Entries |
Document | Title | Date |
20080215135 | Device Allowing the Treatment of Bodily Conduits at an Area of a Bifurcation - The device includes a stent and a separating device, the stent having a number of areas of separation and the separating device being able to be introduced through the wall of the stent at an area of separation. According to embodiments of the invention, each area of separation has a number of separable junctions; the activation of the separating device separates at least one of the separable junctions of the area of separation so as to separate the stent into two stent sections at the area of the bifurcation and to allow the stent sections to further expand to respectively conform to a shape of the main conduit and to a shape of the secondary conduit at the area of the bifurcation. | 09-04-2008 |
20080243232 | BIFURCATION STENT AND BALLOON ASSEMBLIES - A bifurcated stent that is positionable adjacent to a branched body vessel. The stent includes a tapered middle portion with a side branch assembly for positioning within the deviating branch of a body vessel. The portion of the stent positioned within the first body vessel and the portion positioned within the main branch vessel have largely different sized diameters. The middle region tapers steeply to bridge this diameter differential. The tapered middle region also angles the side branch assembly which can easily be extended at an angle to the main body of the stent. | 10-02-2008 |
20080243233 | Device and Methods for Treatment of Vascular Bifurcations - A method for treatment of a vascular bifurcation, where a second blood vessel ( | 10-02-2008 |
20080249613 | Bifurcated Stent Assembly - A bifurcated stent assembly using a flexible membrane, preferably a tubular membrane, as a stent connector to bendably hold and functionally associate two or more component stents is disclosed. The flexible stent connector allows the relative orientation of the two stents to be varied with no deformation of the component stents. In preferred embodiments, the stent connector is configured to provide support in the vicinity of the bifurcation point of a vessel in which deployed. | 10-09-2008 |
20080275542 | IMPLANTABLE DEVICES FOR THE TREATMENT OF INTERSECTING LUMENS - The present invention provides devices and methods for fabricating and deploying an implantable device within the body. The invention is particularly suitable for delivering and deploying a stent, graft or stent graft device within a vessel or tubular structure within the body, particularly where the implant site involves two or more interconnecting vessels. The delivery and deployment system utilizes a plurality of strings which are releasably attached to the luminal ends of the implantable device. | 11-06-2008 |
20080294245 | Vascular prostheses - A vascular prosthesis is disclosed, comprising a forked tube, having: an inflow tube with an inflow end; a primary distal outflow branch with a primary distal outflow end; and a secondary proximal outflow branch with a secondary proximal outflow end. The two outflow ends are directed in different directions and the two outflow branches in the vicinity of the bifurcation have different cross-sectional areas. Further, the secondary proximal outflow branch is more curved than the primary distal outflow branch, and the secondary proximal outflow branch in the vicinity of the bifurcation has a smaller cross-sectional area than the primary distal outflow branch. Hereby, energy losses at flow bifurcations is adapted to the bypass situation to even out the level of shear stress, thereby avoiding areas with low shear stress and decreasing the tendency for turbulent flow, thus reducing the risk of graftstenosis. | 11-27-2008 |
20090012601 | STENT AND CATHETER ASSEMBLY AND METHOD FOR TREATING BIFURCATIONS - An improved stent system for treating a bifurcation. Up to three stents are mounted on two parallel balloon catheters wherein a proximal stent is disposed about both balloons while two distal stents are each disposed about one of the balloons. Such configuration enhances the flexibility of the assembly to facilitate its advancement through tortuous vasculature, while the structural independence of the stents maximizes the systems ability to spread into a wide range of bifurcation angles. A single link between each distal stent and the proximal stent may be relied upon to maintain relative stent position during deployment. | 01-08-2009 |
20090012602 | System and method for endoluminal grafting of bifurcated and branched vessels - A system and method for endoluminal grafting of a main anatomic conduit in its diseased state in which it dilates to pose a life threatening condition and its various conduits that emanate from the main anatomic conduit. The grafting system comprises an endoaortic graft having at least one opening therein and at least one branch graft that is passable through the opening of the endoaortic graft into the branch anatomic conduit(s) such that the junction between the branch graft and the endoaortic graft is substantially fluid tight. A system and method for delivery of the endoaortic graft and also a system and method for efficient alignment and deployment of the branch (e.g., side branch) graft such that the coupling of the branch graft with the endoaortic graft is efficient and exact and fluid-tight; and a system and method for coupling the branch to the endoaortic graft via a coupling mechanism employing a memory metal alloy; a system and method for the proper and exact alignment of the endoaortic graft and the branch using magnetic force of a suitable nature, and which does not use the magnetic force as the coupling mechanism. | 01-08-2009 |
20090024208 | Stent - An elongate device ( | 01-22-2009 |
20090043376 | Endoluminal Prosthetic Conduit Systems and Method of Coupling - A modular prosthetic conduit system such as a stent or stent graft system tailored for the repair of aneurysms or other compromised vessel walls. The stent or stent graft system incorporates various means to interlock the multiple modular components used in the repair procedure. The present invention further provides a modular stent graft system tailored for the repair of aneurysms or other compromised vessel walls that cross or are adjacent to a branch or bifurcation in a vessel. | 02-12-2009 |
20090043377 | Branched Vessel Endoluminal Device - An endoluminal prosthesis comprises a prosthetic trunk having a trunk lumen and a trunk wall, a first prosthetic branch having a first branch lumen and a branch wall, and a second prosthetic branch having a second branch lumen. The first branch lumen and the second branch lumen are both in fluid communication with the trunk lumen through the trunk wall and the second branch lumen is in fluid communication with the first branch lumen through the branch wall. Additional devices, systems, and methods are disclosed. | 02-12-2009 |
20090048663 | BRANCHED STENT GRAFT SYSTEM - An endovascular prosthetic system comprising an prosthetic device with a major lumen extending therethrough, a major wall, at least one opening in the major wall; at least one branch extending into the major lumen of the prosthetic device having a minor lumen, a minor wall, and a fenestration in the minor wall in communication with the major lumen; and at least one guide wire extending through the fenestration and out of the prosthesis through the opening. | 02-19-2009 |
20090093874 | Medical Devices and EFAB Methods and Apparatus for Producing Them - Various embodiments of the invention present miniature medical devices that may be formed totally or in part using electrochemical fabrication techniques. Sample medical devices include micro-tweezers or forceps, internally expandable stents, bifurcated or side branch stents, drug eluting stents, micro-valves and pumps, rotary ablation devices, electrical ablation devices (e.g. RF devices), micro-staplers, ultrasound catheters, and fluid filters. In some embodiments devices may be made out of a metal material while in other embodiments they may be made from a material (e.g. a polymer) that is molded from an electrochemically fabricated mold. Structural materials may include gold, platinum, silver, stainless steel, titanium or pyrolytic carbon-coated materials such as nickel, copper, and the like. | 04-09-2009 |
20090099646 | BIOFILM FORMATION INHIBITOR AND TREATMENT DEVICE THEREOF - A treatment device such as a biliary stent, capable of effectively and continuously inhibiting biofilm formation, and a biofilm formation inhibitor suitable for coating on the treatment device by killing all bacteria including | 04-16-2009 |
20090099647 | Multi-component vascular device - A vascular occlusion, flow restriction, shunt or filter device is disclosed comprising the assembly of at least two, of a number of selectable discrete interconnectable, interchangeable components, at least one component being of the type fabricated from metal strands braided into a tubular metal fabric having an expanded preset configuration and an elongated, collapsed reduced diameter configuration for delivery through a catheter to a treatment site and the device shaped to create an occlusion, flow restriction or shunt when placed in an opening in a body organ or vessel, the woven metal fabric having a memory property whereby the medical device tends to return to said expanded preset configuration when unconstrained. | 04-16-2009 |
20090099648 | Modular stent graft and delivery system - A modular aortic stent graft and a modular branched stent graft, expandable between a compressed condition and an expanded condition, for assembling with each other at the treatment area of an aneurysm. The aortic stent graft includes at least one axial opening for receiving a branched segment of the branched stent graft. The branched stent graft includes a branched segment extending from an aortic segment thereof. The aortic segment of the branched stent graft is disposed inside the aortic stent graft, while the branched segment is disposed through the opening of the aortic stent graft in the expanded condition. A set of aortic stent grafts and branched stent grafts are provided in various dimensions to cater the needs for different patients. | 04-16-2009 |
