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7384428 |
Method and apparatus for covering a stent
An expandable stent suitable for implantation in a lumen is covered with a biological material. In one embodiment, biological fibers are interwoven to form a stent covering. The fibers are disposed...
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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...
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7335229 |
Vascular stent with composite structure for magnetic resonance imaging capabilities
A stent is adapted to be implanted in a duct of a human body to maintain an open lumen at the implant site, and to allow viewing body tissue and fluids by magnetic resonance imaging (MRI) energy...
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7324675 |
Quantification of aortoiliac endoluminal irregularity
A method to quantify the radial endoluminal irregularity of aortoiliac arteries is provided. Radial endoluminal outlines of a vessel of interest are determined. The cross sectional area is...
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7311980 |
Polyactive/polylactic acid coatings for an implantable device
A polymeric coating for a medical device that comprises poly(lactic acid) and a block copolymer including blocks of poly(ethylene glycol) and poly(butylene terephthalate) is provided.
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7311727 |
Encased stent
An encased stent that discourages restenosis by having a homogenous endothelial cell lining along the inner wall of the stent. The endothelial cell lining may be coated on the stent before the...
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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...
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7297158 |
Multilayer composite vascular access graft
A multilayer composite vascular access graft and a method of constructing such a graft are disclosed. The mcVAG has improved performance characteristics, which include desirable handling...
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7297157 |
Medical device with radiopacity
An endoprosthesis, such as a stent, having a layer that can enhance the biocompatibility of the endoprosthesis, and methods of making the endoprosthesis are disclosed.
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7261735 |
Local drug delivery devices and methods for maintaining the drug coatings thereon
Local drug delivery medical devices are utilized to deliver therapeutic dosages of drugs, agents or compounds directly to the site where needed. The local drug delivery medical devices utilize...
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7261734 |
Resorption-controllable medical implants
Bioresorbable medical implants are designed to have different resorption rates over time or over the topography of the implants. The resorption of the medical implants are controlled by including...
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7247364 |
Coating for implantable medical devices
An implantable medical device, such as a stent, is disclosed having a coating. The coating includes a poly(butylene terephthalate-co-ethylene glycol)polymer. The coating can also include a drug.
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7244272 |
Vascular prosthesis and method for production thereof
A vascular prosthesis comprising a first layer having a predetermined first porosity and a second layer having a predetermined second porosity, wherein the first layer and the second layer are each...
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7244271 |
Self-sealing PTFE vascular graft and manufacturing methods
An implantable microporous ePTFE tubular vascular graft exhibits long term patency, superior radial tensile strength and suture hole elongation resistance. The graft includes a first ePTFE tube and...
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7211108 |
Vascular grafts with amphiphilic block copolymer coatings
One aspect of the invention relates to a graft, a surface of which is coated with an amphiphilic block copolymer that includes both hydrophobic and hydrophilic polymer chains. An amphiphilic block...
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7208011 |
Implantable medical device with drug filled holes
The present invention relates to implantable medical devices for delivery of therapeutic agents, such as drugs, to a patient. More particularly, the invention relates to a device having therapeutic...
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7137947 |
Endovascular prosthesis having a layer of biological tissue
An apparatus ( 10 ) for grafting of a blood vessel ( 12 ) and a method of forming the apparatus ( 10 ) is provided. The apparatus ( 10 ) comprises an expandable support member ( 16 ) having inner...
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7121999 |
Method of preparing layered graft prostheses
The invention is directed to bioengineered graft prostheses made from two or more superimposed, chemically bonded layers of processed tissue material prepared from cleaned tissue material derived...
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7101394 |
Energetically-controlled delivery of biologically active material from an implanted medical device
A medical device and system capable of providing on-demand delivery of biologically active material to a body lumen patient, and a method of making such medical device. A first coating layer...
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7090693 |
Endovascular graft joint and method for manufacture
A joint and method for producing a joint in an endovascular graft. In one embodiment, a flap of a flexible material portion of an endovascular graft is folded about a portion of an expandable...
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7083640 |
Covered stent with encapsulated ends
A flexible covered stent having a stent covered on a first surface by a first layer of biocompatible material and on a second surface by both a second and third layer of biocompatible material, the...
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7063884 |
Stent coating
A stent comprising a coating layer is disclosed. The coating layer has a hydrophobic component and a hydrophilic component, wherein a region of the coating layer on or about the outermost surface...
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7060103 |
Tissue repair fabric
A prosthesis, which, when implanted into a mammalian patient, serves as a functioning replacement for a body part, or tissue structure, and will undergo controlled biodegradation occurring...
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7056412 |
Counter rotational layering of ePTFE to improve mechanical properties of a prosthesis
A prosthesis, and method for forming same, are provided which includes expanded polytetrafluoroethylene (ePTFE) tubes having angularly offset node and fibril configurations. Also, the node and...
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7056337 |
Natural tissue stent
A medical implant made from multiple layers of non-synthetic, natural tissues is provided. The medical device includes openings that extend radially through the wall of the medical implant. One...
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7056336 |
Covered endoprosthesis and delivery system
The present invention is an improved endovascular device particularly useful for use in transjugular intrahepatic portosystemic shunt (TIPS) procedures. The device employs a two-part stent-graft...
