Two-leaflet heart valve

Details Two-leaflet heart valve Two-leaflet heart valve

1978-04-06

1979-12-18

Frinks, Ronald L.

Fluid handling

Flow affected by fluid contact, energy field or coanda effect

Means to regulate or vary operation of device

1375121, 1375278, A61F 122

Patent

active

041786394

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

REFERENCES:
patent: 3448465 (1969-06-01), Pierce et al.
patent: 3579645 (1971-05-01), Bokros
patent: 3835475 (1974-09-01), Child
patent: 3903548 (1975-09-01), Nakib
patent: 4078268 (1978-03-01), Possis

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