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6228112 |
Artificial heart valve without a hinge
A prosthesis for use in a human heart as a valve that reduces or eliminates blood stagnation, and therefore, the possibility of thrombosis while increasing available blood flow area through the...
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5628782 |
Method of making a prosthetic vascular graft
A vascular graft in the form of a tube or flat sheet of biocompatible material having an outer covering of deflectably secured material such as porous film, fibers, discrete pieces of material, or...
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5135538 |
Electromagnetically controlled heart valve
A unidirectional flow heart valve includes a passageway having an inlet side and an outlet side. A disk occluder is disposed within the passageway. The disk occluder has a closed position wherein...
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4957503 |
Heart valve prosthesis
A heart valve prosthesis has a valve ring (1) having an opening (2) for the flow of blood. A valve poppet (3) is mounted in the opening (2) for closing and opening it. An annular curvilinear...
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4822355 |
Heart valve assembly
Improved heart valve assembly 1(FIG. 4) includes: Sewing ring 2 made preferably of woven/knitted fabric of carbon/carbon coated polyester/polytetra-fluoroethylene; Metallic valve housing 3, with...
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4725275 |
Artificial heart valve
A heart valve having a disc (10) pivotally mounted within a ring (14) by means of projections (16, 18 and 20) carried by the ring. The disc and ring are arranged so that the blood flows through the...
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4713071 |
Heart valve prosthesis
A heart valve prosthesis comprises a valve ring having an opening for the flow of blood, a valve poppet floatingly mounted during opening and closing. For floatingly containing the poppet, and...
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4532659 |
Prosthetic heart valve with plano-convex disk occluder
In a prosthetic heart valve having a free floating, rotatable, pivotable disk occluder for blocking a flow of fluid therethrough, an improvement comprising the provision of a disk occluder (12)...
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4494253 |
Cardiovascular valve prosthesis
A cardiovascular valvular prosthesis and a method for its manufacture are disclosed. The prosthesis consists of a support having a perimetral groove thereon and an occluding disc which is assembled...
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4343049 |
Electro-chemically machined ring and strut structure for prosthetic heart valves
This invention relates to the electrochemical machining of integrally formed prosthetic heart valve structures in which both the structural integrity of the valve and the blood flow through the...
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4319364 |
Pivoting disc heart valve
Heart valve including an annular valve body having an inner wall defining a blood flow passage, a guide strut including an integral pivot surface extending radially inward of the valve body and a...
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4291419 |
Implantable cardiac valve prosthesis
A cardiac valve prosthesis comprising an annular metal element into which an occluding element having a truncated cone shape, is half-floatingly mounted, said annular element being provided with...
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4183103 |
Prosthetic one-way heart valve
A heart valve including a generally annular body and a disc within the body. A ring-like protuberance projects from one face of the disc, and a fulcrum member projecting into the central opening of...
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4057857 |
Heart valve with arcuate occluder
A convexo-concave, saucer-like heart valve vane is floatingly supported in a valve ring between a vane closing support rod, which engages the edge of a concentric recess on the arcuate convex side...
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3824629 |
Title is not available
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