Prosthetic heart valve with sewing ring

Details Prosthetic heart valve with sewing ring Prosthetic heart valve with sewing ring

1992-04-28

1995-03-14

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

053973461

ABSTRACT:
A prosthetic mechanical heart valve with a suture ring and stiffening ring combination which minimizes the radial thickness of the sewing ring. The valve comprises an annular stiffening ring captured between .upper and lower rings which are sewed into a knit fabric tube. The entire assembly of sewing ring and stiffening ring is then assembled as a unit onto the mechanical heart valve.

REFERENCES:
patent: 3491376 (1970-01-01), Shiley
patent: 3579642 (1971-05-01), Heffernan et al.
patent: 3781969 (1974-01-01), Anderson
patent: 3997923 (1976-12-01), Possis
patent: 4535483 (1985-08-01), Klawitter et al.
patent: 4742253 (1988-05-01), Magladry
patent: 4935030 (1990-06-01), Alonso
patent: 5032128 (1991-07-01), Alonso
patent: 5035709 (1991-07-01), Wieting et al.
patent: 5071431 (1991-12-01), Sauter et al.
patent: 5104406 (1992-04-01), Curcio et al.
patent: 5163954 (1992-11-01), Curcio et al.
patent: 5178633 (1993-01-01), Peters
Star Tribune (Minneapolis, Minn.) Nov. 9, 1990, 1D.

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