Low profile emboli capture device

Details Low profile emboli capture device Low profile emboli capture device

A - Human Necessities

61

B

A61B 17/50 (2006.01) A61F 2/01 (2006.01) A61F 2/06 (2006.01) A61M 1/00 (2006.01) A61M 25/09 (2006.01) A61B 17/00 (2006.01) A61M 25/01 (2006.01) B29C 53/66 (2006.01)

Patent

CA 2438791

A low profile emboli capture device is provided for use in angioplasty and other intravascular procedures. A standard guidewire is utilized having a reduced cross-sectional area formed near its distal end. A filter and self- expanding stent are packaged on the reduced cross-sectional area of the guidewire. A movable sleeve extends over the guidewire and holds the self- expanding stent and filter in their retracted positions while the device is being positioned in the artery. The sheath is moved relative to the self- expanding stent and filter, whereupon the self-expanding stent and filter become deployed.

L'invention concerne un dispositif de capture d'emboles peu encombrant à utiliser dans l'angioplastie ou d'autres procédures intra-vasculaires. Le fil-guide normalisé utilisé présente une zone transversale réduite formée à proximité de son extrémité distale. Un filtre et un stent à auto-expansion sont disposés sur la zone transversale réduite du fil-guide. Un manchon mobile s'étend sur le fil-guide et supporte le stent à auto-expansion et le filtre dans leurs positions rétractées pendant le positionnement du dispositif dans l'artère. La gaine est déplacée par rapport au stent à auto-expansion et au filtre, le stent à auto-expansion et le filtre se déployant à ce moment-là.

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