Patents by Inventor Stuart Kari
Stuart Kari has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 11771554Abstract: A transcatheter valve prosthesis includes a stent and a prosthetic valve disposed within the stent. The stent is balloon expandable and includes an inflow portion, an outflow portion, and a transition portion extending between the inflow portion and the outflow portion. A diameter of an inflow end of the transcatheter valve prosthesis is greater than a diameter of an outflow end of the transcatheter valve prosthesis. The transcatheter valve prosthesis has a tapered profile along an entire height thereof when in the stent is in the expanded configuration. The inflow end of the transcatheter valve prosthesis is configured to sit within and contact an aortic annulus of the native aortic valve and the outflow end of the transcatheter valve prosthesis being configured to float within an ascending aorta without contacting the ascending aorta due to the tapered profile of the transcatheter valve prosthesis.Type: GrantFiled: May 14, 2020Date of Patent: October 3, 2023Assignee: MEDTRONIC, INC.Inventors: Justin Peterson, Tracey Tien, Michael Krivoruchko, Yas Neuberger, Stuart Kari, Justin Goshgarian
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Publication number: 20230263623Abstract: A transcatheter valve prosthesis includes a stent and a prosthetic valve. The prosthetic valve is configured to substantially block blood flow in one direction to regulate blood flow through a central lumen of the stent. The stent includes an inflow portion, an outflow portion, and a transition portion extending between the inflow portion and the outflow portion. The transition portion includes a plurality of axial frame members extending between the inflow portion and the outflow portion. Each axial frame member extends in an axial direction from a crown of the inflow portion to at least a crown of the outflow portion. Each axial frame member has a first end adjacent to the crown of the inflow portion, the first end having a reduced width relative to a width of a length of the axial frame member between the first end and the crown of the outflow portion.Type: ApplicationFiled: August 3, 2021Publication date: August 24, 2023Inventors: Justin PETERSON, Stuart KARI, Shahnaz JAVANI, Genevieve FARRAR, Syed ASKARI
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Publication number: 20230248516Abstract: A transcatheter valve prosthesis includes a balloon expandable stent and a prosthetic valve. An inflow portion of the stent includes a plurality of crowns and a plurality of struts with each crown being formed between a pair of opposing struts. Endmost inflow side openings and endmost inflow crowns are formed at the inflow end of the stent and the inflow end of the stent has a total of twelve endmost inflow crowns. An outflow portion of the stent includes a plurality of crowns and a plurality of struts with each crown being formed between a pair of opposing struts. Endmost outflow crowns are formed at the outflow end of the stent and the outflow end of the stent has a total of six endmost outflow crowns. The prosthetic valve is disposed within and secured to the stent.Type: ApplicationFiled: April 14, 2023Publication date: August 10, 2023Inventors: Justin PETERSON, Stuart KARI, Michael KRIVORUCHKO, Matthew BALDWIN, Finn RINNE
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Patent number: 11648109Abstract: A transcatheter valve prosthesis includes a balloon expandable stent and a prosthetic valve. An inflow portion of the stent includes a plurality of crowns and a plurality of struts with each crown being formed between a pair of opposing struts. Endmost inflow side openings and endmost inflow crowns are formed at the inflow end of the stent and the inflow end of the stent has a total of twelve endmost inflow crowns. An outflow portion of the stent includes a plurality of crowns and a plurality of struts with each crown being formed between a pair of opposing struts. Endmost outflow crowns are formed at the outflow end of the stent and the outflow end of the stent has a total of six endmost outflow crowns. The prosthetic valve is disposed within and secured to the stent.Type: GrantFiled: January 31, 2020Date of Patent: May 16, 2023Assignee: MEDTRONIC, INC.Inventors: Justin Peterson, Justin Goshgarian, Stuart Kari, Tracey Tien, Michael Krivoruchko, Yas Neuberger
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Publication number: 20230028648Abstract: A transcatheter valve prosthesis includes a stent and a prosthetic valve. The stent is mechanically or balloon expandable. The stent has an inflow portion and an outflow portion. The inflow portion includes a plurality of side openings defined by a plurality of crowns and a plurality of struts. The outflow portion has three circumferentially spaced apart commissure posts. The prosthetic valve is disposed within and secured to at least the outflow portion of the stent. The prosthetic valve is configured to block blood flow in one direction to regulate blood flow through a central lumen of the stent. The commissure posts are configured to flex or bend flex radially inwardly to reduce stresses observed during valve loading and thereby improve or increase tissue durability of the prosthetic valve.Type: ApplicationFiled: October 19, 2020Publication date: January 26, 2023Inventors: Yas NEUBERGER, Salvador AVELAR, Shahnaz JAVANI, Stuart KARI, Richard KLEIN
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Publication number: 20210275298Abstract: A transcatheter valve prosthesis includes a stent and a prosthetic valve. The stent includes an inflow portion, an outflow portion, and a transition portion extending between the inflow portion and the outflow portion. The transition portion includes a plurality of axial frame members, and three of the plurality of the axial frame members are commissure posts. At least two of the plurality of the axial frame members are commissure posts having a first end connected to a crown of the inflow portion and an unattached second end disposed within the outflow portion such that a pair of struts of the outflow portion intersect each commissure post at a mid-portion thereof. The prosthetic valve is configured to substantially block blood flow in one direction to regulate blood flow through a central lumen of the stent.Type: ApplicationFiled: February 26, 2021Publication date: September 9, 2021Inventors: Justin PETERSON, Stuart KARI, Shahnaz JAVANI, Genevieve FARRAR, Syed ASKARI, Alkindi KIBRIA, Karl OLNEY, Kshitija GARDE, Justin GOSHGARIAN, Tracey TIEN, Yas NEUBERGER, Matthew BALDWIN, Finn RINNE, Michael KRIVORUCHKO, Ethan KORNGOLD, Mark CASLEY