20090125100 | Intraluminal Bypass Prosthesis and Prosthesis Delivery and Deployment Kit - An intraluminal bypass prosthesis is described and includes a first prosthetic module, a second prosthetic module, and a third prosthetic module. The first and second prosthetic modules each have first and second ends, and a fenestration disposed between the first and second ends. The third prosthetic module has a first end that is sealingly engageable within the first module fenestration and a second end that is sealingly engageable within the second module fenestration. The third prosthetic module has a lumen for providing fluid communication between the first and second prosthetic modules. Additional devices, systems, kits, and methods are described. | 05-14-2009 |
20090132027 | BIFURCATED STENTING APPRATUS AND METHOD - A bifurcated stent | 05-21-2009 |
20090132028 | Extendible Stent Apparatus and Method for Deploying the Same - An imagable extendable stent apparatus for insertion into a bifurcating vessel or a vessel opening. The stent apparatus comprises a main stent and a flared stent, which may used individually or in combination with each other. The flared stent may be interlocked with the main stent to provide stent coverage over the entire region of a bifurcation. The main stent of the apparatus may be deployed at the bifurcation point of a vessel, allowing unimpeded future access to the side branch of the bifurcated vessel. The flared stent may be employed at vessel openings. Also disclosed and claimed are methods for implanting the extendable stent apparatus into the bifurcation point or the ostium of a subject vessel. | 05-21-2009 |
20090138073 | Bifurcation Stent Assembly - A stent assembly comprises a stent and a side branch flap. The stent has a substantially tubular body which defines a primary lumen and is comprised of a plurality of interconnected stent members. Adjacent stent members define a plurality of stent openings that extend through the body and which are in fluid communication with the primary lumen. At least one stent opening is a side branch opening. The side branch flap is a non-tubular body having a planar structure. A first region of the planar structure is overlappingly positioned across a portion of the side branch opening prior to deployment. A second region of the planar structure is engaged to a portion of the body of the stent immediately adjacent to the perimeter of the side branch opening. When the assembly is deployed the first region of the flap is displaced radially outward from the side branch opening. | 05-28-2009 |
20090171450 | Woven Textile Vascular Prosthesis - A woven textile vascular prosthesis including a tubular trunk and at least one fork, each fork having an apex located between outgoing tubular branches with a small diameter, wherein at least a portion of a wall of the prosthesis in a zone of the apex is woven more densely than in other zones having an original weave construction. | 07-02-2009 |
20090216315 | METHOD OF PLACEMENT OF A GRAFT OR GRAFT SYSTEM - An endoluminal prosthesis system deployable in a region of a patient's vasculature having one or more branch vessels, having a first main graft body having at least a first and second opening therein and a second main graft body having at least a first and a second opening therein. The first openings can be smaller than the second openings. The second main graft body can be expandable substantially within the first main graft body such that the second openings of each graft body do not substantially cover the first openings of the other graft body. The resulting graft system can have two openings therein, each being defined by the first openings in each of the first and second main graft bodies. One or more branch grafts can be attached to cover the openings in the main graft bodies, and the main graft bodies can have one or more cutouts therein. | 08-27-2009 |
20090240321 | Extendible Stent Apparatus - The present invention concerns novel stent apparatuses for use in treating lesions at or near the bifurcation point in bifurcated cardiac, coronary, renal, peripheral vascular, gastrointestinal, pulmonary, urinary and neurovascular vessels and brain vessels. More particularly, the invention concerns a stent apparatus with at least one side opening which may further comprise an extendable stent portion laterally extending from the side opening and at least partly in registry with the wall of the side opening. Devices constructed in accordance with the invention include, singularly or in combination, a main expandable stent comprising at least one substantially circular side opening located between its proximal and distal end openings, which side opening may further comprise an expandable portion extending radially outward from the edges of the side opening; and a branch stent comprising proximal and distal end openings and which may further comprise a contacting portion at its proximal end, and which may optionally be constructed to form either a perpendicular branch or a non-perpendicular branch when inserted through a side opening of the main stent. The stents of the invention are marked with, or at least partially constructed of, a material which is imageable during intraluminal catheterization techniques, most preferably but not limited to ultrasound and x-ray. | 09-24-2009 |
20090240322 | 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 serpentine band may have an approximate longitudinal axis. A portion of the serpentine bands may be flared in the unexpanded state, wherein a portion of the axis of each flared band is oriented helically about a portion of the stent. The bands may reorient during stent expansion, whereafter the axis of each band is oriented in a circumferential direction. | 09-24-2009 |
20090248144 | ENDOLUMINAL DEVICE WITH EXTRACELLULAR MATRIX MATERIAL AND METHODS - An endoluminal device comprises a stent and a tubular graft supported by the stent. The graft has a proximal and a distal opening and comprises a synthetic material and a bioremodelable material. The bioremodelable material is disposed on an exterior surface in at least one band adjacent at least one of the proximal and distal openings. | 10-01-2009 |
20090259298 | BIFURCATED GRAFT DEPLOYMENT SYSTEMS AND METHODS - A deployment catheter for deploying an endoluminal vascular prosthesis that has at least a main graft portion and a first branch graft portion. The deployment catheter preferably comprises an elongate, flexible catheter body having a proximal end and a distal end, and an outer sheath and an inner core that is axially moveable with respect to the outer sheath. The catheter preferably comprises a main graft restraint that has a main graft release mechanism comprising a main graft sheath and a suture threaded through a plurality of the openings in the main graft sheath. The catheter further comprises at least one branch graft restraint comprising at least one branch graft release mechanism. | 10-15-2009 |
20090259299 | Side Branch Stent Having a Proximal Flexible Material Section - A stent system for placement in a bifurcated vessel includes a side branch stent. The side branch stent includes an expandable metallic distal section and a proximal section. The distal end of the proximal section is coupled to the distal section. The proximal section is made from a flexible material in the form of a sheet and is not supported by a frame proximally of the distal end. The proximal section includes a curled or tabbed proximal end adapted to engage walls of the main vessel at a junction of the main vessel and the side branch vessel. A second stent is configured for placement in the main vessel and the main vessel branch. Expansion of the second stent pushes the curled or tabbed proximal end of the first stent against the walls of the main vessel at the junction. | 10-15-2009 |
20090264991 | BRANCHED VESSEL PROSTHESIS - The present disclosure describes an implantable branched vessel prosthesis, such as a prosthetic valve, having both a radially expandable annular portion and a laterally extendable branch portion. Methods of delivering the branched vessel prosthesis to a branched body vessel are also provided, as well as delivery systems comprising the branched vessel prosthesis. The branched vessel prostheses are useful, for example, as implantable prosthetic venous valves for treating venous valve insufficiency. The delivery system is configured to deploy independently both the annular portion within a primary vessel and the branch portion within a branch vessel with only one delivery system. | 10-22-2009 |
20090276035 | Anastomosis method - The present invention provides improved and simplified methods of vascular or hollow organ suture-less anastomosis for attachment of artificial standard vascular graft to the vessel wall in order to reduce the duration of the surgical procedure and its costs. | 11-05-2009 |
20090319029 | DOCKING APPARATUS AND METHODS OF USE - A system for treating an aneurysm in a blood vessel comprises a docking scaffold having with upstream and downstream ends, and a central passageway therebetween. The upstream end engages the blood vessel upstream of the aneurysm. A portion of a first and second scaffolds are slidably received in the central passageway such that an outside surface of the first and second scaffolds engage an inside surface of the docking scaffold. A double-walled filling structure has outer and inner walls and the filling structure is adapted to be filled with a hardenable fluid filling medium so that the outer wall conforms to an inside surface of the aneurysm and the inner wall forms a substantially tubular lumen to provide a path for blood flow therethrough. The double-walled filling structure is coupled with at least one of the first and second leg scaffolds in expanded configuration. | 12-24-2009 |
20090319030 | Stent with Protruding Branch Portion for Bifurcated Vessels - The present invention is directed to a stent for use in a bifurcated body lumen having a main branch and a side branch. The stent comprises a radially expandable generally tubular stent body having proximal and distal opposing ends with a body wall having a surface extending therebetween. The surface has a geometrical configuration defining a first pattern, and the first pattern has first pattern struts and connectors arranged in a predetermined configuration. The stent also comprises a branch portion comprised of a second pattern, wherein the branch portion is at least partially detachable from the stent body. | 12-24-2009 |
