Prosthesis (i.e. – artificial body members) – parts thereof – or ai – Heart valve – Having rigid or semirigid pivoting occluder
Patent
1996-06-07
1997-05-13
Milano, Michael J.
Prosthesis (i.e., artificial body members), parts thereof, or ai
Heart valve
Having rigid or semirigid pivoting occluder
A61F 206
Patent
active
056287925
ABSTRACT:
A cardiac valve includes a sleeve or ring having an inlet end and an outlet end and which is provided with a central opening (4), and openable and closable flaps having for their purpose to allow flow of blood through the central opening (2) in one direction, the flaps (9a-c) being designed as circle segments, where the sector angle has the value 360.degree.
, where n is the number of circle segments and is 3, 4, 5 or 6. The flaps (9a-c) are at their outer edges pivotably connected to the inside of the ring (3) at the inlet end thereof, in that each flap (9a-c) is connected to the ring (3) by means of a hinge which is arranged in the center of the outer edge of the flap and which is accommodated in a recess in the ring (3), whereby the flaps in a closed position cooperate to form a sealing body and in an open position allow a free passage of blood.
REFERENCES:
patent: 3938197 (1976-02-01), Milo
patent: 4328592 (1982-05-01), Klawitter
patent: 4406022 (1983-09-01), Roy
patent: 4820299 (1989-04-01), Philippe et al.
patent: 5078739 (1992-01-01), Martin
patent: 5197980 (1993-03-01), Gorshkov et al.
patent: 5207707 (1993-05-01), Gourley
patent: 5397347 (1995-03-01), Cuilleron et al.
JCL Technic AB
Milano Michael J.
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