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7637939 |
Hybrid stent
A stent comprises at least one segment. The segment comprises a first tubular closed ring section, a second tubular closed ring section, a first generally helical section having a first end and a...
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7625399 |
Intralumenally-implantable frames
Implantable frames for use in body passages are provided herein. The implantable frames can include a plurality of hoop members joined by a plurality of longitudinal connecting members to form a...
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7622299 |
Bioengineered tissue substitutes
In one aspect, the invention provides methods for forming a target tissue substitute. The methods of the invention comprise the following steps: (a) providing a scaffold comprising one or more...
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7611887 |
Micro-muscle in biological medium
The invention concerns a micro-muscle designed to be immersed in a biological liquid, comprising a deformable chamber whereof one portion at least consists of a semipermeable membrane, said chamber...
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7594928 |
Bioabsorbable stents with reinforced filaments
According to an aspect of the present invention, a stent is provided, which contains at least one filament that has a longitudinal axis and comprises a bioabsorbable polymeric material. Polymer...
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7556644 |
Flexible stent
A flexible stent structure includes a plurality of axially spaced strut portions defining generally tubular axial segments of the stent and constructed to be radially expandable. A helical portion...
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7540881 |
Bifurcation stent pattern
A stent may comprise a plurality of serpentine bands connected by connector struts. The stent may further comprise a side branch cell having a plurality of outwardly deployable petals. Each...
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7520893 |
Method for treating neurovascular aneurysms
A graftless prosthetic stent for treatment of vascular lesions such as aneurysms and arterio-venous fistulas, especially in neurovascular vessels, comprises a continuous helical ribbon formed of a...
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7497873 |
Intravascular device and method using it
An intravascular device for minimally invasive deployment within a vessel includes a closed loop of flexible material configured to assume a first state in which the closed loop is folded on itself...
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7494482 |
Methods and apparatus for application of micro-mechanical forces to tissues
Methods and devices for transmitting micromechanical forces locally to induce surface convolutions into tissues on the millimeter to micron scale for promoting wound healing are presented. These...
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7476232 |
Access catheter having dilation capability and related methods
Various embodiments of a medical device having a dilation capability and related methods are disclosed. For example, the medical device may include a distal assembly having a radially expandable...
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7458986 |
Self-expanding stent
In an inventive stent ( 10 ), helical filaments ( 12, 13 ) are disposed on a first tubular layer ( 11 ). The helical filaments ( 12, 13 ) are mutually phase-shifted such that they do not touch and...
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7419503 |
Stent
A stent shaped as a three-dimensional body which is formed by interlaced threads ( 1 ) arranged in multistart turns of a helical line. The threads ( 1 ) are arranged in at least two groups ( 2 and...
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7412993 |
Expandable stent
A medical apparatus is fabricated by providing a coil that has a plurality of primary loops along a longitudinal direction, and for each of one or more of the primary loops, forming one or more...
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7410498 |
Polymeric stents and other surgical articles
A biocompatible non-memory expandable polymeric article selected from stents, implantable prostheses, catheters, other surgical articles and sealants for implantable prostheses, and which is at...
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7381217 |
Serpentine stent pattern
A stent comprises a serpentine band. The serpentine band has alternating peaks and troughs. A first set of peaks and troughs define an envelope of generally increasing longitudinal extent in a...
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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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7331989 |
Insert for a conduit
There is disclosed an insert ( 2 ) for a conduit ( 4 ) adapted to effect helical flow in the conduit ( 4 ) comprising a longitudinally extending member having a helical formation.
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7331990 |
Stents with proximal and distal end elevations
A prosthetic stent with a tubular wall having local inwardly or outwardly formed elevations. Stents having such elevations have a higher mechanical stability if bent according to the curvature of...
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7329277 |
Stent having helical elements
An expandable stent comprised of a plurality of helical segments is disclosed. In one embodiment, the stent is generally cylindrical in shape having a cylindrical axis, and comprises a first and...
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7326240 |
Stents for blood vessels
A stent for supporting part of a blood vessel includes a supporting portion around which or within which part of an intact blood vessel, other than a graft, can be placed so that the stent...
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7309352 |
Expandable coil stent
An implantable coil stent comprises at least a first curved segment and a second curved segment which arc about the longitudinal axis of the stent. An expandable link extends between the second end...
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7300458 |
Medical implant having a curlable matrix structure
A medical implant, having a proximal and a distal end, that is preformed to assume a superimposed structure at an implantation site but can be made to take on a volume-reduced form making it...
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7279664 |
Resonator for medical device
A resonator device including an induction coil, a conductive member positioned adjacent the induction coil, and a dielectric layer between at least a portion of the induction coil and the...
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7279005 |
Bioabsorbable self-expanding stent
A self-expanding stent formed from helically wound and braided filaments of bioabsorbable polymers such as PLA, PLLA, PDLA, and PGA.
