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| Number | Title | Issue Date |
| 7390497 | Poly(ester amide) filler blends for modulation of coating properties Provided herein is a PEA polymer blend and coatings or implantable devices formed therefrom. The PEA polymer blend is formed of a PEA polymer and a material capable of hydrogen bonding with the PEA. The PEA polymer blend can form a coating on an implantable device, ... | 06/24/2008 |
| 7381224 | Bone implant composite A bone implant composite comprising a collagen matrix and a calcium-based mineral, the calcium-based mineral having a particle size of 25-2000 μm and being interspersed in the collagen matrix; wherein the bone implant composite contains 3-60% by weight the collagen... | 06/03/2008 |
| 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. ... | 02/19/2008 |
| 7291167 | Stent having radiopaque markers and method of fabricating the same The present invention relates to an intraluminal medical device formed of a first base material and having a second material inlaid in the base material wherein at least one of said first material and said second material is more radiopaque than the other. The secon... | 11/06/2007 |
| 7279208 | Thin-wall polytetrafluoroethylene tube A thin-wall PTFE (polytetrafluoroethylene) tube in the form of a tube of porous expanded PTFE film wherein the porous PTFE film has a microstructure containing a multiplicity of fibrils. The thin-wall tube is used in a non-porous embodiment as the balloon portion of... | 10/09/2007 |
| 7276084 | Rolled minimally invasive heart valves Expandable heart valves for minimally invasive valve replacement surgeries are disclosed. The valves are rolled into a first, contracted configuration for minimally invasive delivery and then unrolled or unfurled at the implantation site. One- and two-piece stents m... | 10/02/2007 |
| 7198646 | Device for fastening and anchoring cardiac valve prostheses This invention relates to a device for fastening and anchoring heart valve prostheses which is essentially formed of wire-shaped interconnected elements. The aim of the invention is to be able to be implant, in a minimally invasive manner, a device of this type via ... | 04/03/2007 |
| 7025780 | Valvular prosthesis A valvular prosthesis and method of using the prosthesis are disclosed. A valve apparatus is located within a stent apparatus, such that the prosthesis is deformable between a first condition and a second condition, in which the prosthesis has a reduced cross-sectio... | 04/11/2006 |
| 6979350 | Methods for regulating the flow of blood through the blood system A valve prosthesis is disclosed which is implantable within a vein or other blood vessel of a patient using a minimally-invasive surgical procedure. The prosthesis includes a tubular wire frame which presses radially outward against the inner walls of the blood vess... | 12/27/2005 |
| 6969400 | Synthetic implant with nonimmunogenicity coating Provided are crosslinked polymer compositions that include a first synthetic polymer containing multiple nucleophilic groups covalently bound to a second synthetic polymer containing multiple electrophilic groups. The first synthetic polymer is preferably a syntheti... | 11/29/2005 |
| 6908482 | Three-dimensional annuloplasty ring and template An annuloplasty ring having a three-dimensional discontinuous form generally arranged about an axis with two free ends that are axially offset. The ring is particularly suited for repair of the tricuspid valve, and more closely conforms to the annulus shape. The rin... | 06/21/2005 |
| 6767362 | 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 tubular flexibl... | 07/27/2004 |
| 6767418 | Ti-Zr type alloy and medical appliance formed thereof A Ti—Zr type alloy manifesting excellent plastic workability at normal temperature fit for the use in general industry, allowing improvement in corrosion resistance fit for the use in medical treatment, offering improved corrosion resistance in an acidic solution,... | 07/27/2004 |
| 6755857 | Polymer heart valve with perforated stent and sewing cuff A prosthetic heart valve having an elastomeric stent with an annular base and a plurality of apertures or holes circumferentially spaced around the base for receiving a suture. Flexible polymeric leaflets are molded over the stent. Polymeric material surrounds the a... | 06/29/2004 |
| 6733525 | Rolled minimally-invasive heart valves and methods of use Expandable heart valves for minimally invasive valve replacement surgeries are disclosed. The valves are rolled into a first, contracted configuration for minimally invasive delivery and then unrolled or unfurled at the implantation site. One- and two-piece stents m... | 05/11/2004 |
| 6635085 | Heart valve stent with alignment posts A stent includes a stent member having a plurality of post members formed therein. Each post member is connected to an adjacent post member by an interconnecting portion. A plurality of leg members extend from the stent member. The stent may be molded wit... | 10/21/2003 |
| 6585766 | Cloth-covered stents for tissue heart valves 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 ... | 07/01/2003 |
| 6569194 | Thermoelastic and superelastic Ni-Ti-W alloy A radiopaque nitinol stent for implantation in a body lumen is disclosed. The stent is made from a superelastic alloy such as nickel-titanium or nitinol, and includes a ternary element including tungsten. The added tungsten in specified amounts improve th... | 05/27/2003 |
| 6409759 | Harvested tissue heart valve with sewing rim A heart valve prosthesis can be formed with a harvested tissue heart valve and a sewing rim that extends outwardly from the annulus of the harvested heart valve for easier attachment of the prosthesis. The heart valve prosthesis can further include a belt... | 06/25/2002 |
