ALFERNESS, CLIFTON A.,GONZALEZ, HUGO X.,DILLARD, DAVID H.
申请号:
CA2459702
公开号:
CA2459702C
申请日:
2002.08.09
申请国别(地区):
CA
年份:
2012
代理人:
摘要:
An air passageway obstruction device (80) includes a frame structure (86) anda flexible membrane (112) overlying the frame structure (86). The framestructure (86) is collapsible upon advancement of the device (80) into the airpassageway, expandable into a rigid structure upon deploying in the airpassageway and recollapsible upon removal from the air passageway. Theflexible membrane (112) obstructs inhaled air flow into a lung portioncommunicating with the air passageway. The device(80) may be removed afterdeployment in an air passageway by recollapsing the device (80) and pullingthe device (80) proximally through a catheter.