20090326643 | BALLOON FOLDING APPARATUS AND METHOD - A catheter assembly and related methods for preparing and assembling catheter assemblies. The catheter assembly includes main and side balloons. The main balloon includes side portions that are folded in opposite directions toward a bottom surface of the main balloon to place the main balloon in a folded state. The side balloon is typically positioned along a top surface of the main balloon. The folded balloons can be retained in a folded state with various retaining structures during further preparation and assembling of the catheter assembly. | 12-31-2009 |
20100004737 | ASYMMETRIC BIFURCATED CROWN - An expandable stent for percutaneous procedures comprises a tubular structure disposed about a longitudinal axis and a plurality of fingers. The plurality of fingers, upon expansion of the stent, extends from the tubular structure about a second longitudinal axis which is angularly offset from the first longitudinal axis. At least one of the plurality of fingers has a length that is greater than that of the other fingers. | 01-07-2010 |
20100030324 | METHOD FOR TREATING A BODY LUMEN - A method for treating a body conduit/lumen having an undesired reduced diameter includes determining a target diameter of the conduit/lumen in a target location of the conduit/lumen, and delivering a self-expanding metal stent in a contracted configuration to the target location. In a fully expanded configuration, the stent has a diameter that is more than 50% larger than the target diameter over an entire length of the self-expanding stent. | 02-04-2010 |
20100049307 | STENT GRAFT HAVING EXTENDED LANDING AREA AND METHOD FOR USING THE SAME - A medical device for treating a target site within a lumen having an arcuate portion is provided. The medical device includes a first tubular portion comprising a proximal and distal end, and a second tubular portion comprising a proximal and distal end. A linking portion couples the first and second tubular portions, and an opening defined between the distal end of the first tubular portion and the proximal end of the second tubular portion. At least part of the linking portion is configured to conform to at least a portion of the arcuate portion of the lumen. Associated methods for using a medical device are also provided. | 02-25-2010 |
20100057195 | BARBED ANCHORS FOR WIRE STENT - An endoluminal prosthesis that includes a support structure comprising a curvilinear portion having a first strut and a second strut that meet at an apex. Disposed on the support structure is an anchor with an anchor body and one or more barbs extending outwardly from the anchor body and where the anchor body fits at least partially about, and conforms to the first strut, second strut, and the apex. | 03-04-2010 |
20100106241 | MEDICAL STENT - In an embodiment, a stent is provided for use in blood vessels with blockage near or in a bifurcation. The stent includes a side aperture. The stent is inserted into one of the daughter branches of the bifurcation and positioned with the use of markers. The stent is then expanded so as to support the wall of the blood vessel while allowing the blood to continue to flow to both daughter branches. | 04-29-2010 |
20100217383 | Apparatus for Engrafting a Blood Vessel - The present invention relates to an apparatus for deploying an endoluminal prosthesis for engrafting a blood vessel. The apparatus includes a bifurcated graft that is able to conform to the interior surface of the blood vessel and can be deployed through a single entry site. | 08-26-2010 |
20100222870 | VASCULAR BIFURCATION PROSTHESIS WITH AT LEAST ONE FROND - An embodiment of the invention provides a prosthesis for placement at an Os opening from a main body lumen to a branch body lumen. The prosthesis comprises a radially expansible support and at least one frond extending axially from an end of the support. The support is configured to be deployed in at least a portion of a first body lumen, which can be a branch body lumen. At least one frond is extendable into across an ostium, e.g., from the first body lumen into a second body lumen, which may be a main body lumen. | 09-02-2010 |
20100305686 | LOW-PROFILE MODULAR ABDOMINAL AORTIC ANEURYSM GRAFT - Systems methods and devices address and ameliorate intralumenal aneurysms by excluding the same through endograft by pass techniques. Percutaneuous emplacement, use of improved aortic-stent assemblies and shotgun neck framing facilitates placement of modular graft sections, for example, to treat abdominal aortic aneurysms. | 12-02-2010 |
20100324664 | Bifurcated Stent Assemblies - Disclosed is a stent assembly for expanding in vivo vessels, the assembly comprises: two stents, a first stent and a second stent, the two stents positioned so that a forward end of the first stent is separated by a predetermined distance from a rearward end of the second stent, and a stent jacket spanning the predetermined distance such that a first end of the jacket is operatively associated with the first stent and a second end of the jacket is operatively associated with the second stent. | 12-23-2010 |
20110087319 | BIFURCATED HIGHLY CONFORMABLE MEDICAL DEVICE BRANCH ACCESS - The present invention comprises a highly conformable stent graft with an optional portal for a side branch device. Said stent graft comprises a graft being supported by a stent, wherein said stent comprises undulations each which comprise apices in opposing first and second directions and a tape member attached to said stent and to said graft such that the tape member edge is aligned to the edge of the apices in the first direction of the each of the undulations, thus confining the apices in the first direction of the undulations to the graft and wherein the apices in the second direction of the undulation are not confined relative to the graft; wherein said graft forms unidirectional pleats where longitudinally compressed and wherein said apices in the first direction of said undulation is positioned under an adjacent pleat when compressed. The invention also discloses and claims methods of making and using said highly conformable stent graft and method of making the optional portal. | 04-14-2011 |
20110087320 | Devices, Systems, and Methods for Prosthesis Delivery and Implantation, Including a Prosthesis Assembly - Devices, systems, and methods for implanting radially expandable prostheses in the body lumens rely on tacking or anchoring the prostheses with separately introduced fasteners. The prostheses may be self-expanding or balloon expandable, and may include a single lumen or more than one lumen. After initial placement, a fastener applier system is introduced within the expanded prostheses to deploy a plurality of fasteners to at least one prosthesis end. The fasteners are usually helical fasteners which are releasably restrained on the fastener driver, and are delivered by rotation of the fastener driver. The fasteners may be applied singly, typically in circumferentially spaced-apart patterns about the interior of at least one end of the prosthesis. A lumen extension or lumens may be coupled to the prosthesis to extend the reach of the prosthesis within the implantation site. Fasteners may also be applied to the lumen extensions. | 04-14-2011 |
20110172761 | STENT - An elongate device, actuate in cross-section, for placement around a vessel, comprises an essentially non-porous outer layer and a biodegradable inner layer. | 07-14-2011 |
20110172762 | SIDE BRANCH STENT GRAFT CONSTRUCTION - A stent graft ( | 07-14-2011 |
20110196477 | Methods and Apparatus for Treatment of Aneurysms Adjacent Branch Arteries - A polymer coating/ring is employed to aid in the sealing and connection of modular elements used in body flow lumens for the exclusion and bypass of diseased regions of the flow lumen, such as where aneurysm occurs adjacent to branching blood vessels. | 08-11-2011 |
20110218617 | ENDOLUMINAL VASCULAR PROSTHESIS - Some embodiments of an endoluminal prosthesis comprise a graft having a first end and a second end, a first stent positioned at a first end of the graft, the first stent comprising a plurality of proximal apices and a plurality of distal apices, a second stent positioned axially adjacent to the first stent comprising a plurality of proximal apices positioned at a first end of the second stent. In some embodiments, the first stent can be partially covered by the graft such that the proximal apices of the first stent are not covered by the graft. The distal apices of the first stent can be positioned approximately on a first or a second plane offset from the first plane. The second stent can be positioned relative to the first stent such that the plurality of proximal apices of the second stent are spaced apart from the plurality of distal apices of the first stent. Further, one or more of the proximal apices of the second stent can be positioned approximately on a third or a fourth plane. The distal apices of the first stent can be circumferentially offset from the proximal apices of the second stent. | 09-08-2011 |
20110224782 | SELF EXPANDING BIFURCATED ENDOVASCULAR PROSTHESIS - Disclosed is a bifurcated tubular endoluminal vascular prosthesis, useful in treating, for example, an abdominal aortic aneurysm. The prosthesis comprises a self expandable wire support structure surrounded at least in part by a flexible tubular membrane. A delivery catheter and methods are also disclosed. | 09-15-2011 |
20110230960 | Stent with Protruding Branch Portion for Bifurcated Vessels - The present invention is directed to a stent for use in a bifurcated body lumen having a main branch and a side branch. The stent comprises a radially expandable generally tubular stent body having proximal and distal opposing ends with a body wall having a surface extending therebetween. The surface has a geometrical configuration defining a first pattern, and the first pattern has first pattern struts and connectors arranged in a predetermined configuration. The stent also comprises a branch portion comprised of a second pattern, wherein the branch portion is at least partially detachable from the stent body. | 09-22-2011 |
