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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...
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...
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...
7534257 Stent with variable features to optimize support and method of making such stent  
An intravascular stent especially suited for implanting in curved arterial portions or ostial regions. The stent can include an end region which is fabricated to have a greater radial strength than...
7524329 Self contracting stent  
A self-contracting stent for use at a treatment site comprising shape memory material is provided. The stent may have an initial diameter for delivery to the treatment site and an expanded diameter...
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...
7455737 Selective treatment of linear elastic materials to produce localized areas of superelasticity  
Methods of selectively treating linear elastic materials to produce localized areas of superelasticity and/or shape-memory are disclosed. In an illustrative method, a linear elastic workpiece may...
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...
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...
7258753 Superelastic guiding member  
An improved guiding member for use within a body lumen having a unique combination of superelastic characteristics. The superelastic alloy material has a composition consisting of about 30% to...
7232461 Neck covering device for an aneurysm  
An aneurysm neck covering device which is particularly useful for sealing the neck of an aneurysm located in the vicinity of a bifurcated blood vessel. The neck covering device includes a...
7175655 Avoiding stress-induced martensitic transformation in nickel titanium alloys used in medical devices  
A process for assembling a medical device made from a nickel-titanium alloy for use in a mammalian body while avoiding the formation of stress-induced martensite and a medical device used in...
7163555 Drug-eluting stent for controlled drug delivery  
The present invention provides a stent for delivering drugs to a vessel in a body, including a stent framework with a plurality of reservoirs formed therein, a drug polymer positioned in the...
7147658 Medical device delivery system  
A medical device comprises a catheter having a catheter shaft and a balloon located at the distal end of the catheter shaft, and a bifurcated stent. The bifurcated stent comprises a trunk and at...
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...
7101392 Tubular medical endoprostheses  
A tubular prosthesis device for use within the body. The device includes, a metal filament material formed of metal outer member having an exposed outer surface and a core within the extended outer...
7090695 Method for treatment of mitral insufficiency  
A method for treatment of mitral annulus dilatation comprises reducing the circumference of the mitral valve annulus. The method further comprises inserting an elongate body into the coronary sinus...
7087078 Tubular vascular implants (stents) and methods for producing the same  
New tubular vascular implants (stents) that consist of biocompatible, thermoplastic material that have a shape memory and that contain at least one active ingredient are described. In addition, a...
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...
7066952 Method for manufacturing yarn for vessel stent  
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...
7033386 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...
6997947 Multi-property nitinol by heat treatment  
Medical devices may be made of shape-memory materials portions of which have been heat treated to exhibit spatial variations in the stiffness of the material. Devices including stents, vena cava...
6974472 Flexible self-expandable stent using shape memory alloy and method and apparatus for fabricating the same  
Disclosed herein is a flexible self-expandable stent using shape memory alloy for expanding stenosal portions and method and apparatus for fabricating the same. The self-expandable stent using...
6923829 Implantable expandable medical devices having regions of differential mechanical properties and methods of making same  
An implantable expandable medical device in which selected regions of the device are in a martensite phase and selected regions are in an austenite phase. The martensitic regions exhibit...
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,...
6830638 Medical devices configured from deep drawn nickel-titanium alloys and nickel-titanium clad alloys and method of making the same  
Nickel-titanium alloys that have been deep drawn in a cold working process have linear pseudoelastic behavior without a phase transformation or onset of stress-induced martensite. A medical device...
6827734 High strength member for intracorporeal use  
This invention is directed to an intracorporeal device formed of a high strength Co—Ni—Cr alloy and is particularly suitable for forming a composite product with a pseudoelastic member formed...
6764506 Non-foreshortening intraluminal prosthesis  
An intraluminal prosthesis is provided with a plurality of annular elements. Each annular element includes a plurality of struts and apices connected to form an annular configuration. Each annular...
6669721 Endovascular thin film devices and methods for treating and preventing stroke  
Devices for excluding aneurysms and treating atherosclerotic disease, for intra-aneurysmal occlusion, and devices for preventing distal emboli. The devices are generally pliable and collapsible...
