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| Number | Title | Issue Date |
| 7871435 | Anatomically approximate prosthetic mitral heart valve An anatomically approximate prosthetic heart valve includes dissimilar flexible leaflets, dissimilar commissures and/or a non-circular flow orifice. The heart valve may be implanted in the mitral position and have one larger leaflet oriented along the anterior aspec... | 01/18/2011 |
| 7846204 | Aortic valve prosthesis having natural tissue and an internal cover A prosthetic valve assembly for implantation within a native aortic valve using a catheterization technique. The prosthetic valve assembly includes a collapsible and expandable metallic frame. The frame is constructed to resist the recoil forces of the native aortic... | 12/07/2010 |
| 7429269 | Aortic prosthetic devices A prosthetic device is provided for treatment of an aortic valve, having a compressed state for transarterial delivery and being expandable to an expanded state for implantation. The device includes an expandable support implantable in the expanded state of the pros... | 09/30/2008 |
| 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 |
| 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 |
| 7261732 | Stent mounted valve There is described a prosthetic valve to be inserted into a body lumen, the valve having leaflets that are spread apart during forward flow of fluid to create an orifice, and the leaflets coming into contact with each other during reverse flow of fluid, thereby impe... | 08/28/2007 |
| 7247167 | Low profile heart valve prosthesis A heart valve prosthesis includes a valve member having an inflow end, an outflow end, and a generally cylindrical sidewall portion extending between the inflow end and the outflow end. The valve member includes at least one leaflet moveable relative to the sidewall... | 07/24/2007 |
| 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 |
| 7238200 | Apparatus and methods for making leaflets and valve prostheses including such leaflets A method for making a bioprosthetic heart valve includes providing a non-contact cutting apparatus and a layer of tissue. The non-contact cutting apparatus may include a laser cutting system or high pressure water jet system. A leaflet is cut from the layer of tissu... | 07/03/2007 |
| 7208000 | Surgical cutting device The present invention provides a single-use surgical cutting device for cutting a planar piece of tissue into a predetermined shape. The cutting device comprises a housing having one or more side walls, a top, a base, and a hollow interior portion. A blade retaining... | 04/24/2007 |
| 7201771 | Bioprosthetic heart valve A trileaflet biological prosthetic heart valve (11, 41) comprising a thin, rigid annular outer frame (25, 43) which supports three elastic, laminated spring inner frames (18, 57) which in turn provide consistent geometric form and structure for ... | 04/10/2007 |
| 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 |
| 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 |
| 7141064 | Compressed tissue for heart valve leaflets A process and system for compressing bioprosthetic tissue for use in medical implants. The process involves placing the tissue between two compressive surfaces and applying a force to reduce any nonuniformity of thickness in the tissue, while at the same time reduce... | 11/28/2006 |
| 7137184 | Continuous heart valve support frame and method of manufacture Methods for forming a support frame for flexible leaflet heart valves from a starting blank include converting a two-dimensional starting blank into the three-dimensional support frame. The material may be superelastic, such as NITINOL, and the method may include be... | 11/21/2006 |
| 7101396 | Minimally invasive valve replacement system Methods and systems for minimally invasive replacement of a valve. The system includes a collapsible valve and anchoring structure, devices and methods for expanding the valve anchoring structure, adhesive means to seal the valve to the surrounding tissue, a cathete... | 09/05/2006 |
| 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 |
| 7037333 | Prosthetic heart valve A tubular prosthetic semilunar or atrioventricular heart valve is formed by cutting flat, flexible leaflets according to a pattern. The valve is constructed by aligning the side edges of adjacent leaflets so that the leaflet inner faces engage each other, and then s... | 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 |
| 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 |
| 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 |
| 6923833 | Biologically reabsorbable acetabular constraining components and materials for use with a hip replacement prosthesis and bioreabsorbable materials to augment hip replacement stability and function A prosthetic constraining device for use with a hip replacement prosthesis that includes an acetabular cup assembly adapted to be bonded to a patient's pelvis and a femoral stem adapted to be bonded to the patient's femur, where the femoral stem includes a ball comp... | 08/02/2005 |