20110238160 | Bifurcated Stent with Variable Length Branches - A bifurcated stent includes a trunk portion and first and second branches. At least one of the branches includes a longitudinally extendable portion such that the branch can be extended from a first length up to second length. The longitudinally extendable portion may be formed of a plurality of cylindrical rings coupled to each other by a curved link, wherein pulling the branch straightens the curved link, thereby lengthening the branch. The longitudinally extendable portion may be formed by winding a portion of a continuous wire of the branch at a first pitch whereas the remainder of the branch is wound at a second pitch greater than the first pitch. Thus, when the branch is pulled, the pitch of the longitudinally extendable portion increases, thereby lengthening the branch. A method of deploying a stent with a longitudinally extendable portion is also disclosed. | 09-29-2011 |
20110245913 | IMPLANTABLE PROSTHETIC DEVICE FOR CONNECTION TO A FLUID FLOW PATHWAY OF A PATIENT - An implantable prosthetic for connection to a fluid flow pathway of a patient. The prosthetic is comprised of a primary tube structure which is in communication with a plurality of secondary tube structures each of which contains filters for trapping embolic particles, such as blood clots, air bubbles, thrombus. etc. within a fluid flow pathway within a patient. The prosthetic also contains a monitoring device to non-invasively the flow of fluids through a patient's fluid flow pathway. | 10-06-2011 |
20110257731 | THORACIC AORTA STENT GRAFT WITH ACCESS REGION - A stent graft ( | 10-20-2011 |
20110270385 | Tethered Pop Up Branch Structure Stent Graft and Method - A method includes tethering a first pop up branch structure of a tethered pop up branch structure stent graft to a second pop up branch structure of the tethered pop up branch structure stent graft with a tether. The tethered pop up branch structure stent graft is deployed into a main vessel such that the first pop up branch structure is near a first branch vessel emanating from the main vessel and the second pop up branch structure is near a second branch vessel emanating from the main vessel. A first guide is passed through a first collateral opening in the first pop up branch structure and into the first branch vessel. A second guide is passed through a second collateral opening in the second pop up branch structure and into the second branch vessel. The tether is then removed such that the first pop up branch structure slides outwards on the first guide and into a first ostium of the first branch vessel and the second pop up branch structure slides outwards on the second guide into a second ostium of the second branch vessel. | 11-03-2011 |
20110270386 | STENT WITH SELF-DEPLOYABLE PORTION HAVING WINGS OF DIFFERENT LENGTHS - The present invention provides methods and devices for placement of a stent in a bifurcation or ostial lesion. The stent comprises a main body and a flaring portion. The main body is designed to expand and support a main vessel of the bifurcation and defines a main body axis. The flaring portion is disposed on a side of the main body and is adapted to flare radially and offset the main body axis in response to expansion of the main body. The flaring portion comprises at least one distal wing and at least one proximal wing. Each wing is aligned along the main body axis. The at least one proximal wing is longer than the at least one distal wing, providing greater coverage of the proximal side of the side vessel than on the distal surface of the side vessel. | 11-03-2011 |
20110295364 | APPARATUS AND METHOD OF USING MARKERS TO POSITION STENTS IN BIFURCATIONS - The present invention provides methods and systems for placing stent systems at vascular bifurcations. The systems include a main branch stent having a side opening, optionally including a side structure, with radiopaque fluoroscopic markers about the periphery of the opening. The stent system further includes a side branch stent having radiopaque markers near at least end thereof. The main branch stent is positioned in the main blood vessel lumen using the markers for proper positioning. After deploying the main branch stent, the side branch stent is positioned through an opening within the side branch. Using the markers on both the main branch stent and the side branch stent, proper alignment and positioning of the two stents relative to each other may be achieved. | 12-01-2011 |
20110301693 | ILIAC EXTENSION WITH FLARED CUFF - A leg extension ( | 12-08-2011 |
20110307052 | STENT ALIGNMENT DURING TREATMENT OF A BIFURCATION - A system for treating a bifurcation includes a first radially expandable stent and a second radially expandable stent. The first stent has a side hole and a plurality of lateral elements extending from the side hole. The second stent has a plurality of axial elements extending away from the proximal end of the second stent. The axial elements of the second stent interdigitate with the lateral elements of the first stent when both stents have been expanded. | 12-15-2011 |
20110313512 | Side Branch Stent Graft - A stent graft has a tubular side arm which can be angled proximally and distally and from side to side. The wall of the stent graft in the vicinity of the side arm has a loose fold of the graft material and the side arm is fastened to the loose fold of graft material. The tubular side arm has an inner end and an outer end and is fastened into the loose fold of graft material by a circumferential fastening around the tubular side arm between the inner end and the outer end so that the tubular side arm extends partially within the tubular body of the stent graft and partially outside the tubular body of the stent graft. The loose fold of graft material can be formed by the graft material defining a recess in the wall of the stent graft. To enable movement or angulation proximally and distally and from side to side the loose fold of graft material is provided both proximally and distally of the tubular side arm and circumferentially to each side of the tubular side arm. | 12-22-2011 |
20110319983 | BRANCHED STENT GRAFT - A branched stent graft comprises a main body portion and a branch portion. Each of the main body portion and the branch portion includes a stent and a tubular graft. The stent of the main body portion includes a plurality of stent segments, at least one of which is a varying-height stent segment ( | 12-29-2011 |
20120041544 | STENT GRAFT FENESTRATION - A method of deploying a stent graft in a blood vessel with at least one side branch vessel, comprising: (a) forming a blood flow conduit between the branch vessel and the blood vessel such that a vessel section of the conduit is axially located inside the blood vessel and a branch section is positioned inside the branch vessel; (b) deploying the stent graft inside the blood vessel so that blood flow into said at least one side branch is blocked by the stent graft and continues through the blood flow conduit; (c) forming an opening suitable for allowing blood flow between the blood vessel and the branch vessel; and (d) interrupting blood flow in the vessel section of the conduit. | 02-16-2012 |
20120065725 | PROSTHESIS FOR ANTEGRADE DEPLOYMENT - An endoluminal tubular prosthesis for use in an open surgical repair comprises a tubular graft having a longitudinal axis, a first tubular section having a plurality of self-expanding stents and extending along the longitudinal axis and a second stent-less tubular section extending from the first tubular section and along the longitudinal axis. The tubular prosthesis can include a plurality of tubular branching members branching therefrom for treating branched arteries without obstructing them, such as the branches from the aortic arch. | 03-15-2012 |
20120071965 | IMPLANTABLE GRAFT CONNECTOR - A connector for fluidically connecting a graft to a patient's natural vessel to enable fluid to flow through the graft into the vessel. The connector comprises a main conduit having opposing ends each configured to be implanted in the vessel; and a branch conduit having a first end integral with the main conduit and a second end connectable to the graft, wherein the branch conduit extends at angle from the main conduit at a point between the opposing ends of the main conduit. | 03-22-2012 |
20120089220 | MICROCATHETER - An endolumenal for delivering and positioning an endolumenal expandable prosthesis for a bifurcation is provided. The endolumenal device includes a guidewire tracking device and an elongated body that has a central longitudinal axis and an expansion device configured to expand symmetrically relative to the central longitudinal axis. The guidewire tracking device comprises a single guidewire lumen disposed within a wall structure of the expansion device. The guidewire tracking device has at least three distal ports extending through the wall structure of the expansion device. The guidewire lumen includes a distal apical port in an approximately central position relative to the expansion device, considered in cross section at right angles to the central longitudinal axis. | 04-12-2012 |
20120095547 | MODULAR GRAFTING SYSTEM AND METHOD - A system and method for treating and repairing complex anatomy characterized by a plurality of vessel portions oriented at various angles relative to each other. The system including a graft device that is capable of being assembled in situ and has associated therewith a method that avoids the cessation of blood flow to vital organs. A delivery catheter system and various graft supporting, mating and anchoring structures are additionally included. | 04-19-2012 |
