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| Number | Title | Issue Date |
| 7658760 | 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 the radiopaci... | 02/09/2010 |
| 7632303 | Variable stiffness medical devices A medical device has a structure differentiated in terms of its stiffness or elasticity. Such stiffness differentiation is achieved through the use of superelastic or shape-memory materials which transition between a relatively malleable phase to a stiffer phase at ... | 12/15/2009 |
| 7591845 | Stent for high frequency thermotherapy The object of this invention is to provide a stent for high frequency thermotherapy, which is fabricated by knitting first superlastic shape-memory alloy wires as a way to allow the first superelastic shape-memory alloy wires to cross each other at different positio... | 09/22/2009 |
| 7582109 | Thermal transition methods and devices A method of sequentially transitioning a thermally active shape memory device progressively translocates the thermally active shape memory device through a first controlled temperature zone and through an additional controlled temperature zone. The thermally active ... | 09/01/2009 |
| 7367990 | Thread for vascular stent and vascular stent using the thread A thread for forming a vascular stent implanted in vessels is provided. This thread is formed by melt-spinning a biodegradable polymer. On the surface of the thread, there is formed a layer of a drug-containing biodegradable polymer of the same sort as the biodegrad... | 05/06/2008 |
| 7351421 | Drug-eluting stent having collagen drug carrier chemically treated with genipin A method for treating vulnerable plaques of a patient, comprising: providing a biodegradable stent comprising a first supporting zone made of a first biodegradable material, wherein the supporting zone comprises at least a portion of continuous circumference of the ... | 04/01/2008 |
| 7335426 | High strength vacuum deposited nitinol alloy films and method of making same A vacuum deposition method for fabricating high-strength nitinol films by sputter depositing nickel and titanium from a heated sputtering target, and controlling the sputter deposition process parameters in order to create high-strength nitinol films that exhibit sh... | 02/26/2008 |
| 7331988 | Stent for vessel A stent for a vessel implanted in the vessel of the living body including a main body portion of the stent formed into a tube by a yarn formed of a biodegradable polymer exhibiting a shape memory function. The main body portion of the stent is shape-memorized to a s... | 02/19/2008 |
| 7332689 | Tacking method and apparatus An apparatus for tacking a multi-lumen tubular assembly together comprises a laser, an optical member and a placement tray for retaining the tubular assembly. A portion of the optical member defines a window that is substantially transparent to laser energy emitted ... | 02/19/2008 |
| 7326242 | Asymmetric bifurcated crown An expandable stent for percutaneous procedures comprises a tubular structure disposed about a longitudinal axis and a plurality of fingers. The plurality of fingers, upon expansion of the stent, extends from the tubular structure about a second longitudinal axis wh... | 02/05/2008 |
| 7326241 | Intravascular stent A stent in a non-expanded state has a first and second expansion column, each consisting of a plurality of expansion strut pairs. An expansion strut pair includes a first expansion strut, a second expansion strut and a joining strut that couples the first and second... | 02/05/2008 |
| 7323189 | Liquid and low melting coatings for stents A method for forming liquid coatings for medical devices such as stents and angioplasty balloons is provided. The liquid coatings can be made from biodegradable materials in liquid, low melting solid, or wax forms, which preferably degrade in the body without produc... | 01/29/2008 |
| 7309351 | Expandable stent with markers and stent delivery system An expandable stent and delivery system therefor is provided for treating vascular diseases such as partially occluded blood vessels and aneurysms. The delivery system includes proximal, intermediate and distal cylindrical members disposed about an elongated core me... | 12/18/2007 |
| 7300459 | Stent with covering and differential dilation A stent is provided with a multi-layer structure, combining one or more mesh layers with one or more film layers. The film layer(s) are configured to substantially prevent growth of an inner lining of a blood vessel, where the stent is placed, through the mesh layer... | 11/27/2007 |
| 7269520 | Method for determining pressure capability in conduit Disclosed is a method that provides for the calculation and prediction of hoop strength of an expanded pipe, preferably a PVC pipe or conduit. The method includes the steps of: (a) determining hoop strength as a function of relative wall thickness; (b) determining W... | 09/11/2007 |
| 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 |
| 7264619 | Catheter with flexible cooled electrode A catheter for the treatment of tumors and other affections using hyperthermia induced by radio frequency includes a tubular body with or without an anchoring balloon at its distal end. An active electrode is positioned around the body and connected to a radio frequ... | 09/04/2007 |
| 7258696 | Apparatus for delivering, repositioning and/or retrieving self-expanding stents Apparatus for delivering and deploying a stent formed of a shape memory alloy to a desired position in a tubular area of the body, and/or for repositioning and/or retrieving a stent formed of a two-way shape memory alloy. An arrangement is provided by which the temp... | 08/21/2007 |
| 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 |
| 7229473 | Local delivery of rapamycin for treatment of proliferative sequelae associated with PTCA procedures, including delivery using a modified stent Methods of preparing intravascular stents with a polymeric coating containing macrocyclic lactone (such as rapamycin or its analogs), stents and stent graphs with such coatings, and methods of treating a coronary artery with such devices. The macrocyclic lactone-bas... | 06/12/2007 |
