Bi-leaflet heart valve

Details Bi-leaflet heart valve Bi-leaflet heart valve

1988-01-06

1989-09-05

Apley, Richard J.

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

Heart valve

Having rigid or semirigid pivoting occluder

A61F 224

Patent

active

048634590

ABSTRACT:
Disclosed is a heart valve prosthesis having an annular valve body defining a central passageway for blood flow. A pair of curved, convex-concave leaflet occluders pivotally mounted in the valve body and movable between open and closed positions have opposed lateral edges disposed between a mating edge and an arcuate edge. The mating edges of the leaflets engage each other when the valve is closed, with the arcuate edges engaging a preferably frustoconical section of the valve body. A pair of protuberances extend from the valve body to pivotally mount each lateral edge of each leaflet. Each pair of protuberances receives a lateral edge of a leaflet therebetween. The leaflets include a swelled area having a concave lower surface for receiving one protuberance and an upper convex surface for engaging the other protuberance.

REFERENCES:
patent: 3749359 (1973-07-01), Montesi
patent: 3903548 (1975-09-01), Nakib
patent: 4011601 (1977-03-01), Clune et al.
patent: 4306319 (1981-12-01), Kaster
patent: 4328592 (1982-05-01), Klawitter
patent: 4373216 (1983-02-01), Klawitter
patent: 4484365 (1984-11-01), Murquet et al.
patent: 4605408 (1986-08-01), Carpentier
patent: 4676789 (1987-06-01), Sorensen

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