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7575594 |
Shock dampening biocompatible valve
A biocompatible valve ( 200 ) includes a valve mechanism ( 250, 230 a, 230 b ), which is mounted and is longitudinally displaceable within a valve mount ( 210 ) affixed to a recipient patient. A...
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7416530 |
Medical devices
There is disclosed a medical device adapted to be implanted in the heart of a patient and operable therein i) as a heart valve; or ii) to assist in the functioning of one of the patient's heart...
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7371258 |
Valved prosthesis with porous substrate
An implantable prosthesis can be formed from an improved biocompatible material that provides for cellular colonization of the biocompatible material. Specifically, the biocompatible material is a...
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7070618 |
Mitral shield
A valve shield comprising a shaped sheet of material adapted to be affixed to the annulus of a valve and adapted to extend over at least a portion of at least one leaflet of the valve so as to...
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6951573 |
Prosthetic aortic valve
A prosthetic aortic valve is designed to be implanted in the natural aortic annulus and to extend into the ascending aorta to a point short of the right and left coronary arteries. Blood leakage...
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6896700 |
Tri-leaflet mechanical heart valve
A tri-leaflet heart valve includes an annular valve base with an inner surface forming an orifice through which blood flows from the upstream side to the downstream side. Three protruding hinges,...
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6723123 |
Prosthetic heart valve
A multi-leaflet cardiovascular valve having a generally annular valve body ( 1 ) and at least two leaflets ( 4, 5 ) mounted within the valve body such that the leaflets rotate around a central axis...
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6699283 |
Heart valve with rectangular orifice
A mechanical heart valve prosthesis has a generally rectangular orifice and two leaflets that move between a closed position nearly perpendicular to blood flow and an open position nearly parallel...
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6638303 |
Heart valve prosthesis
A heart valve prosthesis includes an annular body that has a fluid passageway and at least one rigid leaflet that is pivotally mounted in the passageway of the body. The leaflet is movable between...
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6176876 |
Leaflet positioning for a mechanical heart valve
A bi-leaflet prosthetic heart valve, comprising an annular body having an upstream edge, a downstream edge and a passageway therebetween includes first and second leaflets pivotally mounted in the...
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6139575 |
Hybrid mechanical heart valve prosthesis
A prosthetic mechanical heart valve, and in particular, a bi-leaflet and/or a trileaflet mechanical valve formed with rigid frame and hinge elements for providing a stable reliable hinge mechanism...
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6068657 |
Mechanical valve prosthesis with optimized closing mode
The invention relates to a mechanical valve prosthesis that includes a base having an external portion forming a suture ring, and an internal portion forming a rim, in which a blood flow can move...
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6039759 |
Mechanical prosthetic valve with coupled leaflets
A prosthetic mechanical valve includes a base portion defining a through blood flow pathway closed by at least a pair of valve leaflets. The valve leaflets are pivotally carried by the base portion...
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5984958 |
Heart valve prosthesis with wear reducing edges
A heart valve prosthesis comprises an occluder pivoting with respect to an annular body member. The annular body member includes a stop having a stop surface for limiting pivotal displacement of...
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5961550 |
Heart valve activating system and activated heart valve
An activating system is provided for a heart valve having a seat (1) and at least one pivoting flap (2a, 2b) mounted on the seat (1). The activating system includes at least one mobile magnetic...
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5814100 |
Mechanical prosthetic valve, and methods of its construction and operation
A prosthetic mechanical valve includes a base portion defining a through blood flow pathway closed by at least a pair of valve leaflets. The valve leaflets are pivotally carried by the base portion...
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5487760 |
Heart valve prosthesis incorporating electronic sensing, monitoring and/or pacing circuitry
A heart valve prosthesis containing electronic circuitry for monitoring valve performance provides information to an implanted transceiver arranged to transmit digital or analog data...
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5236448 |
Heart valve prosthesis
The prosthesis comprises a unitary annular valve body having a pair of leaflets (2, 3) mounted on pivot posts adjacent their outer edges, so as to pivot between a closed position (in which the free...
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5171263 |
Cardiac valve with flaps pivoting on balls
A cardiac valve comprises a ring, one or more flaps, the pivoting axis of the latter including two balls partly extending into a ring cavity and a conical flap cavity. This arrangement improves the...
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5035709 |
Mechanical heart valve with compliant sewing ring
A mechanical heart valve having one or more leaflets pivotally fitted in a substantially cylindrical shaped valve body formed from a resiliently deformable material. A stiffening member formed from...
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4994077 |
Artificial heart valve for implantation in a blood vessel
An artificial heart valve is designed to fit into a blood vessel when a patient is too weak to undergo open heart surgery. The valve has a disk shaped flap valve threaded on a bent wire which may...
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4979955 |
Power assisted prosthetic heart valve
A power assisted mechanism is applied to prosthetic valves as a way of initiating closure of the valve at the appropriate moment in the pump cycle to minimize regurgitation, to create an...
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4643732 |
Heart valve prosthesis
A heart valve prosthesis with a valve housing in the form of a ring and a curved valve which is mounted within the housing and which is hinged to the valve ring by means of a flat flexible small...
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4556996 |
Heart valve
An artificial heart valve includes tapering flaps which are suspended to pivot between open and closed positions.
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4263680 |
Prosthetic closure devices to replace the valves in human hearts
A prosthetic closure device to replace a human heart valve, in particular the mitral or tricuspid valve, comprises an annular valve body, around the periphery of which a suture ring is provided for...
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4204283 |
Prosthetic valve
A prosthetic valve, suitable for use as a mitral valve replacement, has a D-shaped annular seat-forming member and obturating flap, the flap having a major area formed by a rigid sheet of similar...
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3445863 |
ONE-WAY VALVE DEVICE SUITABLE FOR USE AS A HEART VALVE
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