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| Number | Title | Issue Date |
| 7575594 | Shock dampening biocompatible valve A biocompatible valve (200) includes a valve mechanism (250, 230a, 230b), which is mounted and is longitudinally displaceable within a valve mount (210) affixed to a recipient patient. A valve annulus (250) defines an... | 08/18/2009 |
| 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 valves; or iii) to monitor the functioning of one of the patient's heart... | 08/26/2008 |
| 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 rigid porous material. In embodiments of particular interest, the imp... | 05/13/2008 |
| 7267686 | Implantable prosthetic valve A prosthetic valve for implantation within a fluid conducting lumen within a body includes an elongate generally cylindrical radially collapsible valve body scaffold defining a fluid passageway therethrough for retentive positioning within the lumen. A radially coll... | 09/11/2007 |
| 7255706 | Apparatus and method for cutting a heart valve An apparatus for cutting and removing a tissue is described, which includes a rotational axle device, at least one non-mechanical cutting device radially disposed from the rotational axle device, at least one device capable of protecting the heart ventricle, and a f... | 08/14/2007 |
| 7244242 | Valve treatment catheter and methods The invention provides a catheter for insertion into a biological passage which contains a first flowing fluid, the catheter including a tubular member having a proximal end and a distal end; a fluid delivery lumen contained within the tubular member; an inflatable ... | 07/17/2007 |
| 7217287 | Method of treating diseased valve A device and method for improving flow through a native blood vessel valve, such as the aortic valve, are provided. The present invention allows a miniature valve to be implanted into affected leaflets percutaneously, obviating the need for coronary bypass surgery. ... | 05/15/2007 |
| 7156872 | Implantable valve system An implantable valve having a valve element or leaflet and a base that is attachable to a vessel wall using a connector such as a screw, pin or a staple. The valve can be implanted using a catheter to position the valve in a desired location and drive the connector ... | 01/02/2007 |
| 7147640 | External fixator Bone fixators for securing and/or repairing fractures and/or other defects of a distal radius and wrist. The bone fixators may include, among others, (1) a distal mounting element configured to be mounted in a metacarpal bone, or other hand bone, (2) a proximal moun... | 12/12/2006 |
| 7112220 | Valve There is disclosed a heart valve prosthesis having a configuration such that blood flow through it has a helical flow pattern such as to substantially reduce or eliminate turbulence and dead flow regions in the blood flow. ... | 09/26/2006 |
| 7081131 | Artificial valve Method and apparatus implementing and using techniques for controlling flow in a body lumen, including use of an implantable medical device. The device includes a membrane implantable in a body lumen and invertibly deformable between a first position and a second po... | 07/25/2006 |
| 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 assist or replace the closing function of that valve leaflet. ... | 07/04/2006 |
| 7039660 | Disaster recovery processing method and apparatus and storage unit for the same Judgement is made to determine whether or not an access request from a host computer is a write request and whether or not the contents of the write request are log information indicating contents of database processing executed in a buffer by the host computer. Whe... | 05/02/2006 |
| 7018404 | Conduit for aorta or pulmonary artery replacement Prosthetic conduits include biocompatible material formed into a generally cylindrical section and an expanded section connected to the generally cylindrical section. The conduit has a lumen extending through the generally cylindrical section and the expanded sectio... | 03/28/2006 |
| 7007698 | Body lumen closure Method and apparatus implementing and using techniques for body lumen closure, including use of an implantable medical closure device. The device includes a flexible strand defining an arcuate form. The strand is deformable upon implantation from a large cross-secti... | 03/07/2006 |
| 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 around the valve is prevented by tension in one or more circumferential... | 10/04/2005 |
| 6945957 | Valve treatment catheter and methods The invention provides a catheter for insertion into a biological passage which contains a first flowing fluid, the catheter including a tubular member having a proximal end and a distal end; a fluid delivery lumen contained within the tubular member; an inflatable ... | 09/20/2005 |
| 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, each with concave sockets on opposite sides, are formed on the inner s... | 05/24/2005 |
| 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 (11) and a transverse pivoting axis (12) bet... | 04/20/2004 |
| 6702851 | Prosthetic heart valve with surface modification A biocompatible heart valve is described having incorporated therein an effective amount of applied coating to render the valve resistant to in vivo pathologic thrombus formation and resistant to in vivo pathologic calcification.... | 03/09/2004 |
| 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 to blood flow. Due to the uniform dimension of a rectangle... | 03/02/2004 |
| 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 a closed position wherein the fluid passageway is substant... | 10/28/2003 |
| 6391053 | Prosthetic heart valve with increased valve lumen A heart valve prosthesis having a valve housing providing a lumen therethrough. The valve housing has a first annulus on one end and a second annulus on the other end spaced apart from the first annulus. A suture cuff is used for attaching the valve housi... | 05/21/2002 |
| 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 annular body. Each leaflet has an upstream edge, a downstr... | 01/23/2001 |
| 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 with flexible leaflets formed of a thin elastomeric materi... | 10/31/2000 |
| 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 in a main flow direction (F), as well as at least two closi... | 05/30/2000 |
| 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 and movable in response to dynamic blood fluid pressures ... | 03/21/2000 |
| 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 the occluder. In order to reduce wear upon a surface of the ... | 11/16/1999 |
| 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 element (4) connected with said flap (2a, 2b) and at least on... | 10/05/1999 |
| 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 and movable in response to dynamic blood fluid pressures ... | 09/29/1998 |
| 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 transcutaneously to an external transceiver. The implanted electronics m... | 01/30/1996 |
| 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 life of the valve by reducing wear, stresses, friction an... | 12/15/1992 |
| 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 substantially nonresilient material fit about the valve b... | 07/30/1991 |
| 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 be anchored in a blood vessel. One embodiment uses a clip a... | 02/19/1991 |
| 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 electromagnetic force to decelerate completion of valve closure to m... | 12/25/1990 |
| 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 lug which, if appropriate, is drawn in one region through a ... | 02/17/1987 |
| 4556996 | Heart valve An artificial heart valve includes tapering flaps which are suspended to pivot between open and closed positions.... | 12/10/1985 |
| 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 attaching the valve body to the heart tissue, and a valve... | 04/28/1981 |
| 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 D-shape and extent for direct support on the seat when the ... | 05/27/1980 |
