Removable lung reduction devices, systems, and methods

Details Removable lung reduction devices, systems, and methods Removable lung reduction devices, systems, and methods

A - Human Necessities

61

F

A61F 2/04 (2006.01) A61B 17/24 (2006.01)

Patent

CA 2459702

An air passageway obstruction device (80) includes a frame structure (86) and a flexible membrane (112) overlying the frame structure (86). The frame structure (86) is collapsible upon advancement of the device (80) 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 (112) obstructs inhaled air flow into a lung portion communicating with the air passageway. The device(80) may be removed after deployment in an air passageway by recollapsing the device (80) and pulling the device (80) proximally through a catheter.

L'invention concerne un dispositif qui permet d'obstruer la voie de passage de l'air et qui comprend un ch~ssis et une membrane flexible qui recouvre le ch~ssis. On peut escamoter ce ch~ssis en faisant avancer le dispositif dans la voie de passage de l'air, on peut le monter en une structure rigide en le d~ployant dans la voie de passage de l'air et on peut l'escamoter de nouveau en le retirant de la voie de passage de l'air. Cette membrane flexible obstrue l'air inhal~ dans une partie du poumon qui communique avec la voie de passage de l'air. On peut enlever ce dispositif apr­s son d~ploiement dans une voie de passage de l'air en l'escamotant de nouveau et en le tirant dans un cath~ter dans le sens proximal.

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