Two-leaflet heart valve

Details Two-leaflet heart valve Two-leaflet heart valve

A - Human Necessities

61

F

3/117

A61F 2/24 (2006.01) F16K 15/03 (2006.01)

Patent

CA 1116802

ABSTRACT A heart valve prosthesis has an annular valve body with a central circular passageway and a pair of valve leaf- lets supported for pivotal movement between closed and open positions. Guides formed with spheroidal surfaces protect in opposite directions along the pivotal axis of each leaflet and are received in spheroidal depressions in a pair of up- standing, diametrically opposite supports. The supports are formed with stops outside of the depressions which contact the upstream surface of the leaflets at a region apart from the spheroidal guides and determine the open position.

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