Patents Assigned to TriVascular Inc.
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Patent number: 12016766Abstract: A hybrid modular endovascular graft wherein a main graft is sized to span at least a portion of a target vessel lesion in a large percentage of patients. Graft extensions may be secured to the main graft to extend the main graft and provide a sealing function for some applications.Type: GrantFiled: June 15, 2020Date of Patent: June 25, 2024Assignee: TriVascular, Inc.Inventors: Michael V. Chobotov, Robert G. Whirley, Joseph W. Humphrey
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Patent number: 12016768Abstract: A flexible stent-graft has polymeric, non-textile graft layers with a stent disposed between or among the graft layers while allowing for movement of the stent between or among the layers. The stent includes an undulating wire stent disposed within pockets of non-secured graft portions between graft layers. The stent may be a ribbon stent having a ribbon or ribbons of graft layers.Type: GrantFiled: March 15, 2022Date of Patent: June 25, 2024Assignee: TriVascular, Inc.Inventors: Dale L. Ehnes, Riley King, Irma Tapia, Chris Staudenmayer
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Patent number: 12004980Abstract: Embodiments are directed in part to endovascular prostheses and methods of deploying same. Embodiments may be directed more specifically to stent grafts and methods of positioning and deploying such devices within the body of a patient.Type: GrantFiled: October 8, 2020Date of Patent: June 11, 2024Assignee: TriVascular, Inc.Inventors: Jenine S. Vinluan, William P. Stephens, Mark Geusen, Carl H. Poppe, Christopher L Staudenmayer, Michael V. Chobotov, James R. Watson, Teresa Woodson
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Patent number: 11918498Abstract: A system for internal iliac preservation includes a catheter having a distal catheter portion and a proximal catheter portion; a first guidewire having a proximal portion extending from the proximal catheter portion, a distal portion and a medial portion disposed between the proximal portion and the distal portion; a first outer sheath slidably disposed over distal catheter portion; and an integrated second delivery system disposed within the outer sheath at the distal catheter portion. The integrated second delivery system includes a second guidewire; an expandable stent-graft disposed over a lumen of the second guidewire, and a slidable connector slidably disposed over the medial portion of the first guidewire, where the second guidewire is slidably engaged with the slidable connection to permit movement of the integrated second delivery system along the first guidewire when the first outer sheath is retracted from distal catheter portion.Type: GrantFiled: June 14, 2021Date of Patent: March 5, 2024Assignee: TriVascular, Inc.Inventors: Dale L. Ehnes, Mark Purter, Mark Geusen, Kevin Knoll, Diego Aristizabal
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Patent number: 11779479Abstract: An endovascular delivery system includes a bifurcated and inflatable prosthesis including a main tubular body having an open end and opposed ipsilateral and contralateral legs defining a graft wall therein between. A tether is disposed securably disposed to the contralateral leg, and the contralateral leg is releasably restrained towards the ipsilateral leg tether to prevent undesirable movement of the contralateral leg. A release wire within the endovascular delivery system releasably retains the tether near the ipsilateral leg.Type: GrantFiled: May 6, 2021Date of Patent: October 10, 2023Assignee: TriVascular, Inc.Inventors: Diego Aristizabal, Michael V. Chobotov
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Patent number: 11752021Abstract: Embodiments discussed herein are directed to devices, systems and methods for effectively treating post endovascular procedure complications such as endoleaks within an aneurysm sac. Some embodiments may include a delivery system with an integral aneurysm sac conduit configured for the introduction of materials which may be useful for treating endoleaks or the like.Type: GrantFiled: November 25, 2020Date of Patent: September 12, 2023Assignee: TriVascular, Inc.Inventor: Michael V. Chobotov
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Patent number: 11717391Abstract: 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.Type: GrantFiled: June 30, 2017Date of Patent: August 8, 2023Assignee: TriVascular, Inc.Inventor: Michael V. Chobotov
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Patent number: 11510774Abstract: Thin PTFE layers are described having little or no node and fibril microstructure and methods of manufacturing PTFE layers are disclosed that allow for controllable permeability and porosity of the layers. In some embodiments, the PTFE layers may act as a barrier layer in an endovascular graft or other medical device.Type: GrantFiled: December 8, 2020Date of Patent: November 29, 2022Assignee: TriVascular, Inc.Inventors: Joseph W. Humphrey, Jeffrey B. Skiba
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Patent number: 11439497Abstract: This invention is a system for the treatment of body passageways; in particular, vessels with vascular disease. The system includes an endovascular graft with a low-profile delivery configuration and a deployed configuration in which it conforms to the morphology of the vessel or body passageway to be treated as well as various connector members and stents. The graft is made from an inflatable graft body section and may be bifurcated. One or more inflatable cuffs may be disposed at either end of the graft body section. At least one inflatable channel is disposed between and in fluid communication with the inflatable cuffs.Type: GrantFiled: November 12, 2019Date of Patent: September 13, 2022Assignee: TriVascular, Inc.Inventors: Michael V. Chobotov, Robert G. Whirley
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Patent number: 11298444Abstract: Hydrogel compositions prepared from amine components and glycidyl ether components are provided which are biocompatible and suitable for use in vivo due, in part, to their excellent stability.Type: GrantFiled: March 11, 2016Date of Patent: April 12, 2022Assignee: TRIVASCULAR, INC.Inventors: Syed H. Askari, Robert G. Whirley
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Patent number: 11123205Abstract: 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.Type: GrantFiled: September 22, 2014Date of Patent: September 21, 2021Assignee: TriVascular, Inc.Inventor: Michael V. Chobotov
