Patents by Inventor Sounthara Khouengboua
Sounthara Khouengboua 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: 11219521Abstract: A prosthetic heart valve for replacing a native valve includes a collapsible and expandable stent having a proximal end and a distal end, and a valve assembly including a plurality of leaflets, the valve assembly being disposed within the stent. The heart valve further includes a first plurality of elongated legs coupled to the stent and transitionable from an extended configuration to a relaxed configuration. A first sealing portion connected to the first plurality of legs forms a sealing structure when the legs transition to the relaxed configuration to reduce perivalvular leakage between the implanted valve and surrounding tissue.Type: GrantFiled: December 17, 2019Date of Patent: January 11, 2022Assignee: St. Jude Medical, Cardiology Division, Inc.Inventors: Yousef F. Alkhatib, Tracee Eidenschink, Sounthara Khouengboua
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Publication number: 20210275297Abstract: A collapsible and expandable prosthetic mitral valve stent is provided with improved recapture into a distal lumen of a delivery sheath. Various embodiments comprise a valve support within the interior of a stent frame and defining a flow channel therethrough, wherein the top or upstream of the valve support comprises a row, or a plurality, of stent cells that are bent radially inward at least partially over the flow channel. Some embodiments may comprise a recapture assist mechanism, such as an open paddle, attached to one or more of the inwardly bent stent cells and adapted to receive and/or engage a wire to aid in positioning, expansion, recapture and/or implanting the device in a patient's heart chamber.Type: ApplicationFiled: December 4, 2020Publication date: September 9, 2021Inventors: Jonathan Berndt, Sounthara Khouengboua, Saravana Kumar
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Patent number: 11007054Abstract: A prosthetic heart valve for replacing a native valve includes a collapsible and expandable stent extending between a proximal end and a distal end. The stent includes an annulus section adjacent the proximal end and having a first diameter, a plurality of first struts forming cells, and a plurality of second struts connected to the annulus section and forming a plurality of deflecting cells expandable to define a second diameter larger than the first diameter. A valve assembly is disposed within the stent and a cuff is coupled to the stent and covers the plurality of deflecting cells.Type: GrantFiled: August 23, 2018Date of Patent: May 18, 2021Assignee: St. Jude Medical, Cardiology Division, Inc.Inventors: Peter N. Braido, Kent J. Smith, Andrea L. McCarthy, Andrea N. Para, Sounthara Khouengboua, Thomas M. Benson, Saravana B. Kumar, Bruce Moseman, Gaurav Satam
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Publication number: 20200375733Abstract: A loading, delivery, deployment and positioning system for a prosthetic heart valve device includes a stent that is biased to expand and adapted to collapse into the lumen of a delivery catheter. A torque wire of the system includes a distal threaded region, has length that is longer than a length of the delivery catheter, and is adapted for movement within the delivery catheter lumen. A stent cap is non-rotationally attached at or near the top of the stent and defines a channel and a pair of lateral locking grooves therethrough. A male engagement member of the system includes a threaded region adapted to threadingly engage the threaded region of the torque wire, a stem region extending distally from the threaded region; and engagement handles extending laterally from a distal end of the stem region, the engagement handles being adapted to detachably engage the stent cap.Type: ApplicationFiled: May 19, 2020Publication date: December 3, 2020Inventors: Jason S. Diedering, Sounthara Khouengboua, Saravana B. Kumar
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Publication number: 20200138574Abstract: A prosthetic heart valve for replacing a native valve includes a collapsible and expandable stent having a proximal end and a distal end, and a valve assembly including a plurality of leaflets, the valve assembly being disposed within the stent. The heart valve further includes a first plurality of elongated legs coupled to the stent and transitionable from an extended configuration to a relaxed configuration. A first sealing portion connected to the first plurality of legs forms a sealing structure when the legs transition to the relaxed configuration to reduce perivalvular leakage between the implanted valve and surrounding tissue.Type: ApplicationFiled: December 17, 2019Publication date: May 7, 2020Applicant: St. Jude Medical, Cardiology Division, Inc.Inventors: Yousef F. Alkhatib, Tracee Eidenschink, Sounthara Khouengboua