20120116500 | H-Side Branch Stent - Provided is an H-side branch stent including a first stent having a plurality of cells and a hollow cylindrical shape, at least one bridge having one end connected to a distal end of the first stent, and a second stent having a front end connected to the other end of the bridge, and having a plurality of cells and a hollow cylindrical shape. Accordingly, the H-side branch stent can prevent re-stenosis of the opening of the branch blood vessel since the stent can completely support an inner circumference of an opening of a branch blood vessel in a circumferential direction, and prevent blood flow disturbance because stents are not densely concentrated to a boundary between a main blood vessel and the branch blood vessel and some regions of the stent do not project into the main blood vessel. | 05-10-2012 |
20120123526 | THORACIC AORTIC STENT STRUCTURE - A thoracic aortic stent structure, including a main stent having at least one sub-stent which is formed as a piece on the main stent; and a membrane covering the main stent and the at least one sub-stent, and having at least one side-opening corresponding to a free end of the at least one sub-stent. The membrane compresses the main stent and the at least one sub-stent, which causes diameter of the main stent and the at least one sub-stent narrower. Upon removing the membrane, the main stent and the at least one sub-stent can extend to reconstruct a vascular pathway. The thoracic aortic stent is able to simplify the process, of placement, save time and provide easy operation. | 05-17-2012 |
20120123527 | HYDROGEL ENHANCED MEDICAL DEVICES - The present disclosure generally provides a stent-graft for insertion into a body vessel that comprises hydrophilic polyurethane hydrogel cuffs and an elongated cylindrical body. This stent-graft exhibits an enhanced ability to maintain its original position when placed into a patient and resist the potential of migration without causing excessive discomfort to the patient. Upon exposure to bodily fluids, the cuffs of the stent-graft expand to exert a sealing or anchoring force against the wall of the body vessel. Such a stent-graft overcomes many of the problems associated with conventional stent-grafts as currently used in many different applications, for example, endovascular repair and ureteral drainage. | 05-17-2012 |
20120130478 | DEVICES AND METHODS FOR IN SITU FENESTRATION OF A STENT-GRAFT AT THE SITE OF A BRANCH VESSEL - The present disclosure includes a stent-graft comprising a first portion that is configured to engage a vessel wall, a second portion that is configured not to engage the vessel wall, and a perfusion window that is configured to permit blood flow. The stent-graft may further comprise a transition portion between the first portion and the second portion, and the perfusion window may be formed in the first portion, the second portion, and/or the transition portion. In a variety of embodiments, one of the first and the second portion may have a smaller diameter than the other. Similarly, in a variety of embodiments, the transition portion may be frustoconically shaped. | 05-24-2012 |
20120130479 | LOW PROFILE NON-SYMMETRICAL STENTS AND STENT-GRAFTS - Various stents and stent-graft systems for treatment of medical conditions are disclosed. In one embodiment, an exemplary stent-graft comprises first and second stents, which each may comprise a series of distal apices disposed distal to a proximal end of the graft, and a series of proximal apices disposed proximally beyond the proximal end of the graft. In one example, the first stent comprises a first uniform segment, and the second stent comprises a second uniform wire segment, where the first uniform segment comprises portions disposed both internal and external to the second uniform wire segment. | 05-24-2012 |
20120136431 | Stent Graft System - The stent graft system in accordance with the present invention has a trunk, a left subclavian tube, a left common carotid tube and a brachiocephalic tube. The trunk is tubular and expandable and has a descending end, an ascending end, a left subclavian mount, a left common carotid mount and a brachiocephalic mount, for receiving the aforementioned branch tubes that are elastic and self-expandable for respectively connecting the left subclavian artery, the left common carotid artery and the brachiocephalic artery to the trunk. With the above-described structure, the present invention allows fast determination of a suitable trunk and branch tubes for a patient and allows a medical institute to prepare compatible branch tubes and trunks for a composite stent graft system instead of numerous stent grafts of various combinations of differently sized tubular bodies and branches, wherein the former requires significantly less warehousing cost than the latter. | 05-31-2012 |
20120143317 | VASCULAR REMODELING DEVICE - Described herein are vascular remodeling devices that include a proximal section, an intermediate section, and a distal section. During deployment, the proximal section can expand from a compressed delivery state to an expanded state and anchors the device in an afferent vessel of a bifurcation. The distal section expands from the compressed delivery state to an expanded state that may be substantially planar, approximately semi-spherical, umbrella shaped, or reverse umbrella shaped. The distal section is positioned in a bifurcation junction across the neck of an aneurysm or within an aneurysm. The intermediate section allows perfusion to efferent vessels. Before or after the device is in position, embolic material may be used to treat the aneurysm. The distal section can act as a scaffolding to prevent herniation of the embolic material. The device can be used for clot retrieval with integral distal embolic protection. | 06-07-2012 |
20120185036 | APPARATUS AND METHOD FOR DEPLOYING AN IMPLANTABLE DEVICE WITHIN THE BODY - The present invention provides systems and methods for deploying implantable devices within the body. The delivery and deployment systems include at least one catheter or an assembly of catheters for selectively positioning the lumens of the implant to within target vessels. Various deployment and attachment mechanisms are provided for selectively deploying the implants. | 07-19-2012 |
20120191180 | Fenestration for Stent Graft Arrangements and Stent Graft Including the Same - A fenestration ( | 07-26-2012 |
20120203329 | BIFURCATED STENT AND METHOD OF USE - A stent system is provided for percutaneous insertion in an artery of a main stent which may include at least one peripheral fenestration defined through the stent wall. The peripheral fenestration may be configured to be expanded in situ to receive a peripheral stent. The stent system also may include a peripheral stent configured to be inserted into the peripheral fenestration of the main stent. The peripheral stent may extend, when inserted in the peripheral fenestration, generally perpendicular to the longitudinal axis of the main stent. The stent system may further include a guidewire, insertable through the peripheral aperture, for maneuvering the main stent into place in the artery. The guidewire may be tapered toward its distal end. The stent system may also include a dilation device for dilating the peripheral stent within the peripheral aperture. | 08-09-2012 |
20120271410 | BRANCH ENDOGRAFT DELIVERY - A system for treating disease involving branching vessels of a mammal is provide. The system may include a main graft assembly (i) having a lumen permitting fluid flow therethrough, and (ii) configured to expand within, and contact a wall of, a first vessel of a mammal; and a branch graft assembly including a branch cover (i) having a cover lumen permitting fluid flow therethrough; and (ii) configured to expand within, and contact a wall of, a branch vessel that branches from the first vessel. The branch graft assembly may also include an expandable branch stent extending within the cover lumen. The branch graft assembly may further include a branch sheath (i) extending between the branch stent and the cover lumen, and (ii) constraining radial expansion of the branch stent within the cover lumen. | 10-25-2012 |
20120277851 | Catheter With Attached Flexible Side Sheath - A method of positioning a main stent at a vessel bifurcation includes positioning a main guidewire in the main vessel; and advancing a stent delivery system to a position proximate the bifurcation. The stent delivery system includes a catheter with a flexible side sheath attached thereto and a main stent positioned over the catheter. The flexible side sheath is positioned to pass through the side opening in the main stent. The method also includes advancing a branch guidewire through the flexible side sheath and into the branch vessel; and subsequently, advancing the catheter over the main guidewire while advancing the flexible side sheath over the branch guidewire while viewing relative movement of a marker positioned on the flexible side sheath with respect to at least one marker positioned on the catheter. | 11-01-2012 |
20120283821 | Stent for Protecting Bifurcated Blood Vessels in Bifurcation Lesion - The present invention relates to a stent for protecting a branch blood vessel at a branch-point lesion. The stent is inserted into and widened in a main blood vessel having the branch blood vessel extending in a slant from the branch-point lesion, thereby simultaneously expanding the main blood vessel and providing a smooth flow of blood towards the branch blood vessel. As a result, it is possible to simultaneously expand the main blood vessel and to sufficiently secure a passage from the main blood vessel towards the branch blood vessel. As such, the flow of blood is kept smooth. Further, after the stent is inserted into the main blood vessel, another stent, a guide wire, and related tools and catheter can be inserted in the direction of the branch blood vessel in a more accurate manner. | 11-08-2012 |
20130023981 | BARBED ANCHOR - An endoluminal prosthesis includes a support structure including a curvilinear portion having a first strut and a second strut that meet at an apex. Disposed on the support structure is an anchor with an anchor body and one or more barbs extending outwardly from the anchor body. The anchor body can fit at least partially about, and can conform to the first strut, second strut, and the apex. A curved portion of the anchor and the curvilinear portion of the support structure can be co-formed, resulting in a secure interference fit so that welding, soldering, or other joining mechanisms can be avoided. Cutouts can be formed along the curved portion of the anchor to relieve stress or strain during the co-forming process. | 01-24-2013 |
