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...that Thomas Edison's patent application on his phonograph was approved by the Patent Office in just seven weeks? In contrast, it took Gordon Gould, the inventor of the laser, 30 years to obtain his patent -- finally awarded in 1988!
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| Number | Title | Issue Date |
| 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 |
| 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 |
| 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 |
| 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 |
| 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 |
| 6890352 | Vessel valve A vessel valve including a sleeve or ring having a central opening and openable and closeable flap elements intended to allow the flow of blood through the central opening in one direction, whereas the flap elements are designed as circle segments, and the sector an... | 05/10/2005 |
| 6730122 | Prosthetic heart valve with increased lumen A prosthetic heart valve for replacing a native heart valve is provided and includes a generally circular heart valve body having an inner wall defining a lumen configured to allow blood flow therethrough. Occluders are configured to rotate about opposed occluder en... | 05/04/2004 |
| 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 |
| 6585761 | Prosthetic vein valve and method A prosthetic valve adapted to be inserted into a blood vessel and held in a desired position therein. The valve includes an annular support ring having a longitudinal axis and defining a substantially circular central opening for passage of blood. The sup... | 07/01/2003 |
| 6454799 | Minimally-invasive heart valves and methods of use Expandable heart valves for minimally invasive valve replacement surgeries are disclosed. In a first embodiment, an expandable pre-assembled heart valve includes a plastically-expandable annular base having plurality of upstanding commissure posts. A tubu... | 09/24/2002 |
| 6296663 | Bileaflet heart valve having open channel and swivel pivots A bileaflet heart valve comprising an annular base and pivoting leaflets. Each leaflet is "free-floating" within recesses without fixed rotational axis in order to increase translational movement and redistribute stresses. Each recess fluidly communicates... | 10/02/2001 |
| 6287339 | Sutureless heart valve prosthesis A heart valve prosthesis which incorporates a substantially permanently implantable abutment structure which is surgically attached to a native heart valve annulus through utilization of a resilient metal substructure having an attachment portion which mo... | 09/11/2001 |
| 6200340 | Tilting disk heart valve having cavitation reducing contact geometry A heart valve prosthesis includes a valve housing having an opening formed therein having an inmost arcuate surface and a leaflet pivotally mounted in the opening for movement between an open position and a closed position with the inmost arcuate surface.... | 03/13/2001 |
| 6179869 | Artificial heart valve Prosthesis for the replacement of heart valves, with a valve ring (10) with a radius R, in which at least two substantially elongated wing valves (12, 14, 16) are mounted so as to rotate about in each case an axis (18) located in the ring plane, the axes ... | 01/30/2001 |
| 6171335 | Heart valve prosthesis The invention provides a prosthetic valve having a generally annular frame with three post and three scallops. The frame is tri-symmetric with an axis of symmetry defined by the axis of blood flow through the valve. The external surface of the frame is ge... | 01/09/2001 |
| 6096075 | Prosthetic heart valve A prosthetic heart valve comprising a tubular valve body and a pair of leaflets which pivot, or translate and pivot, between open and closed positions. The valve body is of circular interior cross-section except for a pair of diametrically opposed flat wa... | 08/01/2000 |
| 6051022 | Bileaflet valve having non-parallel pivot axes A bileaflet heart valve prosthesis includes an orifice body or housing defining an orifice or opening for the passage of blood therethrough. First and second leaflets or occluders are disposed in the orifice and pivotally attached to the orifice body. The... | 04/18/2000 |
| 5833707 | Removable stent and method of deployment An apparatus and method for temporarily implanting an intraluminal stent in a body lumen and its subsequent removal. A stent is formed from a thin sheet that has been wound around itself into a generally cylindrical roll. The stent has a deployed configur... | 11/10/1998 |
| 5522886 | Heart valve prostheses Check valves for fluid flow, particularly for use as replacement heart valves, employ annular valve bodies with hinge arrangements which support one or more occluders for movement between open and closed orientations. Illustrated are single occluder and t... | 06/04/1996 |
| 5405382 | Cardiac valve prosthesis The cardiac valve prosthesis comprises a circular body (1) accomodating a locking element in the form of two folds (2) mounted pivotable in relation to the body (1). The internal surface of the body (1) is made concave and suhstantially spherical, while t... | 04/11/1995 |