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Patent number: 10548725Abstract: A prosthetic heart valve for replacing a native valve includes a collapsible and expandable stent having a proximal end and a distal end, and a valve assembly including a plurality of leaflets, the valve assembly being disposed within the stent. The heart valve further includes a first plurality of elongated legs coupled to the stent and transitionable from an extended configuration to a relaxed configuration. A first sealing portion connected to the first plurality of legs forms a sealing structure when the legs transition to the relaxed configuration to reduce perivalvular leakage between the implanted valve and surrounding tissue.Type: GrantFiled: December 8, 2017Date of Patent: February 4, 2020Assignee: St. Jude Medical, Cardiology Division, Inc.Inventors: Yousef F. Alkhatib, Tracee Eidenschink, Sounthara Khouengboua
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Patent number: 10390950Abstract: A delivery device for a collapsible prosthetic heart valve includes an inner shaft having a proximal end and a distal end, an outer shaft disposed around the inner shaft and longitudinally moveable relative to the inner shaft, and a distal sheath disposed about a portion of the inner shaft and forming a compartment with the inner shaft, the compartment being adapted to receive the prosthetic heart valve. At least one of the outer shaft or the distal sheath may have a pattern of cutouts formed therein, the pattern including at least one ring around a circumference of the at least one of the outer shaft or the distal sheath, the at least one ring having at least one of the cutouts.Type: GrantFiled: September 24, 2015Date of Patent: August 27, 2019Assignee: St. Jude Medical, Cardiology Division, Inc.Inventors: Ralph Joseph Thomas, Sounthara Khouengboua, Thomas Mark Benson, Brett Allen Hillukka
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Patent number: 10363131Abstract: A method of implanting a stented device in a cardiovascular system of a mammalian subject includes guiding a delivery device that has an anchoring device connected to a distal end thereof within the cardiovascular system to a target location. The anchoring device has a body and a mooring feature extending from the body. The anchoring device is anchored at the target location by penetrating tissue at the target location with the mooring feature. The mooring feature is configured to anchor the body to the tissue when penetrated therein. The stented device is then guided through the cardiovascular system to the target location and deployed such that a stent of the stented device engages the anchoring device so as to restrict movement of the stented device within the cardiovascular system.Type: GrantFiled: August 3, 2017Date of Patent: July 30, 2019Assignee: St. Jude Medical, Cardiology Division, Inc.Inventors: Tracee Eidenschink, Ryan Buesseler, Sounthara Khouengboua
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Patent number: 10299926Abstract: A prosthetic heart valve includes a collapsible and expandable stent extending from an inflow end to an outflow end and a plurality of prosthetic valve leaflets coupled to the stent. The prosthetic heart valve may also include a sealing ring coupled to the inflow end of the stent, the sealing ring comprising a tube extending circumferentially around the inflow end of the stent. The tube may be formed from a wire coiled into a repeating shape, such as a rectangle or a diamond, so that the tube is collapsible. A covering may at least partially surround the tube. The sealing ring may include a first filler positioned within the tube and/or a second filler positioned between the tube and the covering.Type: GrantFiled: April 27, 2018Date of Patent: May 28, 2019Assignee: St. Jude Medical, Cardiology Division, Inc.Inventors: Kristen T. Morin, Andrea N. Para, Peter N. Braido, Sounthara Khouengboua, Thomas M. Benson, Saravana B. Kumar, Bruce Moseman, Gaurav Satam
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Publication number: 20190000617Abstract: A prosthetic heart valve for replacing a native valve includes a collapsible and expandable stent extending between a proximal end and a distal end. The stent includes an annulus section adjacent the proximal end and having a first diameter, a plurality of first struts forming cells, and a plurality of second struts connected to the annulus section and forming a plurality of deflecting cells expandable to define a second diameter larger than the first diameter. A valve assembly is disposed within the stent and a cuff is coupled to the stent and covers the plurality of deflecting cells.Type: ApplicationFiled: August 23, 2018Publication date: January 3, 2019Applicant: St. Jude Medical, Cardiology Division, Inc.Inventors: Peter N. Braido, Kent J. Smith, Andrea L. McCarthy, Andrea N. Para, Sounthara Khouengboua, Thomas M. Benson, Saravana B. Kumar, Bruce Moseman, Gaurav Satam
