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Class 623/1.22 - Helically wound


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: 249
Last issue date: 03/06/2012


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NumberTitleIssue Date
8128679Flexible stent with torque-absorbing connectors
Disclosed is a stent with a highly flexible structure that is configured to provide an elevated degree of vessel scaffolding and to absorb torque applied on the stent. The stent may include an essentially tubular body formed by a web structure that is composed of a ...
03/06/2012
8109992Stent
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 3) of the helical turns featuring opposite sen...
02/07/2012
8052739Stent
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 3) of the helical turns featuring opposite sen...
11/08/2011
8038707Helical 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. According to a first aspect of the invention, the torsional flexibility of th...
10/18/2011
8021415Insert 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. ...
09/20/2011
7988723Flexible stent
The stent of the present invention combines a helical strut band interconnected by coil elements. This structure provides a combination of attributes that are desirable in a stent, such as, for example, substantial flexibility, stability in supporting a vessel lumen...
08/02/2011
7947071Expandable slide and lock stent
An expandable slide and lock stent is provided that comprises a plurality of radial elements interconnected to form a tubular member. Each radial element can comprise a helical backbone and at least one elongate member extending from the helical backbone in a circum...
05/24/2011
7914570Non-shortening helical stent
A stent may comprise a helically wound ribbon of material. The stent may comprise a plurality of ribbon turns about a longitudinal axis of the stent. Upon expansion of the stent, the diameter of the stent may increase and the number of ribbon turns may decrease. Upo...
03/29/2011
7862608Vascular prosthesis and methods of use
The present invention is directed to an implantable vascular prosthesis configured for use in a wide range of applications, such as treating aneurysms, maintaining patency in a vessel, and allowing for the controlled delivery of therapeutic agents to a vessel wall. ...
01/04/2011
7846198Vascular prosthesis and methods of use
The present invention is directed to an implantable vascular prosthesis configured for use in a wide range of applications, such as treating aneurysms, maintaining patency in a vessel, and allowing for the controlled delivery of therapeutic agents to a vessel wall. ...
12/07/2010
7780721Stent and method for manufacturing the stent
A stent includes a stent body having a circumference and struts disposed helically about the circumference. Each of the struts has a strut length and a ratio of a number of the struts around the circumference to the strut length is greater than 800 per inch, in part...
08/24/2010
7766960Delivery catheter that controls foreshortening of ribbon-type prostheses and methods of making and use
The present invention is directed to a delivery catheter for use in deploying a vascular prosthesis having a self-expanding helical section for use in a wide range of interventional applications. The delivery catheter comprises an elongated member having a helical l...
08/03/2010
7763068Stent
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 3) of the helical turns featuring opposite sen...
07/27/2010
7763067Stent and method for manufacturing the stent
A stent includes a stent body having a circumference, a diameter of between approximately 4 mm and approximately 12 mm, in particular, 8 mm, and a length of between approximately 10 mm and approximately 250 mm, in particular, 150 mm, and struts disposed helically ab...
07/27/2010
7758631Bioabsorbable endoprosthesis having elongate axial reservoir 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 and shortening the diffusion distance for water absorption and thereby...
07/20/2010
7736386Stent
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 3) of the helical turns featuring opposite sen...
06/15/2010
7722663Anatomically correct endoluminal prostheses
An anatomically correct endoluminal prosthesis is provided for placement in a lumen or vessel of a body. In a preferred embodiment, the prosthesis is a stent having at least one segment of curvature located along the body of the stent. The stent may have segments of...
05/25/2010
7682384Stent with 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 second set of helical segments. The helical segments in the first set a...
03/23/2010
7637939Hybrid 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 second end, and a second generally helical section having a first end ...
12/29/2009
7594928Bioabsorbable 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 molecules within the bioabsorbable polymeric material are provided with ...
09/29/2009
7556644Flexible 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 is interposed axially between two strut portions and has a plurality ...
07/07/2009
7520893Method 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 shape-retaining metal having a transition temperature at which the st...
04/21/2009
7458986Self-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 lie in one plane. The helical filaments (12, 1...
12/02/2008
7419502Stent
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 3) of the helical turns featuring opposite sen...
09/02/2008
7419503Stent
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 3) of the helical turns featuring opposite sen...
09/02/2008
7412993Expandable 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 secondary loops on the primary loop. ...
08/19/2008
7410498Polymeric 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 least in part biodegradable and includes a combination where hollow cyli...
08/12/2008
7387641Self-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 lie in one plane. The helical filaments (12, 1...
06/17/2008
7381217Serpentine 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 distal direction and a second set of peaks and troughs define an envelope...
06/03/2008
7357813Flexible stent
A preferred embodiment of a stent provides a folded strut section that provides both structural rigidity and reduction in foreshortening of the stent mechanism. A flexible section provides flexibility for delivery of the stent mechanism. In a second embodiment, flex...
04/15/2008
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
7338517Tissue scaffold having aligned fibrils and artificial tissue comprising the same
A tubular tissue scaffold is described which comprises a tube having a wall, wherein the wall includes biopolymer fibrils that are aligned in a helical pattern around the longitudinal axis of the tube where the pitch of the helical pattern changes with the radial po...
03/04/2008
7335226Yarn 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 function. The main body portion of the stent is shape-memorized to a s...
02/26/2008
7331991Implantable 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. ...
02/19/2008
7331989Insert 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. ...
02/19/2008
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
7331990Stents 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 the body vessels to be supported or repaired. Also a method for manufa...
02/19/2008
7329277Stent 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 second set of helical segments. The helical segments in the first set a...
02/12/2008
7326241Intravascular stent
A stent in a non-expanded state has a first and second expansion column, each consisting of a plurality of expansion strut pairs. An expansion strut pair includes a first expansion strut, a second expansion strut and a joining strut that couples the first and second...
02/05/2008
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