Variable resistance pulmonary ventilation bypass valve and method
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United States of America Patent
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Aug 5, 2008
Grant Date -
Jul 19, 2007
app pub date -
Jan 17, 2006
filing date -
Jan 17, 2006
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A collateral ventilation bypass trap system directly linked with a patient's lung or lungs may be utilized to increase the expiratory flow from the diseased lung or lungs, thereby treating one aspect of chronic obstructive pulmonary disease. The system includes a trap, a filter/one-way valve, an air carrying conduit and a retention device for securing system elements in position. The system also includes a flow restriction device for controlling the flow of air through the air carrying conduit.
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