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Publication number: 20200360134Abstract: A transcatheter valve prosthesis includes a stent and a prosthetic valve disposed within the stent. The stent is balloon expandable and includes an inflow portion, an outflow portion, and a transition portion extending between the inflow portion and the outflow portion. A diameter of an inflow end of the transcatheter valve prosthesis is greater than a diameter of an outflow end of the transcatheter valve prosthesis. The transcatheter valve prosthesis has a tapered profile along an entire height thereof when in the stent is in the expanded configuration. The inflow end of the transcatheter valve prosthesis is configured to sit within and contact an aortic annulus of the native aortic valve and the outflow end of the transcatheter valve prosthesis being configured to float within an ascending aorta without contacting the ascending aorta due to the tapered profile of the transcatheter valve prosthesis.Type: ApplicationFiled: May 14, 2020Publication date: November 19, 2020Inventors: Justin PETERSON, Tracey TIEN, Michael KRIVORUCHKO, Yas NEUBERGER, Stuart KARI, Justin GOSHGARIAN
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Publication number: 20200246141Abstract: A transcatheter valve prosthesis includes a balloon expandable stent and a prosthetic valve. An inflow portion of the stent includes a plurality of crowns and a plurality of struts with each crown being formed between a pair of opposing struts. Endmost inflow side openings and endmost inflow crowns are formed at the inflow end of the stent and the inflow end of the stent has a total of twelve endmost inflow crowns. An outflow portion of the stent includes a plurality of crowns and a plurality of struts with each crown being formed between a pair of opposing struts. Endmost outflow crowns are formed at the outflow end of the stent and the outflow end of the stent has a total of six endmost outflow crowns. The prosthetic valve is disposed within and secured to the stent.Type: ApplicationFiled: January 31, 2020Publication date: August 6, 2020Inventors: Justin PETERSON, Justin GOSHGARIAN, Stuart KARI, Tracey TIEN, Michael KRIVORUCHKO, Yas NEUBERGER, Shahnaz JAVANI, Matthew BALDWIN, Finn RINNE
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Patent number: 9486340Abstract: A method for manufacturing a stent includes forming a stent blank from a first material, the stent blank comprising a plurality of struts and a plurality of crowns, each crown connecting at least two struts, and a plurality of slots in at least some of the plurality of struts and/or the plurality of crowns, depositing a second material over outer surfaces of the struts and the crowns and in the slots to encase the stent blank in the second material, creating at least one opening through the second material, and removing the first material to form a stent comprising the second material, the stent having a continuous lumen from one end of the stent to the other end of the stent, the continuous lumen being partitioned in portions corresponding to the locations of the slots in the stent blank. The lumen may then be filled with a therapeutic substance.Type: GrantFiled: March 13, 2014Date of Patent: November 8, 2016Assignee: Medtronic Vascular, Inc.Inventors: Mark Dolan, Stuart Kari, Christopher W. Storment
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Publication number: 20140277382Abstract: A method for manufacturing a stent includes forming a stent blank from a first material, the stent blank comprising a plurality of struts and a plurality of crowns, each crown connecting at least two struts, and a plurality of slots in at least some of the plurality of struts and/or the plurality of crowns, depositing a second material over outer surfaces of the struts and the crowns and in the slots to encase the stent blank in the second material, creating at least one opening through the second material, and removing the first material to form a stent comprising the second material, the stent having a continuous lumen from one end of the stent to the other end of the stent, the continuous lumen being partitioned in portions corresponding to the locations of the slots in the stent blank. The lumen may then be filled with a therapeutic substance.Type: ApplicationFiled: March 13, 2014Publication date: September 18, 2014Applicant: Medtronic Vascular, Inc.Inventors: Mark Dolan, Stuart Kari, Christopher W. Storment
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Patent number: 7147661Abstract: 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: December 20, 2001Date of Patent: December 12, 2006Assignee: Boston Scientific Santa Rosa Corp.Inventors: Michael V. Chobotov, Brian Glynn, Stuart Kari, Maurice Marthaler, Robert Whirley, Isaac Zacharias
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Publication number: 20030120331Abstract: 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: ApplicationFiled: December 20, 2001Publication date: June 26, 2003Applicant: TriVascular, Inc.Inventors: Michael V. Chobotov, Brian Glynn, Stuart Kari, Maurice Marthaler, Robert Whirley, Isaac Zacharias
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Publication number: 20030120338Abstract: 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: ApplicationFiled: March 5, 2002Publication date: June 26, 2003Inventors: Michael V. Chobotov, Brian Glynn, Stuart Kari, Maurice Marthaler, Robert Whirley, Isaac Zacharias