Prosthesis (i.e. – artificial body members) – parts thereof – or ai – Heart valve – Having rigid or semirigid pivoting occluder
Patent
1986-09-10
1987-12-15
Apley, Richard J.
Prosthesis (i.e., artificial body members), parts thereof, or ai
Heart valve
Having rigid or semirigid pivoting occluder
H61F 224
Patent
active
047130717
ABSTRACT:
A heart valve prosthesis comprises a valve ring having an opening for the flow of blood, a valve poppet floatingly mounted during opening and closing. For floatingly containing the poppet, and there is provided a single upper support and a lower support structure. The upper support has a flat portion supporting the poppet that bears thereagainst with a depression made in the top side of the poppet. The lower support structure has tabs for supporting the poppet so that the poppet is in the surface-to-the surface contact with the upper support and tabs of the lower support structure when the poppet is in the open position.
REFERENCES:
patent: 3824629 (1974-07-01), Shiley
patent: 4057857 (1977-11-01), Fettel
patent: 4416029 (1983-11-01), Kaster
Bukatov Alexandr S.
Iofis Naum A.
Khurtsilava Semen G.
Vettsel Rudolf N.
Apley Richard J.
Cannon Alan W.
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