Prosthesis (i.e. – artificial body members) – parts thereof – or ai – Heart valve – Having rigid or semirigid pivoting occluder
Patent
1991-11-21
1992-06-23
Isabella, David
Prosthesis (i.e., artificial body members), parts thereof, or ai
Heart valve
Having rigid or semirigid pivoting occluder
623 1, A61F 224
Patent
active
051239191
ABSTRACT:
A combined mechanical heart valve and vascular graft having a shortened transition area between the valve and the graft. The mechanical valve comprises a rigid circular annulus supporting internal leaflets. A stiffening ring surrounds the annulus and provides support for a sewing ring to attach the valve to the heart. The stiffening ring also captures a proximal end of the vascular graft between the stiffening ring and the annulus.
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patent: 5071431 (1991-12-01), Sauter et al.
Campbell Louis A.
Sauter Joseph A.
Carbomedics Inc.
Gualtieri Gina
Isabella David
Merkling John R.
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