Device for regulating blood flow

Details Device for regulating blood flow Device for regulating blood flow

A - Human Necessities

61

F

A61F 2/00 (2006.01) A61L 27/04 (2006.01) A61L 27/14 (2006.01) A61M 39/22 (2006.01)

Patent

CA 2753494

An implantable device for regulating blood flow through a blood vessel includes an elongated support. The support includes axially spaced apart first and second substantially annular support portions, and an x-shaped linking member linking the axially spaced apart portions to one another. The device also includes a valve membrane extending between the axially spaced apart support portions and having an upper portion, a lower portion and an intermediate portion. The valve membrane includes a first region and a second lower region. The first region is folded over the linking member for attachment and the second region is adjacent the first region and unattached to the linking member. The second region is movable between a first position to enable blood flow and a second position to inhibit blood flow.

L'invention concerne un dispositif implantable qui permet de réguler le flux sanguin dans un vaisseau sanguin et qui comprend un support allongé. Le support comprend une première et une seconde partie support sensiblement annulaires, espacées de façon axiale, et un élément de liaison en X reliant lesdites parties support entre elles. Le dispositif comprend également une valve à membrane s'étendant entre les parties support espacées de façon axiale et présentant une partie supérieure, une partie inférieure et une partie intermédiaire. Ladite valve à membrane comprend une première région et une seconde région inférieure. La première région est pliée sur l'élément de liaison pour fixation et la seconde région est adjacente à la première région et non fixée à l'élément de liaison. La seconde région est mobile entre une première position permettant l'écoulement du sang et une seconde position l'inhibant.

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