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Document Title |
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7381220 |
Devices, systems, and methods for supplementing, repairing, or replacing a native heart valve leaflet
Devices, systems and methods supplement, repair, or replace a native heart valve. The devices, systems, and methods employ an implant that, in use, extends adjacent a valve annulus. The implant...
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7374571 |
Rolled minimally-invasive heart valves and methods of manufacture
Expandable heart valves for minimally invasive valve replacement surgeries are disclosed. The valves are rolled into a first, contracted configuration for minimally invasive delivery using a...
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7331993 |
Involuted endovascular valve and method of construction
A prosthetic tri-leaflet valve formed by involuting a portion of a tubular structure inside itself. The valve can be made by a method comprising providing a tubular segment in which three...
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7320705 |
Bicuspid pulmonary heart valve and method for making same
A heart valve constructed from a synthetic resin that is designed to be surgically implanted in the right ventricular outflow tract of the heart, comprising a plurality of flexible members, and an...
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7160320 |
Reed valve for implantation into mammalian blood vessels and heart with optional temporary or permanent support
A multi-leaflet valve adapted to serve as a prosthesis for diseased native valve of a mammal is constructed of biologic membrane or of biocompatible synthetic membrane. The valve has the shape of a...
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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...
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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...
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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...
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7004176 |
Heart valve leaflet locator
Disclosed are methods and devices for determining valve leaflet orientation. A catheter is provided with a conformable, radiopaque target. The target is deployed within a valve, such as the mitral...
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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...
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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...
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6916338 |
Synthetic leaflets for heart valve repair or replacement
Heart valve leaflets ( 10 ) are described that include a plurality of supports ( 350 ) within a coapting portion ( 20 ) and a substantially arcuate portion ( 30 ). The plurality of supports ( 350 )...
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6875230 |
Mechanical heart valve and production method thereof
An artificial heart valve comprising a tubular base body having sinuse(s) of Valsalva and valve cusp(s) provided inside the base body, characterized in that the base body and the valve cusps...
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6872226 |
Method of cutting material for use in implantable medical device
A method of cutting material for use in an implantable medical device employs a plotted laser cutting system. The laser cutting system is computer controlled and includes a laser combined with a...
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6830586 |
Stentless atrioventricular heart valve fabricated from a singular flat membrane
A stentless atrioventricular valve intended for attaching to a circumferential valve ring and papillary muscles of a patient comprising a singular flexible membrane of tissue or synthetic...
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6764509 |
Prosthetic heart valve with surface modification
Biocompatible prostheses, specifically, biocompatible heart valves, are described having incorporated therein an effective amount of coating applied thereto to render the valve resistant to in vivo...
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6761736 |
Medical article with a diamond-like carbon coated polymer
Implantable vascular devices and implantable cardiovascular devices suitable for contacting a patient's blood or bodily fluids include a polymer substrate that is at least partly coated with a...
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6736846 |
Replacement semilunar heart valve
A method is disclosed for using tubular material to replace a semilunar heart valve (i.e., an aortic or pulmonary valve). To create such a replacement valve, the native valve cusps are removed from...
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6726715 |
Fiber-reinforced heart valve prosthesis
A heart valve prosthesis for use as an aortic or pulmonary replacement valve, or as a mitral or tricuspid valve includes leaflets that are reinforced through the use of oriented fiber components in...
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6719788 |
Replacement atrioventricular heart valve
A replacement heart valve is configured to replace a native atrioventricular heart valve (mitral or tricuspid valve, positioned between an atrial chamber and a ventricular chamber). The replacement...
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6666886 |
Tissue equivalent approach to a tissue-engineered cardiovascular valve
The invention provides a molded valve leaflet containing a molded biopolymer having fibrils and cells within the molded biopolymer, wherein the fibrils of the molded biopolymer have...
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6666885 |
Heart valve leaflet
A heart valve is disclosed which includes a valve body and a plurality of flexible leaflets coupled to the valve body. The plurality of leaflets can have an open position and a closed position....
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6613086 |
Altering heart valve leaflet attachment geometry to influence the location and magnitude of maximum loaded stress on the leaflet
A tri-leaflet prosthetic cardiac valve with leaflets having an analytic shape in a selected position. The leaflets are connected to a valve body at attachment curves. The shape of the leaflet is...