20130041456 | BRANCH VESSEL PROSTHESES - The present embodiments provide a branch vessel prosthesis for placement at least partially between a main vessel and a branch vessel of a patient. The branch vessel prosthesis has a graft including a generally tubular body of a biocompatible material. At least one stent is coupled to a proximal region of the graft, and at least one stent is coupled to a distal region of the graft. The proximal region of the graft includes a generally straight configuration in an expanded deployed state that is substantially parallel to a longitudinal axis of a main vessel. The distal region of the graft includes a generally straight configuration in the expanded deployed state that is substantially parallel to a branch vessel. A curvature of a central region varies an angle in which the distal region of the graft is disposed relative to the proximal region. | 02-14-2013 |
20130041457 | STENT FOR BIFURCATED VESSEL - A stent for a bifurcated vessel includes a stent body with two open ends. The stent body includes multiple sets of annular units having multiple undulating rods and connecting rods positioned between adjacent annular units and used to connect the adjacent annular units. At least one open end of the stent body has a slope structure. | 02-14-2013 |
20130046374 | Small Vessel Stent And Methods Of Use - A drug delivery device comprising an intraluminal stent for improving coronary luminal diameter of small vessels in patients with symptomatic heart disease is disclosed. The intraluminal stent comprises struts having a thickness of less than approximately 110 μm. A polymer is adhered to the intraluminal stent that includes from about 50 μg/cm | 02-21-2013 |
20130066416 | BIFURCATED ENDOLUMINAL PROSTHESIS - An endoluminal stent that can include, in various embodiments, perpendicular hoop members, each hoop member being formed of wire in a sinuous configuration, at least some of juxtaposed apices in neighboring hoops being secured to one another, such stents also being formed with axially aligned segments in straight stents, and segments of bifurcated stents. Certain embodiments of such stents also can include barbs, fabric covering, and radiopaque markers. | 03-14-2013 |
20130079870 | ENDOLUMINAL PROSTHESIS WITH STEERABLE BRANCH - An endoluminal prosthesis may include a tubular main graft body including a sidewall and proximal and distal ends. A first stent may be positioned near the proximal end of the main graft body. A second stent may be positioned adjacent to and distal of the first stent. An opening in the sidewall may be positioned longitudinally between a peak of the first stent and a valley of the second stent. A tubular branch may be disposed in the opening. The branch may include first and second end openings. The branch may be flexibly orientable between a retrograde configuration in which the first end opening is oriented toward the distal end and the second end opening is oriented toward the proximal end and an antegrade configuration in which the first end opening is oriented toward the proximal end and the second end opening is oriented toward the distal end. | 03-28-2013 |
20130090722 | MULTI-COMPONENT BIFURCATED STENT-GRAFT SYSTEMS - A multiple-component expandable endoluminal system for treating a lesion at a bifurcation including a self expandable tubular root member having a side-looking engagement aperture, a self expandable tubular trunk member comprising a substantially blood impervious polymeric liner secured therealong; both having a radially compressed state adapted for percutaneous intraluminal delivery and a radially expanded state adapted for endoluminal support. | 04-11-2013 |
20130103136 | ARTIFICIAL BLOOD VESSEL AND ACCESS PORT OF ARTIFICIAL BLOOD VESSEL - An artificial blood has a trunk portion with both ends connected to blood vessels, and access branch portions and a shunt branch portion branched from the trunk portion. The access branch portions are disposed with a solid column-shaped access port that plugs these branch portions. The access port has a solid center portion and a tube-shaped peripheral portion disposed to surround the center portion. The peripheral portion is harder than the center portion and prevents the needle from deviating from the inside of the center portion. This enables a puncture to be easily made in a therapy in which a puncture is highly frequently made in a blood vessel. | 04-25-2013 |
20130103137 | ARTIFICIAL BLOOD VESSEL - An artificial blood vessel has a trunk portion which forms a part of the blood vessel and also has branch portions which are branched from the trunk portion. The branch portions are provided with access ports into which a needle, for discharging liquid out of a human body or introducing the liquid into the human body, is inserted. Tubular reinforcement members integrated with the blood vessel wall of the trunk portion are disposed at positions of the trunk portion, the positions being those from which the branch portions are branched, and at portions adjacent to the positions of the trunk portion. A lateral force at the time of needle insertion is borne by the reinforcement member, and this prevents the trunk portion from deforming. Thus, the configuration prevents the artificial blood vessel from deforming due to a force applied when a needle for discharging liquid from a human body or introducing the liquid into the human body is inserted into an access port of the artificial blood vessel. | 04-25-2013 |
20130116774 | Protuberant Aneurysm Bridging Device and Method of Use - A bridging device for supporting occlusive masses within an aneurysm located at a vascular bifurcation. | 05-09-2013 |
20130116775 | PROSTHESIS HAVING PIVOTING FENESTRATION - The present disclosure relates to an endoluminal prosthesis, such as a stent graft that includes one or more fenestrations to accommodate endovascular disease, such as an aneurysm in cases where one or more side branches is involved. In one aspect, the prosthesis includes fenestrations that are pivotable to accommodate the dynamic geometry of the aortic branches. In another aspect, the pivotable fenestrations include a first perimeter, a band of flexible material attached and surrounding the first perimeter, and a second perimeter attached to and surrounding the band of flexible material. The first perimeter, band of flexible material, and second perimeter have a geometric shape. In one aspect, the prosthesis includes at least three pivotable fenestrations. | 05-09-2013 |
20130123909 | Surgical Implant Devices and Methods for Their Manufacture and Use - A sealable vascular system includes an endovascular implant to be delivered in a compressed or folded state to an implantation site. The endovascular implant includes a tubular implant body and a sealable circumferential collar at said tubular implant body and including a variable sealing device and a control lead traversing from said variable sealing device to a user for controlling said variable sealing device by the user, said variable sealing device and said control lead being cooperatively operable to reversibly expand and contract said sealable circumferential collar such that said sealable circumferential collar is circumferentially adjustable during deployment thereof to achieve a repositionable fluid-tight seal between said sealable circumferential collar and the internal walls of the implantation site. | 05-16-2013 |
20130131786 | ENDOVASCULAR GRAFT - An endovascular graft, which is configured to conform to the morphology of a vessel to be treated, includes a tubular ePTFE structure; an inflatable ePTFE structure disposed over at least a portion of the ePTFE tubular structure; and an injection port in fluid communication with the inflatable ePTFE structure for inflation of the inflatable ePTFE structure with an inflation medium. The inflatable ePTFE structure may be longitudinally disposed over the tubular ePTFE structure. The ePTFE structure may be a bifurcated structure having first and second bifurcated tubular structures, where the inflatable ePTFE structure is disposed over at least a portion of the first and second bifurcated tubular structures. | 05-23-2013 |
20130197627 | IMPLANTABLE MEDICAL DEVICE - A fenestrated implantable medical device, such as a stent graft ( | 08-01-2013 |
20130204354 | BRANCHED STENT/GRAFT AND METHOD OF FABRICATION - Branched braided stent or graft devices and processes for fabrication of the devices are disclosed in which a trunk portion and two hinge leg portions are fabricated in one piece braided from a single plurality of filaments, whereby the legs contain the full plurality of filaments and the trunk portion contains a subset of the same plurality of filaments. The fabrication process involves braiding the hinged legs on a mandrel while retaining loops of filament between the hinged leg portions for subsequent braiding of the trunk portion of the stent or graft. | 08-08-2013 |
20130211505 | DEVICES AND METHODS FOR APPROXIMATING THE CROSS-SECTIONAL PROFILE OF VASCULATURE HAVING BRANCHES - This disclosure is related to devices and related methods for isolating a treatment region in a human body from fluid pressure. In various embodiments, an implantable device for isolating a treatment region in a human body from fluid pressure comprises a first elongated segment, and a second elongated segment, and one or more branch segments in fluid communication with one of the first elongated segment and the second elongated segment. The elongated segments have a combined cross section that is substantially conformable to an intraluminal cross section of a body lumen into which they are implanted. A method of installing an implantable medical device into the body of a patient comprises deploying a first elongated segment, deploying a second elongated segment, and deploying one or more branch segments in a target region of a vasculature. | 08-15-2013 |