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7270668 |
Apparatus and methods for delivering coiled prostheses
Methods and apparatus for delivering prostheses to body lumens, such as stents and grafts to blood vessels, utilize a delivery device which carries one or more linearized elements. The linearized...
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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...
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7211109 |
Braided composite prosthesis
A prosthesis for transluminal implantation consists of a flexible tubular interbraided structure of metal or polymeric monofilaments, and polymeric multifilament yarns. The prosthesis can be...
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7204847 |
Implant anchor systems
The present invention provides implant devices configured to become anchored within tissue so that they do not migrate despite experiencing aggressive migration forces applied by the highly dynamic...
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7185677 |
Helical formation for a conduit
A helical formation ( 2 ) for a conduit ( 1 ). The helical formation ( 2 ) comprises an elongate member defining at least a portion of a helix, the elongate member comprising two inwardly extending...
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7169175 |
Self-expanding stent
The stent of this invention is a self-expanding stent created by a scaffolding lattice. The stent may be made from a nickel-titanium alloy. The lattice is formed from two different types of helices...
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7163554 |
Endoprostheses and methods of manufacture
A woven tubular endoprosthesis comprising means for locking the endoprosthesis in a deployed configuration is disclosed. The means for locking the endoprosthesis may comprise locking protrusions,...
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7128755 |
Expandable biodegradable polymeric stents for combined mechanical support and pharmacological or radiation therapy
An expandable biodegradable polymeric stent is fabricated with biodegradable polymer fibers (Poly-L-lactic acid, PLLA) in a coil shape that is constructed with both central and external or internal...
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7108714 |
Expandable intraluminal endoprosthesis
An expandable intraluminal endoprosthesis including a tubular member ( 1 ) a first diameter which permits intraluminal delivery of the member into a lumen of a body passageway, particularly a blood...
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6981987 |
Removable stent for body lumens
A removable stent for implantation into a lumen in a human body. The stent is made from a soft, flexible fiber having an outer surface. An outer bioabsorbable/degradable coating is applied to the...
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6974473 |
Function-enhanced thrombolytic AV fistula and method
A coiled stent graft, including a thrombolytic agent, is positionable within an AV fistula and optionally into one or both of the artery and the vein (6) to help reduce or eliminate blockages...
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6962604 |
Flexible endoluminal stent and process of repairing a body lumen
A generally tubular intraluminal compound stent comprising a plurality of component stents, each component stent having a length and a plurality of individual hoops axially disposed along the...
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6929709 |
Helically formed stent/graft assembly
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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6923828 |
Intravascular stent
A medical device for use in the interior of a body lumen includes a balloon catheter and a radially expandable stent. The stent includes a plurality of zig-zags of a low memory metal formed into a...
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6921414 |
Endoluminal prosthesis and tissue separation condition treatment method
An endoluminal prosthesis includes a coiled body and a graft material covering at least part of the coiled body to create a coiled stent graft. The average stent graft diameter to turns width ratio...
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6878162 |
Helical stent having improved flexibility and expandability
A stent includes a central portion of helically wound undulations formed of struts, cylindrical end portions, and transition zones between the helical portion and the cylindrical portions....
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6869443 |
Biodegradable drug delivery vascular stent
A stent includes a main body of a generally tubular shape for insertion into a lumen of a vessel of a living being. The tubular main body includes a substantially biodegradable matrix having...
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6821292 |
Crimpable intraluminal endoprosthesis having helical elements
A stent having helical elements, a geometry for improved crimping, and a good stent-to-vessel ratio is disclosed. In one embodiment, the stent has a plurality of first helical segments and a...
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6814750 |
Implantable, self-expanding prosthetic device
A prosthetic device for sustaining a vessel or hollow organ lumen (a stent) having a tubular wire frame ( 1 ) with rows of elongate cells ( 2 ) each having a larger axis and a smaller axis. The...
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6790226 |
Endoluminal prosthesis with support wire
An endoluminal prosthesis for implantation within a body lumen to maintain luminal patency, including a support structure and a polymer component, which may be in the form of a wire member joined...
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6740111 |
Device for retaining a prosthesis within a body passage
A prosthesis that resiliently engages a body passage includes an annular clamping ring which may be folded along a diametric axis for insertion into the body passage. The clamping ring is adapted...
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6736844 |
Helical stent and method for making same
A stent having a first filamentary element ( 20 ) with a proximal end portion and a distal end portion, and being spirally coiled in at least its central portion, and a second filamentary element (...
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6730117 |
Intraluminal stent
This invention is an intraluminal stent ( 10 ) made of a zigzag or sinusoidal member defining a successive series of struts ( 14 ) connected by apex sections ( 15 ), and formed into a series of...
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6699279 |
Expandable space frame
An expandable space frame is manufactured by linking a plurality of flexible joints through spacing arms to form a closed structure. The spacing arms are sterically offset, linking the bottom of...
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6692521 |
Stent
A stent and a method of making it from a wire, which method includes winding the wire on a mandrel, heating to form a coiled spring, and reversing the winding direction of the coiled spring to form...
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