Cardiac valvular prosthesis with rheodynamic disc

Details Cardiac valvular prosthesis with rheodynamic disc Cardiac valvular prosthesis with rheodynamic disc

1981-07-15

1984-01-17

Frinks, Ronald L.

Fluid handling

Flow affected by fluid contact, energy field or coanda effect

Means to regulate or vary operation of device

137527, 1375278, A61F 122

Patent

active

044256701

ABSTRACT:
A cardiac valvular prosthesis comprising an occluder disc, a supporting ring pivotally supporting said disc, and a suturing ring arranged on an outer portion of said supporting ring and adapted to facilitate suturing to the annulus of a cardiac valve to be replaced, said occluder disc having a hydrodynamic shape, an eccentrically positioned rotational axis far from the obturation plane of the disc, and hinges located in the central area of said disc, said occluder disc being pivotable between an open position disposed at an angle which is 90.degree. with respect to the supporting ring and a closed position wherein said disc is disposed at an angle of approximately 15.degree. with respect to said supporting ring.

REFERENCES:
patent: 3508281 (1970-04-01), Cromie
patent: 3546711 (1970-12-01), Bokros
patent: 3825956 (1974-07-01), Child
patent: 3926215 (1975-12-01), Macleod
patent: 4159543 (1979-07-01), Carpentier

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