| 5397347 | Artificial heart valve An artificial heart valve is the combination of curved wings and a ring inside of which the curved wings are hinged. The ring extends between an inlet and an outlet end, which ends are bisected by a center plane. The ring has diametrically opposed shoulde... | 03/14/1995 |
| 5326372 | Prosthetic heart valve assembly A prosthetic heart valve assembly of the type having a ring member and pivotable leaflet structure is provided. Each individual leaflet pivots on a pair of peripheral flat ear members that oscillate in mating respective spherical bearing recesses. These r... | 07/05/1994 |
| 5314467 | Composite curvature bileaflet prosthetic heart valve with serpentine curve hinge recesses A heart valve prosthesis having an annular valve housing or base and two leaflets supported for pivotable movement within the annular valve housing. Each valve leaflet possesses a composite curvature shape with pivoting hinges being purposely offset to th... | 05/24/1994 |
| 5078737 | Obturator for heart valve prostheses, a heart valve prosthesis provided with such an obturator, and a method for the manufacture thereof The thickness of the obturator (3) increases gradually from the central region (C9 C10) towards the ends (P9, P10) of the edge (6) nearest to the axis of articulation (5) to the prosthesis, and decreases gradual... | 01/07/1992 |
| 5064432 | Bicurved leaflet(s) prosthetic heart valve A mechanical artificial heart valve is provided and consists of an annular shaped orifice, to which a single (or multiple) bicurved leaflet(s) is (are) hinged. The curves are planar and are generated from two intersecting circular arcs. The valve is const... | 11/12/1991 |
| 5026391 | Curved butterfly bileaflet prosthetic cardiac valve An annular valve body having a central passageway for the flow of blood therethrough with two curved leaflets each of which is pivotally supported on an accentric positioned axis in the central passageway for moving between a closed position and an open p... | 06/25/1991 |
| 4950287 | Bicurved leaflet(s) prosthetic heart valve A mechanical artificial heart valve is provided and consists of an annular shaped orifice, to which a single (or multiple) bicurved leaflet(s) is (are) hinged. The curves are planar and are generated from two intersecting circular acrs. The valve is const... | 08/21/1990 |
| 4872875 | Prosthetic heart valve A heart valve of the bi-leaflet or monoleaflet type having improved reductions in drag on blood flow through the fully opened heart valve. The leaflets are pivotally mounted in a heart valve body for movement between closed and opened positions. The leafl... | 10/10/1989 |
| 4775378 | Cardiac valve prosthesis A cardiac valve prosthesis having an S-shaped curve of the closing body along the skeleton line. The inlet area and the outlet area are oriented toward the flow direction, while the opening force is exclusively effective in the central region behind the s... | 10/04/1988 |
| 4597767 | Split leaflet heart valve A check valve for cardiac surgery and the like has a hollow valve body supporting spring biased split leaflets hinged for swinging movement from the base thereof between normally closed position and open position wherein the leaflets form a continuation o... | 07/01/1986 |
| 4484365 | Flap-type prosthetic heart valve A prosthetic cardiac valve comprises a collar adapted to be secured in a blood-flow passage, a pair of pivots in the collar extending generally parallel to each other and spaced apart perpendicularly to the direction of flow through the passage, and respe... | 11/27/1984 |
| 4425670 | Cardiac valvular prosthesis with rheodynamic disc A cardiac valvular prosthesis comprising an occluder disc, a supporting ring pivotally supporting said disc, and a suturing ring arranged on an outer portion of said supporting ring and adapted to facilitate suturing to the annulus of a cardiac valve to b... | 01/17/1984 |
| 4423525 | Heart valve prosthesis The prosthesis comprises an annular frame and a disc-shaped obturator which is coupled to the frame and is pivotable, under the action of the blood flow, between an open annular position and a closed angular position, so as to allow the flow of blood thro... | 01/03/1984 |
| 4240161 | Arcuate disc heart valve A free floating pivoting disc heart valve in which the disc has a generally arcuate segment configuration positioned so as to present a generally convex surface toward the outflow side of said base and a generally concave surface toward the inflow side of... | 12/23/1980 |
| 4123805 | Artificial heart valve An artificial heart valve consists basically of a valve ring and a valve flap in the form of a disc which is pivotally mounted eccentrically in the valve ring, the external circumferential surface of the valve flap cooperating with the internal contour of... | 11/07/1978 |
| 4011601 | Prosthetic heart valve A prosthetic heart valve wherein the occluder member is of high camber air-foil-like configuration which assists in creating vortices in the blood flow pattern into the ventricular cavity. The formed vortices aid in cleansing the cavity and in closing the... | 03/15/1977 |
| 3953898 | Prosthetic one-way heart valve A heart valve including a generally annular body and a disc within the body pivotable about a centerline of the disc. Vanes project from one face of the disc in a direction opposite the flow direction through the valve, fluid flow against the vanes causin... | 05/04/1976 |
