Methods, systems, and devices for providing embolic...

Details Methods, systems, and devices for providing embolic... Methods, systems, and devices for providing embolic...

A - Human Necessities

61

F

A61F 2/01 (2006.01) A61M 25/01 (2006.01)

Patent

CA 2538336

An embolic protection device includes a guide member having a distal end, a proximal end, and a lumen extending from the distal end to the proximal end. Additionally, the embolic protection device includes a filter assembly having a plurality of struts extending from the distal end of the guide member. The filter assembly further includes a filter media adapted to filter material from a blood stream coupled to at least two of the plurality of struts. The filter media can have an open proximal end and closed distal end. The device can also include a sleeve at least partially surrounding the plurality of struts and the filter media for restraining the filter device in a collapsed position during an insertion procedure. The embolic protection device can also include additional loops of material surrounding the struts and a tether wire securing the sleeve and loops in the collapsed position.

L'invention concerne un dispositif de protection embolique qui comprend un élément guide doté d'une extrémité distale, d'une extrémité proximale et d'un passage interne s'étendant entre l'extrémité distale et l'extrémité proximale. De plus, le dispositif de protection embolique comprend un ensemble filtrant muni d'une pluralité d'entretoises qui s'étendent depuis l'extrémité distale de l'élément guide. L'ensemble filtrant comprend un milieu filtrant, conçu pour filtrer la matière provenant d'un courant sanguin, couplé à au moins deux des entretoises. Le milieu filtrant peut posséder une extrémité proximale ouverte et une extrémité distale fermée. Ce dispositif peut également comporter un manchon qui entoure au moins partiellement la pluralité d'entretoises et le milieu filtrant pour maintenir le dispositif filtrant dans une position repliée lors de l'introduction. Par ailleurs, le dispositif de protection embolique peut comprendre des boucles supplémentaires de matériau qui entourent les entretoises et un câble d'attache qui maintient le manchon et les boucles en position repliée.

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