Prosthesis (i.e. – artificial body members) – parts thereof – or ai – Heart valve – Having rigid or semirigid pivoting occluder
Patent
1988-12-14
1989-09-05
Frinks, Ronald L.
Prosthesis (i.e., artificial body members), parts thereof, or ai
Heart valve
Having rigid or semirigid pivoting occluder
1375121, 137527, A61F 224
Patent
active
048634581
ABSTRACT:
A heart valve prosthesis having an annular valve body, a pair of leaflet occluders mounted therein for pivoting and translational movement between closed and open positions. Leaflet occluders have mating diametrical edges and arcuate edges which engage the valve body when the leaflets are closed. Generally frustoconical mounting ears extend outwardly from the leaflet edge, adjacent the diametrical edge thereof. The ears are received in recesses formed in the annular body. The recesses have an upper section extending in the direction of blood flow and a downstream section inclined thereto in a direction extending outwardly. The leaflets each have a flat upstream surface and a generally cylindrical downstream surface.
REFERENCES:
patent: 4159543 (1979-07-01), Carpentier
patent: 4308624 (1982-01-01), Klawitter
patent: 4357715 (1982-11-01), Klawitter
patent: 4443894 (1984-04-01), Klawitter
patent: 4451937 (1984-06-01), Klawitter
patent: 4689046 (1987-08-01), Bokros
Carbomedics Inc.
Egan Russell J.
Frinks Ronald L.
Merkling John R.
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