20130211506 | BRANCHED STENT GRAFT DEVICE AND DEPLOYMENT - A device for treating disease along a main vessel and at least one branch vessel extending from the main vessel includes a branch member for deployment in the branch vessel, the branch member having a branch lumen; and a main body for deployment in the main vessel. The main body has a generally tubular wall extending generally longitudinally between opposite first and second ends. The wall has an internal surface defining a main lumen and an opposite outer surface. The wall has a recessed portion that is recessed relative to the outer surface of the wall and positioned between the first and second ends of the main body. The main body has an opening formed in the recessed portion of the wall for receiving the branch member therethrough such that the branch lumen is in fluid communication with the main lumen. | 08-15-2013 |
20130211507 | APPARATUS AND METHOD FOR DEPLOYING AN IMPLANTABLE DEVICE WITHIN THE BODY - The present invention provides devices and methods for fabricating and deploying an implantable device within the body. The invention is particularly suitable for delivering and deploying a stent, graft or stent graft device within a vessel or tubular structure within the body, particularly where the implant site involves two or more interconnecting vessels. The delivery and deployment system utilizes a plurality of strings which are releasably attached to the luminal ends of the implantable device. | 08-15-2013 |
20130218261 | APPARATUS AND METHOD FOR CONNECTING A CONDUIT TO A HOLLOW VESSEL - An applicator for forming a hole in a wall of a hollow vessel and engaging a graft, the applicator comprising: a hole forming element adapted to form a hole in the wall of the vessel, the hole forming element comprising a cutting element adapted to cut a hole in the wall of the vessel and a positioning element adapted to hold the position of the applicator relative to the vessel; and an insertion element adapted to be inserted through the wall of the vessel, the insertion element comprising a retraction element adapted to enter into engagement with a graft. | 08-22-2013 |
20130268060 | METHOD FOR DIFFERENTIATING EMBRYONIC STEM CELLS INTO CELLS EXPRESSING AQP-1 - The present invention relates to methods of differentiating a human embryonic stem (ES) cell into a cell, specifically a renal epithelial cell, expressing AQP-I. The methods disclosed comprise culturing human ES cells in a renal specific medium in the presence of an extracellular matrix molecule. The cells produced according to said method can be used to treat renal related disorders such as renal failure, nephrosis, Bright's disease and glomerulitis. | 10-10-2013 |
20130289713 | CIRCUMFERENTIALLY CONSTRAINING SUTURES FOR A STENT-GRAFT - A circumferentially constraining suture for an endovascular prosthesis having a tubular body and a plurality of stents coupled to the tubular body includes a first thread coupled at a first end to one of the stents and a first thread loop disposed opposite the first end. The first thread extends only partially around a circumference of the tubular body in a radially expanded configuration. A second thread having a second thread loop is interlocked with the first thread loop and extends from the first thread loop around a remainder of the circumference of the tubular body. Pulling the second thread causes the first thread to circumferentially constrain the tubular body to a reduced diameter configuration. A trigger wire inserted through the first thread loop retains the first thread such that the tubular body is in the reduced diameter configuration after removal of the second thread. | 10-31-2013 |
20130289714 | Protuberant Aneurysm Bridging Device and Method of Use - A bridging device for supporting occlusive masses within an aneurysm located at a vascular bifurcation. | 10-31-2013 |
20130331928 | Dialysis Graft with Thromboses Prevention Arrangement - A dialysis graft includes an artery connection section having one end connected to an artery; and a vein connection section having both ends connected to two sections of a vein respectively. Diameter of either end of the vein connection section is equal to that of the corresponding section of the vein. The other end of the artery connection section is integrally formed with the vein connection section and communicates therewith. An enlargement for preventing stenosis and thromboses is formed at the connection of the artery connection section and the vein connection section. The dialysis graft further includes lines, ring markings, and markings for providing a visual help to a physician when endovascular therapy is needed. | 12-12-2013 |
20130338761 | STENT FOR BIFURCATION, A SYSTEM FOR INTRAVASCULAR IMPLANTATION OF THE STENT FOR BIFURCATION AND A METHOD OF IMPLANTATION OF THE STENT FOR BIFURCATION - A stent for bifurcation, including two cylindrical parts: a distal part ( | 12-19-2013 |
20130345794 | MULTILAYERED VASCULAR TUBES - Described herein are engineered multilayered vascular tubes comprising at least one layer of differentiated adult fibroblasts, at least one layer of differentiated adult smooth muscle cells, wherein any layer further comprises differentiated adult endothelial cells, wherein said tubes have the following features: (a) a ratio of endothelial cells to smooth muscle cells of about 1:99 to about 45:55; (b) the tube is compliant; (c) the internal diameter of the tube is about 6 mm or smaller; (d) the length of the tube is up to about 30 cm; and (e) the thickness of the tube is substantially uniform along a region of the tube; provided that the engineered multilayered vascular tube is free of any pre-formed scaffold. Also described herein are methods of forming said tubes and uses for said tubes including methods for treating patients, comprising providing such a tube into to a patient in need thereof. | 12-26-2013 |
20140025162 | SIDE BRANCHED ENDOLUMINAL PROSTHESES AND METHODS OF DELIVERY THEREOF - An expandable prosthetic device and method of delivery that allows the initial placement of multiple guidewires into selected target sites. The prosthesis includes a main body device. This main body device has a separate side branch guidewire lumen that passes through the main body device and through a side opening in the main body device. As the main body device is advanced, the side opening is self guided (by the side branch guidewire) and self-aligns to the side branch vessel ostium. The main body device is then deployed, leaving the side branch guidewire in place. A side branch device is then advanced along the side branch guidewire through the main body device, through the side wall opening and into the native side branch vessel. The side branch device can then be deployed to engage the main body device and the native side branch vessel. | 01-23-2014 |
20140081385 | ARTERIAL IMPLANTS - The technology described herein generally relates to the field of tissue engineering and treatment of cardiovascular disease by endovascular repair. The technology more particularly relates to devices and methods to produce a tissue-based implant that can be used for abdominal aorta aneurysm, thoracic aorta aneurysm, or other cardiovascular repair. | 03-20-2014 |
20140094902 | VASCULAR ENDOGRAFT - An endograft includes a main body having a wall separating interior and exterior surfaces and adapted to be inserted within the vessel. The main body is characterized by a single proximal opening and two distal openings and at least one aperture extending through the wall. At least one stent is secured to the main body that upon expansion pressure fits the main body into the vessel. An open tunnel is secured to the interior surface of the main body around the main body aperture and secured somewhere along the tunnel length to provide fluid communication between the interior and exterior surfaces of the main body through the aperture and with the vascular branch in proximity to the main body aperture. The insertion of a sleeve positioned partly within the tunnel and extending beyond the exterior surface of the main body into the vascular branch assures to the vascular branch. | 04-03-2014 |
20140100650 | ENDOVASCULAR GRAFT FOR ANEURYSMS INVOLVING MAJOR BRANCH VESSELS - Systems and methods for treating diseased bodily lumens involving branched lumen deployment sites include a main graft or stent-graft deployable in a main artery and a vent device or stent-graft deployable in a branch artery to maintain blood flow through the main artery and from the main artery to the branch artery. Systems and methods for treating diseased bodily lumens involving branched lumen deployment sites may also include a main graft or stent-graft deployable in the main artery, a chimney graft or stent-graft deployable in both branch artery and the main artery to the branch artery and a gutter-sealing device associated with the chimney graft to prevent flow of blood among the chimney graft, the main graft and a wall of the main artery. | 04-10-2014 |
20140135905 | AORTIC STENT - An aortic stent includes a main tube including a main section having an outer diameter about equal to an inner diameter of a blood vessel of a descending aorta, and first and second tube bifurcations branched from the main section wherein the first tube bifurcation includes a first membrane for dividing inside of the first tube bifurcation into first and second spaces, and the second tube bifurcation includes a second membrane for dividing inside of the second tube bifurcation into third and fourth spaces; and at least one tube branch retained in the first, second, third or fourth space so that each tube branch has one end retained in the main tube and the other end in fluid communication with artery. | 05-15-2014 |
