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RE40122 |
Expandable stent-graft covered with expanded polytetrafluoroethylene
The expandable stent-graft generally defines a cylindrical lumen made from a stent having a discontinuous wall that is at least substantially covered with an expended polytetrafluoroethylene...
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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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7306624 |
Implantable intraluminal device and method of using same in treating aneurysms
A method for reducing blood flow to an aneurysm proximate to a bifurcation having a source blood vessel a first branch vessel and a second branch vessel, the method comprising: providing a first...
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7294409 |
Medical devices having porous layers and methods for making same
Methods for fabricating a medical device having at least one porous layer include providing a medical device having at least one alloy and removing at least one component of the alloy to form the...
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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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7238199 |
Method and apparatus for stent deployment with enhanced delivery of bioactive agents
A stent for use in animals including humans is disclosed which includes unprotected and protected regions, each protected regions including a bioactive or biopenetrating agent containing therein...
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7235096 |
Implantable device for promoting repair of a body lumen
An implantable stent having surface features adapted to promote an organized growth pattern of infiltrating cells when implanted in a tubular organ is provided. The surface features comprise...
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7147846 |
Prosthetic grafts
An improved prosthetic graft for the bypass, replacement or repair of vessels and organs that are in contact with blood flow is disclosed. The prosthetic graft includes a porous prosthetic implant...
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7135038 |
Drug eluting stent
Stents having struts with narrowed portions are described. The narrowed portions have a coating disposed thereon for the local delivery of a drug.
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7122048 |
Hypotube endoluminal device
A self-expanding endoluminal device comprising at least one tubular filamentary member having a hollow core for receiving a guidewire, the tubular member having a straightened configuration with...
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7041129 |
Micro-porous mesh stent with hybrid structure
A prosthesis for treating a body passage includes a micro-porous tubular element and a support element. The tubular element is formed from a thin-walled sheet having a wall thickness of 25...
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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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7022135 |
Film with highly porous vascular graft prostheses
A vascular graft prosthesis having ingrowth-permissive lumenal wall features with a thin film or layer of sealant-like material placed at a lumenal wall location to promote improved transmural...
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7020947 |
Metal wire with filaments for biomedical applications
A method for constructing a metal wire with embedded filaments or cavities therein for biomedical applications. The method includes first drilling nonconcentric apertures in a symmetrical pattern...
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6976952 |
Expanded polytetrafluoroethylene vascular graft with coating
A vascular graft comprised of a tubular polytetrafluoroethylene (ePTFE) sheet is provided. The ePTFE sheet has a substantially uniform coating of bioresorbable gel material, for example gelatin, on...
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6974475 |
Angioplasty stent
A prosthesis for use in preventing restenosis after angioplasty is formed of plastic or sheet metal, and is expandable and contractable for placement. The prosthesis can be inserted while in a...
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6827732 |
Stent with enhanced friction
A stent for placement in a body lumen is fabricated by forming a tube having an un-deployed diameter sized for the tube to be placed on a deployment balloon and advanced through a body lumen to a...
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6770086 |
Stent covering formed of porous polytetraflouroethylene
A porous polytetrafluoroethylene substrate is used in an endoprosthesis device. An elongate radially expandable tubular stent is also included with the porous PTFE substrate, and form the...
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6764505 |
Variable surface area stent
A stent of variable surface area as determined by stent struts. The stent can have a variable surface area per unit length which accommodates a therapeutic agent. A patterned distribution of...
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6740112 |
Implantable stroke risk reduction device
An implantable device for positioning about a blood vessel bifurcation zone to control flow of embolic material around said bifurcation. The device comprises an anchoring element extending within...
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6709379 |
Implant with cavities containing therapeutic agents
The invention relates to an implant and a method for the production of an implant. The implant has a covering layer that is preferably made of aluminium oxide and provided with uniform cavities and...
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6702848 |
Foam-type vascular prosthesis with well-defined anclio-permissive open porosity
A vascular prosthesis is constructed from a well-defined pore structure to allow uninterrupted ingrowth of connective tissue into a wall of the prosthesis. Several different methods can be used to...
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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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6673089 |
Implantable stroke treating device
An implantable device for positioning in the vicinity of the bifurcation of the common carotid artery (CCA) into the internal carotid artery (ICA) and the external carotid artery (ECA) comprises a...
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6652582 |
Bioabsorbable endoprosthesis having porosity for by-product collection
A bioabsorbable implantable endoprosthesis having elongate elements including hollow, cavity or porous portions adapted to accumulate by-product from the degradation of the bioabsorbable material...
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6652581 |
Medical device with porous surface for controlled drug release and method of making the same
The medical devices of the invention have a portion with a porous surface for release of at least one biologically active agent therefrom. The porous surface is made of a material such as a polymer...
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6652567 |
Fenestrated endovascular graft
A two-layered fenestrated vascular graft is provided for repair of diseased, damaged or aneurismal blood vessels. The fenestrated vascular graft is configured to be delivered transluminally and...
