmosphere during the expiratory phase. The flow of breathing gas and flow of exhaled gas are discharged to atmosphere through a number of exhaust ports. Because the flow of breathing gas and flow of exhalation gas are discharged through the exhaust ports, less effort is required by a patient during the expiratory phase.
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