6652576 Variable stiffness stent  
A stent having a structure differentiated in terms of its stiffness. Such differentiation is achieved with the use of a superelastic material that transitions between a relatively soft and...
6632223 Pulmonary vein ablation stent and method  
A system for treating atrial fibrillation includes a stent and a delivery catheter for carrying the stent to a treatment site. The stent is self-expanding, for example, being formed of a shape...
6626937 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,...
6612012 Method of manufacturing small profile medical devices  
A method of manufacturing medical devices of a size sufficiently small to be passed through the vasculature of the body, and more particularly through the small vessels of the brain. The method...
6585759 Method and apparatus for manufacturing medical support devices  
Method for producing a medical support device from an object, using an electromagnetic field generator, whereby the method comprises of the steps of placing a formation mandrel against the object,...
6582461 Tissue supporting devices  
A new multiple component stent arrangement which allows for initial self-expansion and subsequent deformation to a final enlarged size. These tissue supporting devices are generally cylindrical or...
6572646 Curved nitinol stent for extremely tortuous anatomy  
A stent for use in a curved body lumen is disclosed. The stent is made from a superelastic alloy such as nickel titanium or nitinol, and optionally includes a ternary element. The superelastic...
6562898 Resin composition and manufacturing method therefor  
The present invention relates to resin composition with superior antioxidant properties, mechanical strength and insulating properties. A mixture of a thermoplastic resin in pellet or granular form...
6533807 Radially-expandable stent and delivery system  
The present invention provides radially-expandable stents that, in various embodiments, may reduce the bending stresses/strains associated with the compressed state of self-expanding stents and/or...
6500204 Stent for vessels  
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, which is formed of a biodegradable polymer, exhibiting a...
6497671 Coated superelastic stent  
The coated superelastic stent is formed from a tube of collagen having an inner structure of a micro-cable made of strands of a material exhibiting super-elasticity or shape memory properties, such...
6488705 Radially self-expanding implantable intraluminal device  
A radially self-expanding implantable intraluminal device formed from a hollow tubular braid. The intraluminal device may be used in a variety of medical procedures which require a passageway to be...
6475237 Intravascular hinge stent  
The hinge stent is a balloon-expandable or self-expandable intravascular endoprosthesis used for treatment of vascular injury. The hinge stent is formed of a single stent section or of multiple...
6402859 β-titanium alloy wire, method for its production and medical instruments made by said β-titanium alloy wire  
The diamter of β-titanium alloy wire is reduced by cold wire-drawing and the β-titanium alloy wire is subjected to heat treatment. The heat treatment comprises the first aging process for...
6368356 Medical devices comprising hydrogel polymers having improved mechanical properties  
The invention provides a means of boosting the mechanical performance of shaped shaped medical devices comprising polymer hydrogels, such as stents, so that they may be more easily inserted into or...
6348065 Longitudinally flexible expandable stent  
The invention provides a tubular expandable stent including a plurality of cylindrically shaped open cylindrical segments aligned on a common longitudinal axis to define a generally tubular stent...
6240978 Stent and method for manufacturing such a stent  
A prosthetic stent with a tubular wall having local inwardly or outwardly formed elevations. Stents having such elevations have a higher mechanical stability if bend according to the curvature of...
6214040 Sandwich stent with spiraling bands on an outer surface  
A stent is made generally tubular and is initially formed in a collapsed configuration. A fabric cover is provided for the inner stent and is attached outside the stent at one or more desired...
6179878 Composite self expanding stent device having a restraining element  
A composite stent device comprises a shape memory alloy stent sleeve which is treated so that it can exert an outward force on a lumen in which the stent device is to be deployed, and a restraint...
6143022 Stent-graft assembly with dual configuration graft component and method of manufacture  
A stent-graft assembly and method of preparing the same are disclosed. In a first embodiment, the assembly comprises a stent and a graft, wherein the graft has a delivery configuration and a...
6120536 Medical devices with long term non-thrombogenic coatings  
A coating and method for implantable open lattice metallic stent prostheses are disclosed. The coating includes a relatively thin layer of biostable elastomeric material containing an amount of...
Matches 1 - 50 out of 72 1 2 >