| 6797000 | 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 another to defin... | 09/28/2004 |
| 6544285 | Aortic root prosthesis with compliant sinuses An aortic root prosthesis for being implanted into a patient during a valve sparing surgery as a replacement for a biological aortic root segment of an ascending aorta is disclosed. The aortic root prosthesis includes a hollow, annular tube having proxima... | 04/08/2003 |
| 6491511 | Mold to form stent-less replacement heart valves from biological membranes A pair of templates form a mold for substantially flat biological membranes to shape the membrane into a configuration that, after trimming of excess tissue, is adapted for forming a replacement aortic, pulmonary, tricuspid or mitral heart valve. Each tem... | 12/10/2002 |
| 6454798 | Polymer heart valve with helical coaption surface A polymer heart valve has a leaflet with a base geometry of a cylinder for simplicity and effective opening. A helical swept surface is added to the top of the cylinder to enhance stable coaption. The heart valve includes a plurality of flexible leaflets.... | 09/24/2002 |
| 6375679 | Prosthetic valve sinus The combination of a prosthetic valve and a sinus. The valve has a plurality of flexible leaflets for opening and closing the valve, each leaflet having an edge region attached to a frame of the valve and further having a free edge. The sinus has a plural... | 04/23/2002 |
| 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 |
| 6342070 | Stentless bioprosthetic heart valve with patent coronary protuberances and method of surgical use thereof 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... | 01/29/2002 |
| 6334873 | Heart valve having tissue retention with anchors and an outer sheath An apparatus and a method for constructing a heart valve prepared from autologous tissue. Three tissue leaflets are held in place with tissue anchors on a tissue mounting frame having an annular base and a plurality of commissure posts extending from the ... | 01/01/2002 |
| 6328763 | Optimized geometry of a tissue pattern for semilunar heart valve reconstruction A new and unique, optimized, two-dimensional heart valve tissue pattern, valve, and a method of reconstructing a three-dimensional semilunar heart valve, or portion thereof. In one preferred embodiment, the two-dimensional valve tissue pattern, and method... | 12/11/2001 |
| 6254636 | Single suture biological tissue aortic stentless valve A semilunar stentless valve is constructed entirely of biocompatible material, and has a plurality of leaflets that are joined to form an annulus and coapt to form a one-way valve. The leaflets open fully to minimize obstruction. A narrow rim strip overli... | 07/03/2001 |
| 6168614 | Valve prosthesis for implantation in the body A valve prosthesis (9) for implantation in the body by use of catheter (11) comprises a stent made from an expandable cylinder-shaped thread structure (2,3) comprising several spaced apices (4). The elastically collapsible valve (6) is mounted on the sten... | 01/02/2001 |
| 6102944 | Methods of tissue heart valve assembly Improved, adaptable tissue-type heart valves and methods for their manufacture are disclosed wherein a dimensionally stable, pre-aligned tissue leaflet subassembly is formed and its peripheral edge clamped between and attached to an upper shaped wireform ... | 08/15/2000 |
| 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 |
| 5713953 | Cardiac valve prosthesis particularly for replacement of the aortic valve A stentless prosthesis is made completely from material, for example bovine pericardium, other than valve material. A projection of the valve sleeve allows reparatory operations on surrounding tissues.... | 02/03/1998 |
| 5480424 | Heart valve replacement using flexible tubes This invention comprises a method of using tubular material to replace a heart valve during cardiac surgery. To create a replacement atrioventricular (mitral or tricuspid) valve, the tube inlet is sutured to a valve annulus from which the native leaflets ... | 01/02/1996 |
| 5163955 | Rapid assembly, concentric mating stent, tissue heart valve with enhanced clamping and tissue alignment A concentric mating stent tissue heart valve which is capable of being assembled with a variety of tissue sources is provided. A plurality of prefabricated kits are also provided which enable the valve to be assembled with autogenous tissue in the limited... | 11/17/1992 |
| 4629459 | Alternate stent covering for tissue valves A prosthetic heart valve comprising a stent having an annular base and a plurality of legs extending upwardly from said base; a valve element circumscribing said stent and attached thereto, said valving element comprising a number of cooperating valve lea... | 12/16/1986 |