20140142685 | DEVICES AND METHODS FOR TREATMENT OF VASCULAR ANEURYSMS - The present invention relates to devices and methods for the treatment of diseases in the vasculature, and more specifically, devices and methods for treatment of aneurysms found in blood vessels. In a first embodiment of the present invention, a two part prostheses, where one part is an expandable sponge structure and the other part is an expandable tubular mesh structure, is provided. In the first embodiment, the expandable sponge structure is intended to fill the aneurysm cavity to prevent further dilatation of the vessel wall by creating a buffer or barrier between the pressurized pulsating blood flow and the thinning vessel wall. In the first embodiment, the expandable tubular mesh structure is placed across the aneurysm, contacting the inner wall of healthy vessel proximal and distal to the aneurysm. | 05-22-2014 |
20140222132 | PERCUTANEOUS ENDOPROSTHESIS USING SUPRARENAL FIXATION AND BARBED ANCHORS - An endoprosthetic device for treating abdominal aortic aneurysms using suprarenal fixation. A stent ring is anchored in an area above the renal arties using self-flaring barbs that project during the nitinol expansion process. Sutures extend from the stent ring to an area below the renal arties to a bifurcated trunk portion comprising a nitinol fabric on a non-kinking frame. The bifurcated trunk is sealed proximal the iliac arteries and includes iliac leg holders having self-flaring retention struts for non-traumatic holding of iliac leg prosthetics. Suprarenal fixation and collapsible cells having retention projections and barbs that only flare during the nitinol expansion process assist in lowering the devices profile and sheathability for percutaneous delivery and may provide for recapturing the anchored device. | 08-07-2014 |
20140243952 | UNIVERSAL ENDOVASCULAR GRAFTS - Universal endovascular grafts are provided for evaluation and repair of damaged or aneurismal blood vessels. More particularly, the present invention relates to universal fenestrated and universal branched endografts for repair of blood vessels with branches, methods for implanting the endografts in the vessel and for making connection with one or more branches. The universal fenestrated endografts have a body with a first end, a second end, a first wall, a second wall, and an interior passage or lumen. The body further includes openings in communication with the passage at the first and second ends and one or more lateral fenestrations in communication with the lumen. The body further has a necked portion between the ends and a cannulation member. The universal branched endografts have a tubular body with a main lumen and four branch lumens. A large branch extends from the body. The four lumens are positioned about a circumference of the tubular body. | 08-28-2014 |
20140257464 | Endovascular Grafts for Treating the Iliac Arteries and Methods of Delivery and Deployment Thereof - This invention relates generally to medical devices, and more particularly, to endovascular grafts and methods for treating branched vessels in diverse patient populations including those with shorter than average common iliac arteries. A bifurcated stent graft as described herein comprises adjacent facing fenestrations formed in the graft legs in order to permit proper placement of an “up-and-over sheath” and a side branch which may be proximally located in order to properly align the side branch with the opening of the branch vessel such as the internal iliac artery while keeping the graft bifurcation seated near the aortic bifurcation. | 09-11-2014 |
20140316514 | DEVICES AND METHODS FOR TREATMENT OF THE AORTIC ARCH - The present disclosure includes an endoprosthesis comprising a descending stent-graft, an ascending stent-graft, and/or a side-branch stent-graft. In various embodiments, an ascending stent-graft is capable of being coupled to a descending stent-graft, and/or a descending stent-graft can comprise a fenestration capable of being coupled to a side-branch stent-graft. In addition, in various embodiments, a descending and/or ascending stent-graft can comprise a reduced diameter portion that, when implanted within an aortic arch, recedes from a luminal surface of the aortic arch to allow a side-branch stent-graft to be maneuvered within the aortic arch. | 10-23-2014 |
20140358221 | Membrane for Covering a Peripheral Surface of a Stent - A membrane for covering a peripheral surface of a stent is provided, the membrane including a plurality of line openings formed therein. Each line opening may be a straight line opening, for example in the form of a slit, a curved line opening, or any line opening of a suitable shape or curvature, e.g. U-shaped or V-shaped. Blood pressure opens the slits to allow blood to flow through the membrane, while curved line openings create a flap in the membrane that can open to allow blood to pass through. According to further embodiments of the present invention, a method of forming a membrane on a stent and a device for use in a blood vessel are provided. | 12-04-2014 |
20140364936 | SELF EXPANDING STENT - A self expanding stent ( | 12-11-2014 |
20150073534 | PROSTHESIS HAVING PIVOTING FENESTRATION - The present disclosure relates to an endoluminal prosthesis, such as a stent graft that includes one or more fenestrations to accommodate endovascular disease, such as an aneurysm in cases where one or more side branches is involved. In one aspect, the prosthesis includes fenestrations that are pivotable to accommodate the dynamic geometry of the aortic branches. In another aspect, the pivotable fenestrations include a first perimeter, a band of flexible material attached and surrounding the first perimeter, and a second perimeter attached to and surrounding the band of flexible material. The first perimeter, band of flexible material, and second perimeter have a geometric shape. In one aspect, the prosthesis includes at least three pivotable fenestrations. | 03-12-2015 |
20150088244 | TANDEM MODULAR ENDOGRAFT - A tandem modular endograft includes a main elongate tubular graft body having at least one circumferential inflatable channel disposed towards a proximal portion of the graft body wall and a plurality of circumferential inflatable channels disposed towards a distal portion of the graft body wall. A proximal expansion anchor is disposed at or secured to a proximal neck portion of the graft body wall. First and second elongate tubular stent-graft extensions may be percutaneously disposed into a distal end of the tubular graft body. In combination, proximal portions of the first and second stent-graft extensions are conformable to a shape of the open lumen of the main graft body. | 03-26-2015 |
20150119975 | BRANCHED VESSEL PROSTHESIS FOR REPAIR OF A FAILED STENT GRAFT - One aspect of the present disclosure relates to a branched vessel prosthesis for repair of a failed stent graft. The branched vessel prosthesis can include a main stent graft body having a proximal end portion, a distal end portion, and a frusto-conical midsection that tapers to the distal end portion. The main stent graft body can include a tubular wall that defines a main lumen. The midsection can include a fenestration in the tubular wall and a collapsible internal limb that extends from the fenestration into the main lumen. The internal limb can be configured to receive an iliac limb extension. | 04-30-2015 |
20150290001 | ALIGNMENT SYSTEM FOR MULTIPLE BRANCH ENDOGRAFTS - A nonmodular endograft system for treating aortic aneurysms involving bilateral renal arteries can include a main fabric cover that is sealedly coupled, or integral, with first and second branch fabric covers. The system can be configured so that after the main cover is expanded in the aorta, and after the two branch covers are respectively expanded in the renal arteries such that (i) the first cover ostium is substantially aligned with the first renal ostium, and (ii) the second cover ostium is not substantially aligned with the second renal ostium, then aortic blood flows from the main cover into each of the branch covers. | 10-15-2015 |
20150305899 | BRANCHED POLYHYDROXYALKANOATE SYSTEMS FOR BIORESORBABLE VASCULAR SCAFFOLD APPLICATIONS - An implantable medical devices such as a stent that includes sparse comb polyhydroxyalkanoate (PHA) systems is disclosed. The stent includes a stent body, scaffold, or substrate made partially or completely of polymer material including PHA. | 10-29-2015 |
20150320578 | FLEXIBLE STENT GRAFT - A flexible stent graft for deployment in a body vessel at a treatment site that includes a tubular body of graft material having circumferential crimps with alternative troughs and crests along its length, and a stent system comprising a plurality of circumferential turns which are attached at the crest. | 11-12-2015 |
20160000589 | Stent System With Abutable C-Shaped Body Sections For Use in a Bifurcated Body Vessel - A bifurcation stent system includes a pair of self-expanding stents. Each stent has a C-shaped body section having a generally semicircular cross-section along its length and an O-shaped body section having a circular cross-section along its length. The stents are deployed in vivo such that the edges of the C-shaped body sections abut each other to form a tubular scaffold in a Y-shaped formation that conforms to the bifurcation. In order to connect the stents in vivo, the C-shaped body sections are configured to include a ball and socket connection there between. The C-shaped body sections align and abut to form a tubular scaffold that extends in the main vessel of the bifurcation, while the O-shaped body sections are tubular scaffolds that extend into the respective branch legs of the bifurcation. | 01-07-2016 |
20160030209 | MULTI-COMPONENT STENT-GRAFT SYSTEM FOR AORTIC DISSECTIONS - A generally tubular stent-graft ( | 02-04-2016 |
20160184115 | SUPPORT STRUCTURES FOR PROSTHESES WITH BRANCHING PORTIONS - The present embodiments provide an endoluminal prosthesis, comprising a prosthetic trunk and a prosthetic branch, each comprising proximal and distal ends and a lumen extending therebetween. The proximal end of the prosthetic branch is secured around an aperture formed in a side surface of the prosthetic trunk. A support structure is coupled to the prosthetic branch. In certain embodiments, a proximal end of the support structure comprises a first width, and a distal end of the support structure comprises a second width, wherein the first width is less than the second width. | 06-30-2016 |
20160193032 | BRANCHED STENT GRAFT DEVICE AND DEPLOYMENT | 07-07-2016 |