Pivoting disc heart valve

Details Pivoting disc heart valve Pivoting disc heart valve

1979-10-24

1982-03-16

Crowder, Clifford D.

Fluid handling

Flow affected by fluid contact, energy field or coanda effect

Means to regulate or vary operation of device

1375278, A61F 122

Patent

active

043193641

ABSTRACT:
Heart valve including an annular valve body having an inner wall defining a blood flow passage, a guide strut including an integral pivot surface extending radially inward of the valve body and a disc occluder having a central aperture engaged over the disc guide strut, a disc stop extending radially inward of the valve body opposite the guide strut, and pivot projections extending radially inward of the valve body and equally spaced from the guide strut whereby the disc pivots between occluding and non-occluding surfaces in response to downstream blood pressure gradients across the disc.

REFERENCES:
patent: 3825956 (1974-07-01), Child
patent: 3825957 (1974-07-01), Kaster
patent: 3959827 (1976-06-01), Kaster
patent: 4021863 (1977-05-01), Woien

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