| 6338904 | Polymer coatings grafted with polyethylene oxide chains containing covalently bonded bio-active agents Disclosed are bio-active coating compositions for polymeric substrates. In particular, a bio-active coating is described which is the reaction product formed by providing a polymer backbone with at least one free isocyanate group, wherein the isocyanate g... | 01/15/2002 |
| 6322526 | Valve sizer A valve sizer having a movable element mounted to the distal end of a shaft. A valve sizing portion includes the movable element so that the valve sizing portion may be adjusted to correspond to a number of different available replacement valve sizes. An ... | 11/27/2001 |
| 6319280 | Prosthetic ring holder A holder is provided for carrying a prosthetic ring which allows for manipulation and handling of the ring during implantation in a heart. The holder includes a holder body configured to fit the ring. A boss extends around the holder body. A backing lip e... | 11/20/2001 |
| 6296662 | Bioprosthetic heart valve with balanced stent post deflection A heart valve prosthesis including a heart valve formed of a flexible material. An elongated stent member is provided in the valve and includes terminal ends. A plurality of flexible post members are formed in the stent member. Each post member includes a... | 10/02/2001 |
| 6270527 | Elastic valve with partially exposed stent A valve includes an elastic valve body and a stent. A first portion of the stent is embedded in the elastic valve body and a second portion of the stent is outside the valve body. A method of manufacturing such a valve is also claimed.... | 08/07/2001 |
| 6210437 | Chemical method to bond silicone to metal Herein are disclosed devices, particularly medical devices, more particularly implantable medical devices, comprising a first layer of a metal and a short chain silicone terminating with silicon hydride, and a second layer of a silicone polymer. The short... | 04/03/2001 |
| 6206835 | Remotely interrogated diagnostic implant device with electrically passive sensor An implant device is provided which is responsive to an external interrogation circuit. The implant device includes a structure implantable within a living animal and operatively configured to carry out or assist in carrying out a function within the livi... | 03/27/2001 |
| 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 |
| 6143025 | Suture rings for rotatable artificial heart valves A suture ring for a rotatable artificial heart valve apparatus has a ring member covered by a fabric material. A portion of the fabric material covers a portion of the inner surface of the ring member. At least one protuberance is formed on the inner surf... | 11/07/2000 |
| 6139541 | Guide for transmyocardial implant An apparatus controls a direction of formation of a hole through a myocardium for subsequent placement into the hole of a myocardial portion of a transmyocardial implant. The implant also includes a coronary portion having a coronary axis set at an implan... | 10/31/2000 |
| 6117979 | Process for making a bioprosthetic device and implants produced therefrom Bioprosthetic devices made of collagen-based material having collagen amine groups and collagen carboxyl groups are provided as well as methods for their formation. The methods comprise combining an epoxy functionalized crosslinking agent with the collage... | 09/12/2000 |
| 6092529 | 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 inside an aorta or pulmonary artery, and the inlet end of... | 07/25/2000 |
| 6059827 | Sutureless cardiac valve prosthesis, and devices and methods for implanting them A prosthetic cardiac valve assembly for sutureless implantation in a patient. The assembly includes a generally disk-shaped valve annulus element and one or more generally disk-shaped retainer elements. The elements are adapted for mutual engagement and f... | 05/09/2000 |
| 6042554 | Valve sizer and method of use A valve sizer having a movable element mounted to the distal end of a shaft. A valve sizing portion includes the movable element so that the valve sizing portion may be adjusted to correspond to a number of different available replacement valve sizes. An ... | 03/28/2000 |
| 6027525 | Flexible self-expandable stent and method for making the same A flexible self-expandable stent comprises a plurality of radially cylindrical elastic units spaced at fixed intervals, a cylindrical cover fixing member which sheaths the cylindrical elastic units, and a reverse flow preventing valve. The reverse flow pr... | 02/22/2000 |
| 6025044 | Thin-wall polytetrafluoroethylene tube A thin-wall PTFE (polytetrafluoroethylene) tube in the form of a tube of porous expanded PTFE film wherein the porous PTFE film has a microstructure containing a multiplicity of fibrils oriented substantially parallel to each other. The tube has a wall th... | 02/15/2000 |
| 5980568 | Mechanical heart valve The invention relates to a mechanical heart valve for artificial blood pumps and conduits. An occluder is located in a flow channel with an S-shaped center line and with a cross sectional area which decreases in the flow direction. The occluder is made in... | 11/09/1999 |
| 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 characteristics for later assembly in prosthetic heart valves. The de... | 10/05/1999 |
| 5935506 | Method for the manufacture of intraluminal stents of bioresorbable polymeric material A method for the manufacture of intravascular stents of bioresorbable material comprises the following steps: preparing a viscous solution of poly-ଲ-hydroxybutanoic acid as a bioresorbable polymeric material in a solvent, successively coating a male mold... | 08/10/1999 |
| 5928281 | Tissue heart valves 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 ... | 07/27/1999 |
| 5910170 | Prosthetic heart valve stent utilizing mounting clips The present invention includes a prosthetic heart valve having a stent and a piece of biocompatible material. The stent includes an inflow ring and a plurality of posts, each post extending from the ring to a post tip. The piece of material extends over t... | 06/08/1999 |
