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7381218 |
System and method for implanting a two-part prosthetic heart valve
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...
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7377938 |
Prosthetic cardiac value and method for making same
A prosthetic valve for replacing a cardiac valve includes an expandable support member and at least two valve leaflets made of a first layer of biological material selected from peritoneal tissue,...
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7338520 |
Endoluminal cardiac and venous valve prostheses and methods of manufacture and delivery thereof
This invention relates to prosthetic cardiac and venous valves and a single catheter device and minimally invasive techniques for percutaneous and transluminal valvuloplasty and prosthetic valve...
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7331991 |
Implantable small percutaneous valve and methods of delivery
An implantable prosthetic valve that is transformable from a first helical pre-implantation configuration to a second valvular functional configuration, and methods of delivery.
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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...
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7217284 |
Apparatus and methods for treating tissue
Apparatus and methods are provided for thermally and/or mechanically treating tissue, such as valvular structures, to reconfigure or shrink the tissue in a controlled manner. The apparatus...
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7195641 |
Valvular prostheses having metal or pseudometallic construction and methods of manufacture
This invention relates to improvements in prosthetic cardiac and venous valves and implantable medical devices having moveable septa. The inventive prosthetic cardiac and venous valves have...
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7175656 |
Percutaneous transcatheter heart valve replacement
The present invention provides improved devices and methods for replacing or repairing a malfunctioning heart valve. In particular, improved minimally invasive methods and devices are provided for...
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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...
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7147663 |
Artificial heart valve attachment apparatus and methods
Heart valve attachment apparatus and methods that significantly reduce attachment times are provided. The apparatus and methods utilize a connector band to form an interface between a...
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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...
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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...
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7011094 |
Bronchial flow control devices and methods of use
A flow control device includes a sealing component that can be positioned within a bronchial lumen. The sealing component can comprise two or more overlapping segments that are movable relative to...
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6582462 |
Valve prosthesis for implantation in the body and a catheter for implanting such valve prosthesis
A valve prosthesis for implantation in the body by use of a catheter includes a stent made from an expandable cylinder-shaped thread structure having several spaced apices. The elastically...
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6569196 |
System for minimally invasive insertion of a bioprosthetic heart valve
A system for minimally invasive insertion of a bioprosthetic heart valve. The system includes a collapsible tissue-based valve system, a catheter-based valve delivery system, a surgical platform...
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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...
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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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6425916 |
Methods and devices for implanting cardiac valves
The valve implantation system has a valve displacer for displacing and holding the native valve leaflets open in a first aspect of the invention. A replacement valve may be attached to the valve...
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6372283 |
Plasma process for surface modification of pyrolitic carbon
The present invention provides a method for modifying a pyrolytic carbon surface to improve adhesion between it and a subsequently added polymer and/or a bio-active compound. In particular, plasma...
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6352554 |
Prosthetic tubular aortic conduit and method for manufacturing the same
A prosthetic aortic conduit for replacing a root portion of an aorta is provided. The conduit comprises a first tubular portion and a second tubular portion which are connected together along a...
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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...
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6299638 |
Method of attachment of large-bore aortic graft to an aortic valve
An implantable prosthetic heart valve comprising: a valve body, a sewing ring assembly surrounding the valve body and comprising at least a fabric collar and preferably also a stiffening ring, and...
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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)....
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6126686 |
Artificial vascular valves
A method for preparing vascular valves from submucosal tissue is described. Both bicuspid and tricuspid valve constructs are described. The bicuspid constructs can be formed with or without a...
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6110201 |
Bifurcated biological pulmonary valved conduit
The present invention comprises a pulmonary valved conduit that permits inflow diameters greater than about 22 mm while still maintaining the advantages of a naturally-formed biological valved...
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5895419 |
Coated prosthetic cardiac device
The present invention includes a metallic coating on portions of the prosthesis to enhance the overall acceptability of the implantable device or fabric/sutures used to implant the prosthesis. The...
