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| Number | Title | Issue Date |
| 7367984 | Methods and apparatus for sizing fresh donor heart valves A fresh donor tissue valve isolation annulus size comprising a handle and trigger or crank knob manipulated by the user moves a movable probe into proximity with a stationary probe so that the probes can be inserted into the tissue valve lumen. The user releases the... | 05/06/2008 |
| 7276077 | Body fluid flow control device A device to provide body fluid flow control in the form of a valve to be located within a duct or passageway. The device is controlled through pressure above a preselected threshold. Bulk resilience about a passageway in a valve body provides the mechanism for contr... | 10/02/2007 |
| 7175659 | Automatic suture fixation apparatus and method for minimally invasive cardiac surgery An apparatus for automatically fixing sutures used in the surgical replacement of a heart valve, includes a first cylinder having a first end and a second end and an interior surface and an exterior surface. An annular lip is formed on the exterior surface adjacent ... | 02/13/2007 |
| 7172625 | Suturing rings for implantable heart valve prostheses Suturing rings and methods of use thereof facilitating initial implantation of new and replacement of dysfunctional tissue or mechanical heart valve mechanisms supported by the suturing ring are disclosed. The suturing ring annulus is adjustable to receive and engag... | 02/06/2007 |
| 7083644 | Implantable prostheses with improved mechanical and chemical properties Prostheses with improved chemical and mechanical properties manufactured that includes a radiation resistant and hydrolytically stable biocompatible fabric having outer and first and second ends with a textile fabric that includes a naphthalene dicarboxylate derivat... | 08/01/2006 |
| 6997950 | Valve repair device A valve repair device and method of repair for the mitral valve of the heart is disclosed. The valve repair device includes a leaflet portion, a muscle portion, and a plurality of chords connecting the leaflet portion to the muscle portion. The valve repair device i... | 02/14/2006 |
| 6468305 | Two piece valve A prosthetic heart valve for implantation in a heart includes an outer orifice ring and an inner orifice ring having an occluding mechanism carried therein. A ring coupling mechanism having helical threads is adapted to couple the outer orifice ring to th... | 10/22/2002 |
| 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 |
| 6358278 | Heart valve prosthesis with rotatable cuff A prosthetic heart valve includes an orifice ring adapted to carry blood therethrough. An annular recess is formed in an outer surface of the orifice ring and has first and second axially spaced walls. A sewing cuff is adapted to be coupled to a native ti... | 03/19/2002 |
| 6200341 | Mechanical heart valve assembly with super-elastic lock wire A mechanical heart valve assembly includes an orifice coupled with a stiffening ring and sewing cuff by a lock wire. The lock wire is made from a super-elastic material, e.g., a nickel-titanium alloy, and pre-formed into a C-shape. The lock wire is insert... | 03/13/2001 |
| 6176877 | Two piece prosthetic heart valve A prosthetic heart valve for implantation in a heart includes an outer orifice ring for coupling to a tissue annulus of a heart. An inner orifice ring includes at least one leaflet occluder carried in a lumen of the inner orifice ring which is movable bet... | 01/23/2001 |
| 6143025 | Suture rings for rotatable artificial heart valves A suture ring for a rotatable artificial heart valve apparatus has a ring member covered by a fabric material. A portion of the fabric material covers a portion of the inner surface of the ring member. At least one protuberance is formed on the inner surf... | 11/07/2000 |
| 5876436 | Rotatable cuff assembly for a heart valve prosthesis The invention provides a sewing cuff assembly for mounting to the body of a heart valve prosthesis. The sewing cuff assembly comprises a resiliently deformed spring for exerting a force directed toward the orifice structure. When a torque is applied to th... | 03/02/1999 |
| 5766240 | Rotatable suturing ring for prosthetic heart valve An implantable prosthetic heart valve with a suturing ring having an interiorly disposed split ring of constant diameter for securing the suturing ring fabric to the heart valve body and providing a constant rotational torque for facilitating rotation of ... | 06/16/1998 |
| 5755783 | Suture rings for rotatable artificial heart valves A suture ring for a rotatable artificial heart valve apparatus has a ring member covered by a fabric material. A portion of the fabric material covers a portion of the inner surface of the ring member. At least one protuberance is formed on the inner surf... | 05/26/1998 |
| 5607470 | Suture rings for prosthetic heart valves A suture ring assembly for a prosthetic heart valve is provided which includes a suture ring body, suture ring flange, and an interior engagement surface that are formed as a unitary structure composed of pyrocarbon material or the like. The suture ring f... | 03/04/1997 |
| 5178633 | Suture ring for heart valve prosthesis A suture ring is provided for supporting a heart valve prosthesis having a valve body with an outer circumferential surface and an annular groove formed in the surface, and includes: a stiffening ring, having first and second ends, mounted in surrounding ... | 01/12/1993 |
| 5104406 | Heart valve prosthesis A heart valve prosthesis has a suture ring with a core for form-coupling with the stent of the prosthesis so that the suture ring and the stent are held securely together axially, while the core can rotate relative to the stent. The suture ring has a cove... | 04/14/1992 |
| 4863460 | Suture rings for heart valves A suture ring including a continuous compression ring formed of a ductile, electrically conductive material and a layer of fabric secured around the compression ring. The compression ring is dimensioned slightly larger than the circumferential surface of ... | 09/05/1989 |
| 4790843 | Prosthetic heart valve assembly A prosthetic heart valve assembly which includes an artificial annulus, a prosthetic valve and a retaining ring for releasably retaining the prosthetic valve on the artificial annulus. By removing the retaining ring, the valve can be replaced with another... | 12/13/1988 |
| 4705516 | Setting for a cardiac valve A valve prosthesis for controlling the flow of blood through a cardiac opening in which a stent (b) is adapted to be permanently secured to the cardiac tissue around a cardiac opening (a) and the stent (b) forms a cylindrical opening having a preset insid... | 11/10/1987 |
| 4576605 | Cardiac valve prosthesis A cardiac valve prosthesis including an annular body having a valving member and a suturing collar. The collar has a V-shaped groove in which is mounted a movable disc segment intended for covering calcinosis. There is provided a cord for retaining the di... | 03/18/1986 |
| 4197593 | Rotatably positionable heart valve and method An implantable heart valve including a suturing ring within which the body of the valve may be rotatably positioned following surgical implantation. The suturing ring is held to the valve body by binding means, such as an annular band or series of cord wr... | 04/15/1980 |
| 3996623 | Method of implanting a prosthetic device and suturing member therefor An annular sewing member mounted on the base of a heart valve and attached to heart tissue with sutures. The sewing member has spaced outwardly directed flanges connected with a body forming a central annular outwardly open groove adapted to accommodate h... | 12/14/1976 |