| 7223286 | Local delivery of rapamycin for treatment of proliferative sequelae associated with PTCA procedures, including delivery using a modified stent Methods of preparing intravascular stents with a polymeric coating containing macrocyclic lactone (such as rapamycin or its analogs), stents and stent graphs with such coatings, and methods of treating a coronary artery with such devices. The macrocyclic lactone-bas... | 05/29/2007 |
| 7217286 | Local delivery of rapamycin for treatment of proliferative sequelae associated with PTCA procedures, including delivery using a modified stent Methods of preparing intravascular stents with a polymeric coating containing macrocyclic lactone (such as rapamycin or its analogs), stents and stent graphs with such coatings, and methods of treating a coronary artery with such devices. The macrocyclic lactone-bas... | 05/15/2007 |
| 7214229 | Radially expanding stents The present disclosure is directed to embodiments of devices for capturing obstructions within passageways. The devices disclosed herein may include a flexible tubular body forming multiple flexible members arranged in a helical pattern. These flexible members may b... | 05/08/2007 |
| 7214240 | Split-bridge stent design A stent or other intraluminal medical device may be constructed utilizing a series of split-bridges interposed between a series of fixed bridges to reduce the likelihood of deformation during stent loading and stent deployment without sacrificing overall stent flexi... | 05/08/2007 |
| 7198637 | Method and system for stent retention using an adhesive The invention provides a method of manufacturing a system for treating a vascular condition. A catheter including an inflatable balloon is provided. A stent is positioned over the balloon. An adhesive material is applied between an inner surface of the stent and an ... | 04/03/2007 |
| 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 metallic or pseudometallic valves coupled to metallic or pseudometallic sten... | 03/27/2007 |
| 7195648 | Intravascular stent device Disclosed is a very small diameter intravascular stent, or aneurysm cover, which may be used to occlude, or partially occlude, an aneurysm in the human brain. The stent is comprised of a thin-walled skeletal tubular member formed of interconnected sinusoidal members... | 03/27/2007 |
| 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 |
| 7150745 | Devices and methods for treatment of luminal tissue Devices and methods are provided for treatment of tissue in a body lumen with an electrode deployment device. Embodiments typically include a device with a plurality of electrodes having a pre-selected electrode density arranged on the surface of a support. The supp... | 12/19/2006 |
| 7144419 | Drug-polymer coated stent with blended phenoxy and styrenic block copolymers The present invention provides a system for treating a vascular condition, including a catheter, a stent coupled to the catheter, a drug-polymer coating on the stent including a polymeric blend of a phenoxy polymer and a styrenic block copolymer, and a bioactive dru... | 12/05/2006 |
| 7128757 | Radiopaque and MRI compatible nitinol alloys for medical devices A radiopaque nitinol medical device such as a stent for use with or 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 selected from the group of chemical elements... | 10/31/2006 |
| 7128758 | Austenitic nitinol medical devices A medical device for use within a body lumen that is made from a binary nickel-titanium alloy that remains in its austenitic phase throughout its operational range is disclosed. The medical device, such as an intraluminal stent, is made from superelastic nickel-tita... | 10/31/2006 |
| 7101597 | Medical devices made from polymer blends containing low melting temperature liquid crystal polymers A medical device, at least a portion of which is composed of a polymeric material in which the polymeric material is a melt blend product of at least two different thermoplastic polymers, one of the thermoplastic polymers being a thermoplastic liquid crystal polymer... | 09/05/2006 |
| 7094260 | Biodegradable common bile duct stent and the method for preparing thereof A biodegradable common bile duct stent and the method for preparing thereof are provided. The stent is made of biodegradable polymeric material with incorporation of X-ray opaque components. The stent adapts to the anatomical shape of the CBD or it can be sutured to... | 08/22/2006 |
| 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 |
| 7074235 | Low-profile, non-stented prosthesis for transluminal implantation An implantable prosthesis for placement in hollow tubular organs is described alongwith an instrument for deploying the said prosthesis. On radial compaction, the prosthesis has a low profile, allowing introduction into the body with a deployment instrument of low c... | 07/11/2006 |
| 7063722 | Method of implanting a self-molding annuloplasty ring A method of implanting a resilient self-molding annuloplasty ring including stretching it to an expanded diameter and attaching it to a heart valve annulus, then permitting the ring to contract to reduce the diameter of the annulus. The ring may be positioned on an ... | 06/20/2006 |
| 7060150 | Methods for making a supported graft A method for making an endoluminal prosthesis for implantation within a body lumen to maintain luminal patency, the prothesis including a support structure, such as a wire member, and a polymer component, such as a polymer cladding. The method may include joining a ... | 06/13/2006 |
| 7052513 | Three-dimensional braided covered stent A prosthesis for transluminal implantation consists of a flexible tubular three-dimensionally braided structure of metal or polymeric monofilaments, and polymeric multifilament yarns. The prosthesis can be elastically deformed to reduce its diameter through axial el... | 05/30/2006 |
| 7044461 | Method and apparatus for adjustably induced biaxial strain An apparatus comprising a shape memory alloy is configured as a ring shaped sample holder for a transmission electron microscope and imparts uniform biaxial strain on a thin film mounted within. The sample holder responds to a change in temperature by changing the i... | 05/16/2006 |