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7041126 |
Flexible self-expandable stent and method of producing the same
A flexible self-expandable stent has inside and outside stent bodies each fabricated by knitting first and second super-elastic shape memory alloy wires into a net-like structure with the first...
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7033388 |
Porous synthetic vascular grafts with oriented ingrowth channels
A vascular prosthesis is constructed from a structure having interconnected, helically oriented channel-porosity to allow oriented ingrowth of connective tissue into a wall of the prosthesis. The...
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7014913 |
Rate-reducing membrane for release of an agent
A membrane that reduces the rate at which a therapeutic substance is released from an implantable medical device, such as a stent, is disclosed.
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6994666 |
Non-porous smooth ventricular assist device conduit
An improved inflow conduit for an implantable ventricular assist device comprising covering the flexible porous tubular graft body of the conduit with an attached non-porous polymer to produce a...
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6986735 |
Method of making a bioremodelable vascular graft prosthesis
The invention is directed to methods of making bioremodelable graft prostheses prepared from cleaned tissue material derived from animal sources. The bioengineered graft prostheses of the invention...
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6949119 |
Method of making an intraluminal stent graft
A method of making an tubular intraluminal graft in the form of a tubular diametrically adjustable stent having a tubular covering of porous expanded polytetrafluoroethylene which is less than 0.10...
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6926919 |
Method for fabricating a coating for a medical device
Methods for fabricating coatings for implantable medical devices are disclosed. The coatings include blends of hydrophilic and hydrophobic polymers. The methods provide for treatment of the...
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6908624 |
Coating for implantable devices and a method of forming the same
Coatings for implantable devices or endoluminal prosthesis, such as stents, are provided, including a method of forming the coatings. The coatings can be used for the delivery of an active...
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6896965 |
Rate limiting barriers for implantable devices
A coating for implantable medical devices including an interpenetrating polymer network serving as a rate limiting barrier.
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6890350 |
Combination self-expandable, balloon-expandable endoluminal device
An endoluminal device, such as a stent or a vena cava filter, comprising at least one superelastic section and at least one plastically deformable section. The superelastic section may comprise,...
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6863696 |
Vascular prosthesis
A tubular vascular prosthesis with a uniform velour outer layer has an elementary unit of tubing composed of a double velour outer layer, made from polyester yarn, the middle layer, made from two...
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6863686 |
Radially expandable tape-reinforced vascular grafts
A tape-reinforced tubular vascular graft formed of sintered fluoropolymer(s), such as expanded, sintered PTFE. The graft includes a base graft and a reinforcing tape applied thereto. The tape may...
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6849085 |
Self-supporting laminated films, structural materials and medical devices manufactured therefrom and method of making same
Metal foils, wires, and seamless tubes with increased mechanical strength are provided. As opposed to wrought materials that are made of a single metal or alloy, these materials are made of two or...
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6821295 |
Flared coronary artery bypass grafts
A bypass graft includes a tubular portion having an internal tubular diameter and a first end and a second end. The tubular portion has a central axis. A flared portion has an adjoining end,...
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6814753 |
Implantable tubular prosthesis
The present invention provides a soft-tissue prosthesis which is formed from a tubular textile substrate and a liner. The liner is affixed to the intraluminal surface of the tubular textile portion...
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6800089 |
Mechanical attachment method of cover materials on stents
The present invention relates to a stent comprising a structural support and a polymeric film or sheet or tube. The structural support comprises an outer surface that is roughened patterned. The...
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6786920 |
Radially expandable stented tubular PTFE grafts
Stented tubular grafts of expanded, sintered polytetrafluoroethylene (PTFE). The stented PTFE grafts of the present invention include an integrally stented embodiment, an externally stented...
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6746773 |
Coatings for medical devices
The present invention includes biocompatible coatings and films for use on implantable medical devices and medical devices containing such coatings and films applied to a surface thereof, which...
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6740115 |
Covered stent with encapsulated ends
A flexible covered stent includes a stent covered on a first surface by a first layer of biocompatible material and on a second surface by a second layer of biocompatible material, the first and...
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6716242 |
Pulmonary vein stent and method for use
Ablation of the pulmonary veins causes damage to the tissue which may affect the viability of the tissue. By placing a stent, a vascular endoprosthesis, within a target pulmonary vein it is...
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6702850 |
Multi-coated drug-eluting stent for antithrombosis and antirestenosis
A stent having a multi-layered coating adhered to its surface which can prevent restenosis and thrombosis at the implant site. The stent coating is comprised of two layers. The first layer is a...
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6699276 |
Support structure/membrane composite medical device
The present invention relates to a support structure/membrane composite device which includes a support structure, such as a radially expandable stent, a porous non-textile polymeric membrane...
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6689160 |
Prosthesis for blood vessel
A prosthesis for a blood vessel, which is an expanded porous polytetrafluoroethylene tube having a fine fibrous structure with nodes connected to each other by fibrils. The average fibril length is...
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6676700 |
Stent with radiopaque core
A stent configuration wherein a radiopaque material is completely encapsulated in a skin of biocompatible material to prevent the exposure of radiopaque materials to living tissue and to prevent...
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