Collapsible intra-bronchial valve devices
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United States of America Patent
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Issued Date -
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app pub date -
May 18, 2004
filing date -
Sep 11, 2001
priority date (Note) -
Abandoned
status (Latency Note)
Importance
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 re-collapsible 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 re-collapsing the device and pulling the device proximally through a catheter.
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