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6562069 |
Polymer leaflet designs for medical devices
Valved prostheses include a support structure and a plurality of flexible polymer leaflets connected to the support structure, in which the leaflets have an improved structural design. The support...
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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...
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6478819 |
Prosthetic heart valves with flexible post geometry
A stent includes an elongated stent member having a plurality of post members. Each post member includes a pair of opposite sides. A first end of each post member includes an arcuate apex...
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6475239 |
Method for making polymer heart valves with leaflets having uncut free edges
A method for manufacturing a prosthetic heart valve. An elastic valve body and at least one leaflet are formed on a mold. The leaflet has a free edge which is formed by the mold without cutting the...
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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....
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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...
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6358277 |
Atrio-ventricular valvular device
An anatomically designed atrioventricular valve is made of biologically compatible synthetic membrane or biological membrane of autologous, homologous or heterologous origin. A single piece of the...
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6338740 |
Flexible heart valve leaflets
A heart valve with a structural stent and radially moveable cusps and commissures. The stent may be of three separate elements, each having a cusp portion and two commissure portions. The...
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6312464 |
Method of implanting a stentless cardiac valve prosthesis
A method of implanting a valve prosthesis in an atrio-ventricular valve of a patient's heart generally comprising securing a distal end of the valve prosthesis to the leaflets of the...
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6283995 |
Heart valve leaflet with scalloped free margin
A heart valve prosthesis includes a molded body and a plurality of leaflets. Each leaflet includes a free margin having opposite ends and a mid-point. The opposite ends are attached to a peripheral...
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6270526 |
Replacement semilunar heart valves using flexible tubes
A method is disclosed for using tubular material to replace a semilunar heart valve (i.e., an aortic or pulmonary valve). To create such a replacement valve, the native valve cusps are removed from...
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6174331 |
Heart valve leaflet with reinforced free margin
A flexible leaflet heart valve includes a base, a peripheral portion and a plurality of leaflets. Each leaflet includes a scalloped free margin having opposite ends and a mid-portion between the...
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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...
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6165215 |
Method for producing heart valves
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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...
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6117169 |
Living hinge attachment of leaflet to a valve body
A valve including a living hinge coupling a leaflet to a valve body. The leaflet can be coupled through the living hinge to the valve body's inner diameter, its outer diameter, or somewhere between...
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6102845 |
Ventricular assist device with minimal blood contacting surfaces
A ventricular assist device includes a pair of valved conduits and a pumping portion connected by these conduits into the circulatory system of a host patient. The pumping portion and valved...
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6027530 |
System, apparatus and method for chemical fixation of stentless cardiac valvular bioprostheses
A system, apparatus and method for tanning of a stentless aortic bioprosthesis, and articles manufactured by such method. The system includes a circulating bath which contains a tanning solution,...
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5961549 |
Multi-leaflet bioprosthetic heart valve
Heart valve leaflet selection methods and apparatuses which subject individual leaflets to loads and measure the resulting deflection to more reliably group leaflets of similar physical...
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5628792 |
Cardiac valve with recessed valve flap hinges
A cardiac valve includes a sleeve or ring having an inlet end and an outlet end and which is provided with a central opening (4), and openable and closable flaps having for their purpose to allow...
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5554185 |
Inflatable prosthetic cardiovascular valve for percutaneous transluminal implantation of same
An inflatable prosthetic cardiovascular valve which is constructed so as to be initially deployable in a deflated "collapsed" configuration wherein the valve may be passed through the lumen of a...
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5156621 |
Stentless bioprosthetic cardiac valve
A self-supporting cardiac valve bioprosthesis of the type fixable to the patient's aortic ring for replacing an explanted valve. The bioprosthesis consists of a tubular body having a flow...
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4769032 |
Prosthetic valve and monitoring system and method
A prosthetic heart valve which can be externally monitored is disclosed. In a first embodiment, the leaflets of the valve are magnetized, and the voltage induced in a coil juxtaposed thereto may be...
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3464322 |
DEFORMABLE DIAPHRAGM
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3130418 |
Artificial heart valve and method for making same
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2922437 |
Fluid flow control means
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2912999 |
Fluid check valve
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