Removable lung reduction devices, systems, and methods
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United States of America Patent
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Jul 20, 2010
Grant Date -
Aug 20, 2009
app pub date -
Apr 22, 2009
filing date -
Sep 11, 2001
priority date (Note) -
In Force
status (Latency Note)
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Abstract
An air passageway obstruction device includes a frame structure and a flexible membrane overlying the frame structure. The frame structure is collapsible upon advancement of the device into the air passageway, expandable into a rigid structure upon deploying in the air passageway and recollapsible upon removal from the air passageway. The flexible membrane obstructs inhaled air flow into a lung portion communicating with the air passageway. The device may be removed after deployment in an air passageway by recollapsing the device and pulling the device proximally through a catheter.
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