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Class 623/1.18 - Having shape memory


Subclass of Class 623 - Prosthesis (i.e., artificial body members), parts thereof, or aids and accessories therefor
Definition: Subject matter wherein the artificial blood vessel support
No. of patents: 138
Last issue date: 04/24/2012


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NumberTitleIssue Date
8163004Stent graft for reinforcement of vascular abnormalities and associated method
A stent graft for reinforcement of a vascular abnormalities and an associated method are provided. According to one embodiment, the stent graft includes a flexible tubular structure comprising a proximal end and a distal end and having an expanded heat set configura...
04/24/2012
8157859Stent made of nitinol having improved axial bending stiffness and associated production method
A stent made of nitinol having improved axial or radial stiffness, the stent having a support structure which comprises peripheral struts around the circumference, wherein the peripheral struts are linked to one another in the axial direction via connection struts. ...
04/17/2012
8043361Implantable medical devices, and methods of delivering the same
A tubular endoprosthesis including a polymeric material is disclosed. The endoprosthesis has a collapsed position that can be reverted to a first expanded position larger than the collapsed position by heating to a first temperature subsequent to insertion of the en...
10/25/2011
8012197Hybrid ballon expandable/self-expanding stent
A stent comprises a tubular member having openings therein and having a plurality of interconnected members and one or more frangible restraining members. The frangible restraining members break upon partial expansion of the stent. Thereafter, the stent self-expands...
09/06/2011
7988722Method for producing strain induced austenite
This invention relates to medical devices comprising shape memory alloys which have been subjected to a thermal and mechanical treatment to increase the austenite start temperature As to As′ such that the shape memory alloy is martensitic at ...
08/02/2011
7914569Heart valve prosthesis and methods of manufacture and use
A heart valve prosthesis is provided having a self-expanding multi-level frame that supports a valve body comprising a skirt and plurality of coapting leaflets. The frame transitions between a contracted delivery configuration that enables percutaneous transluminal ...
03/29/2011
7875070Avoiding 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 combination with a delivery system for deployment into the mammalian body a...
01/25/2011
7833262Vascular device with valve for approximating vessel wall
A vascular device comprising a plurality of vessel engaging members and a valve. The device is movable from a collapsed insertion position having a first diameter to a second expanded position having a second diameter larger than the first diameter. The plurality of...
11/16/2010
7497873Intravascular 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 and straightened to allow delivery through a minimally invasive deli...
03/03/2009
7354454Satiation devices and methods
A device for inducing weight loss in a patient includes a tubular prosthesis self-expandable from a collapsed position in which the prosthesis has a first diameter to an expanded position in which the prosthesis has a second, larger, diameter. In a method for induci...
04/08/2008
7351421Drug-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
7335426High 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
7331988Stent 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
7314477Removable embolus blood clot filter and filter delivery unit
A blood clot filter which is collapsible toward a central longitudinal axis into a collapsed configuration for insertion into a blood vessel and which is radially expandable outwardly from the longitudinal axis to an expanded configuration for contact with the inner...
01/01/2008
7303575Embolism protection devices
Embolism protection devices can be formed with a biocompatible expandable polymer that can expand upon release within a patient's vessel. Upon release, the structure can be configured to filter flow through the vessel. The material of the embolism protection devices...
12/04/2007
7294214Medical devices
Alloy compositions suitable for fabricating medical devices, such as stents, are disclosed. In certain embodiments, the compositions have small amounts of nickel, e.g., the compositions can be substantially free of nickel. ...
11/13/2007
7278195Method for producing a coated medical support device
Method for producing a coated medical support device capable of insertion into the body, the method including the procedures of applying a coating to a section of a work-piece, positioning the work-piece in the vicinity of an electromagnetic field generator, and sub...
10/09/2007
7276084Rolled minimally invasive heart valves
Expandable heart valves for minimally invasive valve replacement surgeries are disclosed. The valves are rolled into a first, contracted configuration for minimally invasive delivery and then unrolled or unfurled at the implantation site. One- and two-piece stents m...
10/02/2007
7270674Embolic coil retrieval system
An embolic coil retrieval system for retrieving or repositioning an embolic coil within the vasculature of the human body which is comprised of a very small embolic coil retriever having a jaw member with major and minor teeth which form pockets for grasping an embo...
09/18/2007
7264628Embolic coil retrieval system
An embolic coil retrieval system for retrieving or repositioning an embolic coil within the vasculature of the human body which is comprised of a very small embolic coil retriever having a jaw member with major and minor teeth which form pockets for grasping an embo...
09/04/2007
7264619Catheter 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
7258753Superelastic 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 about 52% (atomic) titanium, and about 38% to 52% nickel and may have one...
08/21/2007
7250058Radiopaque intraluminal stent
The present invention includes a radiopaque stent comprising a cylindrical main body. The tubular main body comprises a cobalt chromium alloy that comprises cobalt, chromium and one or more radiopaque materials. ...
07/31/2007
7244319Superelastic 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 about 52% (atomic) titanium, and about 38% to 52% nickel and may have one...
07/17/2007
7235093Mechanism to improve stent securement
The present invention comprises a securement member to improve securement of a stent upon an expandable balloon and delivery catheter, and to constrain portions of the stent before and during stent deployment. Generally, the securement member comprises a securement ...
06/26/2007
7232461Neck 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 self-expanding stent for supporting and retaining a self-expanding neck cover ...
06/19/2007
7229473Local 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
7226473Treatment of stenotic regions
An improved method and devices for preventing restenosis are provided. The method may include delivering a stent configured to contain a stenosis to a body vessel. The method may also include using atherectomy at the site prior to stent delivery. In one embodiment, ...
06/05/2007
7223286Local 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
7217286Local 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
7211095Medical grafting connectors and fasteners
A body tissue graft for use in a patient includes a frame structure made of a first elastic material, a covering of a second elastic material on the frame structure, the covering substantially filling openings in the frame structure, and a connector connected to the...
05/01/2007
7211109Braided 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 elastically deformed to reduce its diameter through axial elongation. The m...
05/01/2007
7179288Expandable medical device for delivery of beneficial agent
An expandable medical device having a plurality of elongated struts, the plurality of elongated struts being joined together to form a substantially cylindrical device which is expandable from a cylinder having a first diameter to a cylinder having a second diameter...
02/20/2007
7179274Intravascular filter
An intravascular filter includes at least one elongated support member configured to assume a retention configuration, such as a generally helical form about a central axis, and at least one flexible elongated filter member supported by the support member. The filte...
02/20/2007
7175655Avoiding 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 combination with a delivery system for deployment into the mammalian body a...
02/13/2007
7172623Cannula stent
A stent (30) formed from cannula and having flexible segments (31) and high hoop strength segments (32) alternating therealong. Longitudinal struts or tie bars (41) interconnect the segments. Minimal length reduction of the strut occurs u...
02/06/2007
7163555Drug-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 reservoirs, and a polymer layer positioned on the drug polymer. The present...
01/16/2007
7146984Method and apparatus for modifying the exit orifice of a satiation pouch
A prosthetic device is described that is positionable within the gastro-esophageal junction region of a patient. The prosthetic device includes a proximal opening and a distal orifice that is adjustable in size prior to and/or following implantation. During use, the...
12/12/2006
7147658Medical 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 least two joined cylindrical parts extending from the trunk. A first pa...
12/12/2006
7135038Drug 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. ...
11/14/2006
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