Prosthesis (i.e. – artificial body members) – parts thereof – or ai – Heart valve – Having rigid or semirigid pivoting occluder
Patent
1994-06-17
1996-08-27
Milano, Michael
Prosthesis (i.e., artificial body members), parts thereof, or ai
Heart valve
Having rigid or semirigid pivoting occluder
623900, A61F 224
Patent
active
055496652
ABSTRACT:
A bioprosthetic valve comprising a support ring having three spaced apart end stops projecting upwardly therefrom, a stent post ring having three spaced apart stent posts pivotally connected thereto and adapted to engage respective ones of the end stops so as to permit outward pivoting of the stent posts and to prevent inward pivoting thereof, a leaflet valve having three generally triangular leaflets defining respective cusps, the leaflets being joined at respective commissures, and a sewing ring for attaching the leaflet valve to the stent post ring and support ring.
REFERENCES:
patent: 4259753 (1981-04-01), Liotta et al.
patent: 4725274 (1988-02-01), Lane et al.
patent: 4851000 (1989-07-01), Gupta
patent: 5163953 (1992-11-01), Vince
patent: 5258023 (1993-11-01), Reger
patent: 5326370 (1994-07-01), Love et al.
"Numerical Simulation of Leaflet Flexure in Bioprosthetic Valves Mounted on Rigid and Expansile Stents," 28 Dec. 1992, by S. Krucinski, I. Veley, M. A. Dokainish, and G. Campbell.
"Pivoting Stent Posts Reduce Stresses in Pericardial Bioprosthetic Valves: A Numerical Analysis," by I. Vesely and S. Krucinski.
Boughner Derek
Campbell Gordon
Dokainish Mohan
Krucinski Slawomir
Vesely Ivan
London Health Association
Milano Michael
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