Trileaflet type prosthetic heart valve

Details Trileaflet type prosthetic heart valve Trileaflet type prosthetic heart valve

1981-10-02

1982-12-21

Frinks, Ronald L.

Fluid handling

Flow affected by fluid contact, energy field or coanda effect

Means to regulate or vary operation of device

291571R, 137849, 264299, 264320, A61F 122

Patent

active

043641270

ABSTRACT:
A prosthetic heart valve constructed of hemo-compatible materials that is anatomically and functionally similar to the natural aortic valve is disclosed which reduces or eliminates the occurrence of many of the complications found in the use of prior art prosthetic valves. The heart valve is a trileaflet type which has its formed leaflets heat set in a partially open position to reduce pressure required to open the leaflets in response to blood flowing therethrough.

REFERENCES:
patent: 2822819 (1958-02-01), Geeraert
patent: 3320972 (1967-05-01), High et al.
patent: 3445916 (1969-05-01), Schulte
patent: 3548417 (1970-12-01), Kischer
patent: 3655306 (1972-04-01), Ross et al.
patent: 3710744 (1973-01-01), Goodenough et al.
patent: 3717883 (1973-02-01), Mosher
patent: 3744062 (1973-07-01), Parsonnet
patent: 3755823 (1973-09-01), Hancock
patent: 4222126 (1980-09-01), Boretos et al.

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