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Patent number: 11109989Abstract: Some embodiments relate in part to endovascular prostheses and methods of deploying same. Embodiments may be directed more specifically to stent grafts and methods of making and deploying same within the body of a patient. Stent embodiments may include tapered struts for an even distribution of strain. Stent embodiments may also include portions which are enlarged in a circumferential direction which may be configured to stabilize the stent in a constrained state.Type: GrantFiled: February 5, 2015Date of Patent: September 7, 2021Assignee: TriVascular, Inc.Inventors: Dennis Parsons, Christopher L. Staudenmayer, James R. Watson
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Patent number: 11065097Abstract: Stent-grafts for treating thoracic aortic aneurysms and abdominal aortic aneurysms include graft portions having inflatable channels and graft extensions. The graft extensions include an undulating wire stent and porous, but substantially fluid impermeable, polytetrafluoroethylene (PTFE) graft materials.Type: GrantFiled: June 11, 2018Date of Patent: July 20, 2021Assignee: TriVascular, Inc.Inventors: Sarah Young, Cheng Li, Michael V. Chobotov, Patrick Stephens, Robert G. Whirley
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Patent number: 11033413Abstract: A system for internal iliac preservation includes a catheter having a distal catheter portion and a proximal catheter portion; a first guidewire having a proximal portion extending from the proximal catheter portion, a distal portion and a medial portion disposed between the proximal portion and the distal portion; a first outer sheath slidably disposed over distal catheter portion; and an integrated second delivery system disposed within the outer sheath at the distal catheter portion. The integrated second delivery system includes a second guidewire; an expandable stent-graft disposed over a lumen of the second guidewire, and a slidable connector slidably disposed over the medial portion of the first guidewire, where the second guidewire is slidably engaged with the slidable connection to permit movement of the integrated second delivery system along the first guidewire when the first outer sheath is retracted from distal catheter portion.Type: GrantFiled: April 27, 2018Date of Patent: June 15, 2021Assignee: TriVascular, Inc.Inventors: Dale L. Ehnes, Mark Purter, Mark Geusen, Kevin Knoll, Diego Aristizabal
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Patent number: 11013626Abstract: An endovascular delivery system for an endovascular prosthesis includes a radiopaque marker system for accurate delivery of the prosthesis. The radiopaque marker system is disposed within a prosthesis or stent holder within the delivery system. The radiopaque marker system includes a plurality of radiopaque markers that provide different views rotation of the prosthesis or stent holder.Type: GrantFiled: July 30, 2018Date of Patent: May 25, 2021Assignee: TriVascular, Inc.Inventors: Michael V. Chobotov, Mark Geusen
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Patent number: 11000288Abstract: Described is an inflatable implant suitable for placement in the human body and left there for an indeterminate and potentially lengthy period of time. The implant includes at least one bladder wall. The bladder wall will define at least one fillable volume and may form more than one independent fillable volumes. The wall and filler material may be selected to deliver treatment materials to the locale of the implant site or to remove amounts of harmful materials from such a region. The implant may, with an appropriate filler material or bladder wall material, be used in cooperation with an appropriate radio frequency (RF) source to cause the increase of a localized internal temperature and a resulting tissue change such as coagulation, ablation, or the like. Methods of using the implant are also described.Type: GrantFiled: February 11, 2019Date of Patent: May 11, 2021Assignee: TriVascular, Inc.Inventors: W. Patrick Stephens, Gerald Ray Martin
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Patent number: 11000390Abstract: An endovascular delivery system includes a bifurcated and inflatable prosthesis including a main tubular body having an open end and opposed ipsilateral and contralateral legs defining a graft wall therein between. A tether is disposed securably disposed to the contralateral leg, and the contralateral leg is releasably restrained towards the ipsilateral leg tether to prevent undesirable movement of the contralateral leg. A release wire within the endovascular delivery system releasably retains the tether near the ipsilateral leg.Type: GrantFiled: February 4, 2019Date of Patent: May 11, 2021Assignee: TriVascular, Inc.Inventors: Diego Aristizabal, Michael V. Chobotov
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Patent number: 10987238Abstract: An endovascular delivery system an elongate outer tubular sheath, an elongate inner tubular member releasably disposed within the elongate outer tubular sheath and an elongate crossover guidewire slidably disposed within the elongate outer tubular sheath.Type: GrantFiled: April 19, 2017Date of Patent: April 27, 2021Assignee: TriVascular, Inc.Inventors: William Patrick Stephens, Michael V. Chobotov
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Patent number: 10918507Abstract: Some embodiments relate in part to endovascular prostheses and delivery catheter systems and methods for deploying same. Embodiments may be directed more specifically to graft bodies having self-expanding members, including inflatable graft bodies, and catheters and methods for deploying same within the body of a patient.Type: GrantFiled: October 19, 2016Date of Patent: February 16, 2021Assignee: TriVascular, Inc.Inventors: James R. Watson, Cheng Li, Reva Morehous, Teresa Woodson, Michael V. Chobotov, Carl H. Poppe
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Patent number: 10864070Abstract: Thin PTFE layers are described having little or no node and fibril microstructure and methods of manufacturing PTFE layers are disclosed that allow for controllable permeability and porosity of the layers. In some embodiments, the PTFE layers may act as a barrier layer in an endovascular graft or other medical device.Type: GrantFiled: August 30, 2016Date of Patent: December 15, 2020Assignee: TriVascular, Inc.Inventors: Joseph W. Humphrey, Jeffrey B. Skiba