Prosthetic heart valve

Details Prosthetic heart valve Prosthetic heart valve

1989-08-11

1992-05-26

Isabella, David J.

Prosthesis (i.e., artificial body members), parts thereof, or ai

Heart valve

Having rigid or semirigid pivoting occluder

1375121, 1375278, A61F 224

Patent

active

051163667

ABSTRACT:
Disclosed is a heart valve of the bi-leaflet type having an improved hinge arrangement that allows the valve to respond more quickly to flow reversal and minimizes fluttering of the leaflets in the open position. The leaflets are slidably and pivotally mounted in a heart valve body for movement between closed and open positions. The leaflets have notches which matingly engage complementary surfaces on pivot projections extending inward from the valve body sidewall. The shape and relationship of these complementary surfaces provides for improved operating characteristics.

REFERENCES:
patent: 4011601 (1977-03-01), Clune et al.
patent: 4078268 (1978-03-01), Possis
patent: 4123805 (1978-11-01), Kramer et al.
patent: 4159543 (1979-07-01), Carpentier
patent: 4373216 (1983-02-01), Klawitter
patent: 4425670 (1984-01-01), Figuera
patent: 4484365 (1984-11-01), Murguet et al.
patent: 4535484 (1985-08-01), Marconi
patent: 4692165 (1987-09-01), Bokros
patent: 4872875 (1989-10-01), Hwang
patent: 4892540 (1990-01-01), Vallana

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