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Patent number: 10117743Abstract: A prosthetic heart valve (300) for replacing a native heart valve includes a collapsible and expandable stent (306) extending in a length direction between a proximal end (302) and a distal end (304), the stent (306) including a plurality of struts (320) defining a plurality of cells (330), the plurality of cells (330) forming an aortic section (310), an annulus section (314) and a subannular section (316) of the stent (306). A valve assembly is disposed within the annulus section (314) of the stent (306), the valve assembly including a plurality of leaflets. In an expanded condition of the stent, each of the plurality of cells of the subannular section (316) has a width greater than its length, and each of the plurality of cells of the annulus section (314) has a length greater than its width.Type: GrantFiled: June 27, 2014Date of Patent: November 6, 2018Assignee: St. Jude Medical, Cardiology Division, Inc.Inventors: Saravana B. Kumar, Sounthara Khouengboua
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Publication number: 20180243090Abstract: A prosthetic heart valve includes a collapsible and expandable stent extending from an inflow end to an outflow end and a plurality of prosthetic valve leaflets coupled to the stent. The prosthetic heart valve may also include a sealing ring coupled to the inflow end of the stent, the sealing ring comprising a tube extending circumferentially around the inflow end of the stent. The tube may be formed from a wire coiled into a repeating shape, such as a rectangle or a diamond, so that the tube is collapsible. A covering may at least partially surround the tube. The sealing ring may include a first filler positioned within the tube and/or a second filler positioned between the tube and the covering.Type: ApplicationFiled: April 27, 2018Publication date: August 30, 2018Applicant: St. Jude Medical, Cardiology Division, Inc.Inventors: Kristen T. Morin, Andrea N. Para, Peter N. Braido, Sounthara Khouengboua, Thomas M. Benson, Saravana B. Kumar, Bruce Moseman, Gaurav Satam
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Patent number: 10028831Abstract: A prosthetic heart valve includes a collapsible and expandable stent extending from an inflow end to an outflow end and a plurality of prosthetic valve leaflets coupled to the stent. The prosthetic heart valve may also include a sealing ring coupled to the inflow end of the stent, the sealing ring comprising a tube extending circumferentially around the inflow end of the stent. The tube may be formed from a wire coiled into a repeating shape, such as a rectangle or a diamond, so that the tube is collapsible. A covering may at least partially surround the tube. The sealing ring may include a first filler positioned within the tube and/or a second filler positioned between the tube and the covering.Type: GrantFiled: May 4, 2017Date of Patent: July 24, 2018Assignee: St. Jude Medical, Cardiology Division, Inc.Inventors: Kristen T. Morin, Andrea N. Para, Peter N. Braido, Sounthara Khouengboua, Thomas M. Benson, Saravana B. Kumar, Bruce Moseman, Gaurav Satam
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Publication number: 20180104053Abstract: A prosthetic heart valve for replacing a native valve includes a collapsible and expandable stent having a proximal end and a distal end, and a valve assembly including a plurality of leaflets, the valve assembly being disposed within the stent. The heart valve further includes a first plurality of elongated legs coupled to the stent and transitionable from an extended configuration to a relaxed configuration. A first sealing portion connected to the first plurality of legs forms a sealing structure when the legs transition to the relaxed configuration to reduce perivalvular leakage between the implanted valve and surrounding tissue.Type: ApplicationFiled: December 8, 2017Publication date: April 19, 2018Applicant: St. Jude Medical, Cardiology Division, Inc.Inventors: Yousef F. Alkhatib, Tracee Eidenschink, Sounthara Khouengboua
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Patent number: 9867697Abstract: A prosthetic heart valve (300) for replacing a native valve includes a collapsible and expandable stent (306) having a proximal end (302) and a distal end (304), and a valve assembly (308) including a plurality of leaflets (310), the valve assembly (308) being disposed within the stent. The heart valve (300) further includes a first plurality of elongated legs (320) coupled to the stent (306) and transitionable from an extended configuration to a relaxed configuration. A first sealing portion (322) connected to the first plurality of legs (320) forms a sealing structure (350) when the legs (320) transition to the relaxed configuration to reduce perivalvular leakage between the implanted valve and surrounding tissue.Type: GrantFiled: July 2, 2013Date of Patent: January 16, 2018Assignee: St. Jude Medical, Cardiology Division, Inc.Inventors: Yousef F. Alkhatib, Tracee Eidenschink, Sounthara Khouengboua
