Vascular bifurcation endoprosthesis

Details Vascular bifurcation endoprosthesis Vascular bifurcation endoprosthesis

A - Human Necessities

61

F

A61F 2/06 (2006.01) A61B 19/00 (2006.01) A61F 2/00 (2006.01)

Patent

CA 2257340

The invention features a device (1) comprising: at least one radially expansible segment (7, 8), with, in the expanded state, a transversal cross section substantially greater than the transversal cross section of one of the secondary ducts (3); one segment (6) with, in the expanded state, a truncated shape, corresponding to the shape of the bifurcation at the flared transition zone (11) which separates the main duct (2) from the secondary ducts (3), and a flexible link (9) between these two segments (6, 7), enabling their adjustment relative to each other, according to the orientation of the secondary duct (3) receiving the said segment (7) relative to the flared transition zone (11).

Selon l'invention, ce dispositif (1) comprend: au moins un segment (7, 8) expansible radialement, présentant, à l'état expansé, une section transversale sensiblement supérieure à la section transversale de l'un des conduits secondaires (3); un segment (6) présentant, à l'état expansé, une forme tronconique, correspondant à la forme de la bifurcation au niveau de la zone de transition évasée (11) qui sépare le conduit principal (2) des conduits secondaires (3); et une liaison souple (9) entre ces deux segments (6, 7), permettant l'orientation de ceux-ci l'un par rapport à l'autre, selon l'orientation du conduit secondaire (3) recevant ledit segment (7) par rapport à ladite zone de transition évasée (11).

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