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5891195 |
Combined prosthetic aortic heart valve and vascular graft with sealed sewing ring
A combined heart valve and vascular graft, or "valve/graft combination", wherein the heart valve has a sewing ring that is substantially impervious to blood flow. In our preferred embodiment, the...
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5776189 |
Cardiac valvular support prosthesis
The invention is concerned with a support prosthesis for a natural human heart valve having an annulus of generally oval configuration with a major axis and a minor axis and at least two leaflets...
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5634879 |
Process for preparing a porous graft containing endothelial cells
A process for the production of prostheses wherein endogenic tissue material is substantially mechanically comminuted and, if necessary, additionally enzymatically digested to tissue particles,...
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5545215 |
External sigmoid valve complex frame and valved conduit supported by the same
A frame to be placed as an external support of a biological valved conduit containing three leaflets. This external frame, made of biocompatible metal or plastic is sutured to the outer surface of...
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5397351 |
Prosthetic valve for percutaneous insertion
A prosthetic valve comprises a poppet, a seat and a restraining element. The poppet, seat and restraining element include an insertion form for percutaneously inserting into a fluid passageway...
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5376112 |
Valveless conduit with sigmoid valve annuloplasty ring
A sigmoid heart valve annuloplasty prosthetic ring is disclosed which has a biocompatible stent molded into a scalloped shape, having three sinusoidal struts, to adapt to the anatomical shape of...
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5370684 |
Prosthesis of polymeric material coated with biocompatible carbon
A prosthetic device which includes a turbostratic biocompatible carbon film firmly adherent to a substrate and having a density of at least 2.1 g/cm 3 . The carbon preferably is very thin, e.g. ,...
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5314468 |
Aortic valved tubes for human implants
An aortic valved tube which is used in human implants to replace the corresponding cardiac valve and ascending section of the aorta itself, incorporates a cardiac valvular prosthesis in its...
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5139515 |
Ascending aortic prosthesis
An ascending aortic prothesis has a root wall portion with annularly spaced bulges simulating the sinuses of Valsalva to provide a more natural functioning of the aortic valve following surgery to...
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5123919 |
Combined prosthetic aortic heart valve and vascular graft
A combined mechanical heart valve and vascular graft having a shortened transition area between the valve and the graft. The mechanical valve comprises a rigid circular annulus supporting internal...
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5116564 |
Method of producing a closing member having flexible closing elements, especially a heart valve
A method of producing flexible closing members, especially artificial heart valves, and a flexible closing member, especially an artificial heart valve, which can be produced according to such a...
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4800603 |
Tissue fixation with vapor
The invention provides for tissue fixation by subjecting the tissue to the vapor of a fixative while the tissue is unstressed. The tissue may be rotated during fixation to avoid collecting...
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4787901 |
Two-way acting valve and cardiac valve prosthesis
A two-way acting valve is provided which comprises a pair of generally cylindrical ducts in longitudinally overlapping relation one of whose uses is as a cardiac valve prosthesis. The ducts are...
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4601718 |
Vascular graft and blood supply method
A graft is used to supply blood to one or more coronary artery branches. The graft is also usable as a peripheral revascularization and inter position prosthesis to supply blood to desired blood...
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4350492 |
Method for preparing tissue heart valve
A method for preparing an aortic heart valve for implantation wherein the area of the septal shelf of the right coronary cusp extending into the valve orifice is substantially reduced. The excised...
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4118806 |
Prosthetic blood vessel
A rigid prosthetic blood vessel includes a plurality of interchangeable tubular sections. Various sections are straight and curved and have common interconnection means including both fixed and...
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4086665 |
Artificial blood conduit
An artificial blood conduit comprises two concentrically associated tubes. Convolutions in the tube walls provide flexibility and reduce the tendency to kink. The inner tube is porous to promote...
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3608097 |
Title is not available
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