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6579313 |
Methods for implanting cells
A method for implanting cells onto a prosthesis includes the steps of: (a) providing a prosthesis including a porous tube, where at least 25% of the pores on the inner surface of the tube have...
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6572642 |
Method for treating a prosthesis having an apertured structure and associated devices
A prosthesis having an apertured structure is located in a chamber ( 11 ) which is taken to sub-atmospheric pressure. Once sub-atmospheric pressure has been reached, a liquid, optionally containing...
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6541116 |
Superoxide dismutase or superoxide dismutase mimic coating for an intracorporeal medical device
A method of providing a therapeutic, diagnostic or lubricious hydrophilic coating on an intracorporeal medical device and the coated device produced thereby, wherein the coating is durable. In one...
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6540780 |
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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6506437 |
Methods of coating an implantable device having depots formed in a surface thereof
The present invention provides methods of coating an implantable device, such as a stent or a graft, having a plurality of depots formed in a surface thereof. An exemplary method includes applying...
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6488701 |
Stent-graft assembly with thin-walled graft component and method of manufacture
A stent-graft assembly having a thin-walled membrane and method of preparing the same are disclosed. In a first embodiment, the assembly comprises a stent, a coating and a porous membrane, wherein...
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6482227 |
Stent graft having improved attachment within a body vessel
In accordance with the present invention there is provided an improved stent graft for insertion into a body vessel of a patient. The stent graft includes a hollow substantially cylindrical stent...
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6447542 |
Implantable members for receiving therapeutically useful compositions
An implantable prosthesis includes a porous polymeric member having pores present in its wall structure wherein these pores contain a variety of therapeutically useful compositions including,...
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6436135 |
Prosthetic vascular graft
A prosthetic vascular graft with walls less than O.8B millimeters in thickness and formed of highly expanded polytetrafluoroethylene with a microscopic superstructure of nodes and interconnecting...
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6398808 |
Localized delivery of genetic information from biostable materials
Medical devices and systems for the localized delivery of genetic information to a target location within a mammalian body. In one embodiment, the system comprises a medical device insertable into...
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6355055 |
Endovascular support device and method of use
An endovascular support device adapted for local delivery of a therapeutic agent and for minimizing the rate of restinosis having a cylindrical support body with an inside surface and an opposite...
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6309411 |
Method and apparatus to prevent stent migration
An endoprosthesis is provided having an expandable, generally cylindrical body portion defining an inside surface and an outside surface. The inside surface is preferably regular and smooth to...
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6273913 |
Modified stent useful for delivery of drugs along stent strut
Delivery of rapamycin locally, particularly from an intravascular stent, directly from micropores in the stent body or mixed or bound to a polymer coating applied on stent, to inhibit neointimal...
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6261320 |
Radioactive vascular liner
Disclosed is a radioactive tubular prosthesis formed by rolling a flexible sheet around a longitudinal axis. Preferably, the prosthesis is self expandable under the radially outwardly directed...
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6240616 |
Method of manufacturing a medicated porous metal prosthesis
A method of manufacturing a medicated prosthesis such as a stent. The method includes forming a stent out of porous metal and loading a therapeutic agent into the pores of the metal. In one...
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6176874 |
Vascularized tissue regeneration matrices formed by solid free form fabrication techniques
Solid free-form fabrication (SFF) methods are used to manufacture devices for allowing tissue regeneration and for seeding and implanting cells to form organ and structural components, which can...
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6120535 |
Microporous tubular prosthesis
Disclosed is a tubular microporous prosthesis formed by rolling a flexible sheet around a longitudinal axis. Preferably, the prosthesis is self expandable under the radially outwardly directed...
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5961545 |
EPTFE graft-stent composite device
An implantable intraluminal device includes a multilayer composite tubular device supporting one or more stents between the layer thereof. A first porous elongate tube includes an exterior surface...
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5628781 |
Implant materials, methods of treating the surface of implants with microvascular endothelial cells, and the treated implants themselves
Implant materials having porosity are provided by the present invention. Methods for treating a synthetic or naturally occurring implant, such as a vascular graft, intended for implantation in a...
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5609629 |
Coated implantable medical device
A coated implantable medical device 10 includes a structure 12 adapted for introduction into the vascular system, esophagus, trachea, colon, biliary tract, or urinary tract; at least one layer 18...
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5609624 |
Reinforced vascular graft and method of making same
A microporous reinforced expanded PTFE vascular graft in which the reinforcing structure is substantially identical in porosity to the body of the graft. The graft is characterized by a microporous...
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5591225 |
Composite artificial blood vessel
An artificial blood vessel comprising a tube of a porous synthetic polymer on a surface of which a protein or a peptide having cell adhesion and growth functions is covalently bonded through...
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5549664 |
Artificial blood vessel
An artificial blood vessel which has excellent long-term patency and can be used stably in a living body for a long time. The artificial blood vessel has improved durability under pulsation and can...
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