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| Number | Title | Issue Date |
| 7678144 | Prosthetic valve with slanted leaflet design The invention relates to a prosthetic valve for regulating fluid flow through a body lumen. The valve includes a frame and a valve member comprising at least one semi-rigid leaflet and at least one flexible leaflet. The at least one semi-rigid leaflet comprises a fi... | 03/16/2010 |
| 7544207 | Medical device with bioactive agent Medical devices with one or more bioactive agents are provided for regulating fluid flow through a body vessel. Medical devices according to the invention can comprise prosthetic valves that include a bioactive agent. ... | 06/09/2009 |
| 7189258 | Heart valve system A valve system including an aortic valve and a holder. The holder includes a holder body, which has a central portion, engagable with a holder handle, and downwardly extending leg portions that engage the valve in the areas between the commissure posts. The central ... | 03/13/2007 |
| 7189259 | Tissue material and process for bioprosthesis A biomaterial useful for bioprostheses such as bioprosthetic heart valves is provided in which the fixed tissue has improved elastic properties. The high elastin-containing biomaterial is further characterized by having anisotropic properties wherein the biological ... | 03/13/2007 |
| 7160322 | Implantable cardiac prosthesis for mitigating prolapse of a heart valve An apparatus helps improve operation of a heart valve. The apparatus includes an arcuate base portion having a central axis and a buttress extending from the base portion axially relative to the base portion. The buttress has a first surface and an opposite second s... | 01/09/2007 |
| 7087079 | Method and apparatus for replacing a mitral valve with a stentless bioprosthetic valve A stentless bioprosthetic valve includes at least one piece of biocompatible material comprising a bi-leaflet conduit. The conduit has a distal end and a proximal end that defines a first annulus for suturing to the valve annulus of a heart. The conduit further incl... | 08/08/2006 |
| 6958076 | Implantable venous valve A venous valve prosthesis includes a hollow conduit (40) defining a central passageway through which blood may flow. Opposing, pliable leaflet members (30) are located within the conduit and move back and forth between a first, open position, whereby b... | 10/25/2005 |
| 6945996 | Replacement mitral valve A sewing ring (12) has a diameter commensurate with a diameter of a removed mitral valve. Skirts (44, 46) of mesh or net material extend downward from the sewing ring and line the walls of an associated vessel (58). Basal chordae simulating stru... | 09/20/2005 |
| 6939378 | Microfabricated tissue as a substrate for pigment epithelium transplantation Methods and apparatus for modifying membranous tissue, growing cells on modified membranous tissue, and for transplantation of modified tissues and modified tissues with attached cells are provided. In particular, the invention provides methods and apparatus for mod... | 09/06/2005 |
| 6517576 | Implantable patch prosthesis having one or more cusps for improved competency A patch prosthesis includes at least one cusp extending from a length of an associated valve wall. An elongated sheet of biocompatible material is attached to the valve wall, such that a portion of the elongated sheet extends beyond an inflow end of the c... | 02/11/2003 |
| 6494909 | Endovascular valve A one-way valve suitable for implant in the human vascular system is disclosed. The valve is formed by a tube of braided filaments and has an upstream end supported in an open configuration by a radial support. The valve has a downstream portion formed by... | 12/17/2002 |
| 6364905 | Tri-composite, full root, stentless valve A bioprosthetic heart valve is disclosed. In a first aspect of the invention, a prosthetic heart valve comprises three mammalian heart valve leaflets, each valve leaflet including a full root length of tissue, the valve leaflets being affixed to one anoth... | 04/02/2002 |
| 6074419 | Indicia for prosthetic device A prosthetic stentless aortic tissue valve includes a substantially annular valve body having a leaflet carried therein for occluding blood flow therethrough. A root extends generally coaxially from the valve body. Visual marking are provided on the root ... | 06/13/2000 |
| 6001126 | Stentless bioprosthetic heart valve with coronary protuberances and related methods for surgical repair of defective heart valves A stentless aortic bioprosthesis having patent, non-ligated coronary artery segments extending therefrom, and methods for surgical replacement of aortic and/or non-aortic (e.g., pulmonary) heart valves with such stentless aortic bioprosthesis. The presenc... | 12/14/1999 |
| 4759759 | Bubble heart valve A novel bileaflet mitral heart valve is provided herein, which in two alternative embodiments may have symmetrical leaflets or assymmetrical leaflets. It has a stent including a circular base and a pair of upstanding struts separating a pair of arcuately ... | 07/26/1988 |
| 4655773 | Bicuspid valve prosthesis for an auriculo-ventricular cardiac aperture The disclosed prosthesis for replacement of the bicuspid or mitral valve in the left auriculo-ventricular aperture, or of the tricuspid valve in the right auriculo-ventricular aperture, is fitted to a semi-rigid ellipsoidal and reniform support which imit... | 04/07/1987 |
| 4490859 | Artificial heart valves A bioprosthetic mitral valve replacement comprises a flexible frame (1) having a ring-shaped base (2) and at least a pair of upstanding posts (3), which divide the base into at least two portions (2A, 2B) of varying flexibility, together with animal tissu... | 01/01/1985 |
| 4340977 | Catenary mitral valve replacement Mitral heart valve comprising a stent including a circular base and a pair of upstanding diametrically opposed struts, separating a pair of diametrically opposed arcuately shapes depressed reliefs, each such relief being bounded by a smooth curve intercon... | 07/27/1982 |
