Suture guard for prosthetic heart valve

Details Suture guard for prosthetic heart valve Suture guard for prosthetic heart valve

1996-10-21

1998-12-01

Willse, David H.

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

Heart valve

Having rigid or semirigid pivoting occluder

A61F 224

Patent

active

058431799

ABSTRACT:
A heart valve prosthesis for use in a heart includes an orifice defining a lumen therethrough for blood flow. An occluder is carried in the orifice and is movable between an open position which allows blood flow through the lumen and a closed position in which flow through the lumen is blocked. A suture cuff coupled to the orifice extends around an outer circumference of the orifice and is used for attaching the heart valve to a heart tissue annulus using sutures. The sutures are knotted proximate the suture cuff to secure the cuff to the annulus. A suture guard is coupled to the suture cuff and is movable between an open position in which the suture knot is exposed and a closed position in which the suture, suture knot and suture cuff are covered.

REFERENCES:
patent: 3546710 (1970-12-01), Shumakov et al.
patent: 3574865 (1971-04-01), Hamaker
patent: 3625220 (1971-12-01), Engelsher
patent: 3996623 (1976-12-01), Kaster
patent: 4084268 (1978-04-01), Ionescu et al.
patent: 4233690 (1980-11-01), Akins
patent: 4276658 (1981-07-01), Hanson et al.
patent: 4665906 (1987-05-01), Jervis
patent: 5549665 (1996-08-01), Vesely et al.

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