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Publication number: 20170325947Abstract: A method of implanting a stented device in a cardiovascular system of a mammalian subject includes guiding a delivery device that has an anchoring device connected to a distal end thereof within the cardiovascular system to a target location. The anchoring device has a body and a mooring feature extending from the body. The anchoring device is anchored at the target location by penetrating tissue at the target location with the mooring feature. The mooring feature is configured to anchor the body to the tissue when penetrated therein. The stented device is then guided through the cardiovascular system to the target location and deployed such that a stent of the stented device engages the anchoring device so as to restrict movement of the stented device within the cardiovascular system.Type: ApplicationFiled: August 3, 2017Publication date: November 16, 2017Applicant: St. Jude Medical, Cardiology Division, Inc.Inventors: Tracee Eidenschink, Ryan Buesseler, Sounthara Khouengboua
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Patent number: 9763778Abstract: An anchoring device for use within a cardiovascular structure includes an expandable ring having a central axis extending in a longitudinal direction. At least one leg extends from the ring in the longitudinal direction. The leg includes a first end connected to the ring and a free end, with at least one anchor connected to the leg. The anchoring device may be used to anchor a transcatheter heart valve within the cardiovascular structure.Type: GrantFiled: March 17, 2015Date of Patent: September 19, 2017Assignee: St. Jude Medical, Cardiology Division, Inc.Inventors: Tracee Eidenschink, Ryan Buesseler, Sounthara Khouengboua
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Publication number: 20170231764Abstract: A prosthetic heart valve includes a collapsible and expandable stent extending from an inflow end to an outflow end and a plurality of prosthetic valve leaflets coupled to the stent. The prosthetic heart valve may also include a sealing ring coupled to the inflow end of the stent, the sealing ring comprising a tube extending circumferentially around the inflow end of the stent. The tube may be formed from a wire coiled into a repeating shape, such as a rectangle or a diamond, so that the tube is collapsible. A covering may at least partially surround the tube. The sealing ring may include a first filler positioned within the tube and/or a second filler positioned between the tube and the covering.Type: ApplicationFiled: May 4, 2017Publication date: August 17, 2017Applicant: St. Jude Medical, Cardiology Division, Inc.Inventors: Kristen T. Morin, Andrea N. Para, Peter N. Braido, Sounthara Khouengboua, Thomas M. Benson, Saravana B. Kumar, Bruce Moseman, Gaurav Satam
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Patent number: 9668858Abstract: A prosthetic heart valve includes a collapsible and expandable stent extending from an inflow end to an outflow end and a plurality of prosthetic valve leaflets coupled to the stent. The prosthetic heart valve may also include a sealing ring coupled to the inflow end of the stent, the sealing ring comprising a tube extending circumferentially around the inflow end of the stent. The tube may be formed from a wire coiled into a repeating shape, such as a rectangle or a diamond, so that the tube is collapsible. A covering may at least partially surround the tube. The sealing ring may include a first filler positioned within the tube and/or a second filler positioned between the tube and the covering.Type: GrantFiled: May 12, 2015Date of Patent: June 6, 2017Assignee: St. Jude Medical, Cardiology Division, Inc.Inventors: Kristen T. Morin, Andrea N. Para, Peter N. Braido, Sounthara Khouengboua, Thomas M. Benson, Saravana B. Kumar, Bruce Moseman, Gaurav Satam
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Publication number: 20160158004Abstract: A prosthetic heart valve (300) for replacing a native heart valve includes a collapsible and expandable stent (306) extending in a length direction between a proximal end (302) and a distal end (304), the stent (306) including a plurality of struts (320) defining a plurality of cells (330), the plurality of cells (330) forming an aortic section (310), an annulus section (314) and a subannular section (316) of the stent (306). A valve assembly is disposed within the annulus section (314) of the stent (306), the valve assembly including a plurality of leaflets. In an expanded condition of the stent, each of the plurality of cells of the subannular section (316) has a width greater than its length, and each of the plurality of cells of the annulus section (314) has a length greater than its width.Type: ApplicationFiled: June 27, 2014Publication date: June 9, 2016Applicant: St. Jude Medical, Cardiology Division, Inc.Inventors: Saravana B. Kumar, Sounthara Khouengboua