Prosthesis (i.e. – artificial body members) – parts thereof – or ai – Heart valve – Having rigid or semirigid pivoting occluder
Patent
1990-09-20
1992-04-14
Isabella, David J.
Prosthesis (i.e., artificial body members), parts thereof, or ai
Heart valve
Having rigid or semirigid pivoting occluder
A61F 224
Patent
active
051044072
ABSTRACT:
An annuloplasty ring prosthesis which is formed from a selectively flexible body element having at least one defined length about its circumference which is substantially rigid. The remainder of the body element gradually increases in flexibility. The body element is a substantially annular shaped body element which is designed to be sutured to the annulus of a heart valve. The body element is formed from a non-corrosive, anti-magnetic material, and is wrapped in a material through which sutures can be drawn to suture the prosthesis to the heart valve annulus.
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patent: 4489446 (1984-12-01), Reed
patent: 4602911 (1986-07-01), Ahmadi et al.
"Clinical and Hemodynamic Performance of a Totally Flexible Prosthetic Ring for Atrioventricular Valve Reconstruction", Duran, Ubago; The Annals of Thoracic Surgery; vol. 22, No. 5; pp. 458-463.
"Conservative Surgery of the Mitral Valve. Annuloplasty on a New Adjustable Ring"; Massana, Calbet and Castells; Cardio. Surg., 1980.
Carpentier Alain
Lam Hung L.
Nguyen Than
Baxter International Inc.
Iantorno Stephanie L.
Isabella David J.
Schiffer Michael C.
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