Patents by Inventor Ralph Joseph Thomas
Ralph Joseph Thomas 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).
-
Publication number: 20230200992Abstract: A delivery device for an implantable medical device having a retention member at an end thereof may include a shaft extending in a longitudinal direction and defining a longitudinal axis, an elongated sheath surrounding a longitudinal portion of the shaft, a compartment defined inside the sheath and adapted to receive the medical device in an assembled condition, a retainer positioned at one end of the compartment, and an energy storage element positioned on the longitudinal portion of the shaft and configured to be radially compressed by the medical device when the elongated sheath covers the compartment containing the medical device. The sheath may be slidable relative to the shaft in the longitudinal direction. The retainer may include a recess adapted to receive the retention member of the medical device in the assembled condition.Type: ApplicationFiled: February 23, 2023Publication date: June 29, 2023Applicant: St. Jude Medical, Cardiology Division, Inc.Inventors: Valerie J. Glazier, Ralph Joseph Thomas, Khoi Le
-
Patent number: 11612483Abstract: A delivery device for an implantable medical device having a retention member at an end thereof may include a shaft extending in a longitudinal direction and defining a longitudinal axis, an elongated sheath surrounding a longitudinal portion of the shaft, a compartment defined inside the sheath and adapted to receive the medical device in an assembled condition, a retainer positioned at one end of the compartment, and an energy storage element positioned on the longitudinal portion of the shaft and configured to be radially compressed by the medical device when the elongated sheath covers the compartment containing the medical device. The sheath may be slidable relative to the shaft in the longitudinal direction. The retainer may include a recess adapted to receive the retention member of the medical device in the assembled condition.Type: GrantFiled: April 28, 2021Date of Patent: March 28, 2023Assignee: St. Jude Medical, Cardiology Division, Ine.Inventors: Valerie J. Glazier, Ralph Joseph Thomas, Khoi Le
-
Patent number: 11517433Abstract: A delivery device for a collapsible heart valve includes an operating handle and a catheter assembly. The operating handle includes a frame defining a movement space therein, a carriage assembly moveable in a longitudinal direction within the movement space, and a coupler having locked and unlocked conditions, the coupler being operatively connected to the carriage assembly for movement therewith. The catheter assembly includes a shaft around which a valve-receiving compartment is defined, the shaft being operatively connected to one of the frame or the carriage assembly, and a distal sheath operatively connected to the carriage assembly for movement therewith between a closed condition adapted to maintain the valve in the compartment and an open condition adapted to fully deploy the valve.Type: GrantFiled: December 20, 2019Date of Patent: December 6, 2022Assignee: St. Jude Medical, Cardiology Division, Inc.Inventors: Bradley Charles Knippel, Huisun Wang, Ralph Joseph Thomas, Jacob John Daly
-
Publication number: 20210244537Abstract: A delivery device for an implantable medical device having a retention member at an end thereof may include a shaft extending in a longitudinal direction and defining a longitudinal axis, an elongated sheath surrounding a longitudinal portion of the shaft, a compartment defined inside the sheath and adapted to receive the medical device in an assembled condition, a retainer positioned at one end of the compartment, and an energy storage element positioned on the longitudinal portion of the shaft and configured to be radially compressed by the medical device when the elongated sheath covers the compartment containing the medical device. The sheath may be slidable relative to the shaft in the longitudinal direction. The retainer may include a recess adapted to receive the retention member of the medical device in the assembled condition.Type: ApplicationFiled: April 28, 2021Publication date: August 12, 2021Applicant: St. Jude Medical, Cardiology Division, Inc.Inventors: Valerie J. Glazier, Ralph Joseph Thomas, Khoi Le
-
Patent number: 11026789Abstract: A delivery device for an implantable medical device having a retention member at an end thereof may include a shaft extending in a longitudinal direction and defining a longitudinal axis, an elongated sheath surrounding a longitudinal portion of the shaft, a compartment defined inside the sheath and adapted to receive the medical device in an assembled condition, a retainer positioned at one end of the compartment, and an energy storage element positioned on the longitudinal portion of the shaft and configured to be radially compressed by the medical device when the elongated sheath covers the compartment containing the medical device. The sheath may be slidable relative to the shaft in the longitudinal direction. The retainer may include a recess adapted to receive the retention member of the medical device in the assembled condition.Type: GrantFiled: March 14, 2018Date of Patent: June 8, 2021Assignee: St. Jude Medical, Cardiology Division, Inc.Inventors: Valerie J. Glazier, Ralph Joseph Thomas, Khoi A. Le
-
Patent number: 10874510Abstract: A prosthetic heart valve may include a collapsible and expandable stent having a proximal end, a distal end, an annulus section adjacent the proximal end, and a plurality of cells connected to one another in annular rows around the stent, a cuff attached to the stent, and a sealing member attached to the cuff and extending from a proximal end of the cuff to a free edge. The sealing member may be movable between an extended condition in which the free edge is located proximally of the proximal end of the stent, and an inverted condition in which the free edge is located distally of the proximal end of the stent and a first surface of the sealing member confronts an outward-facing surface of the cuff. Various mechanisms for moving the sealing member are also described.Type: GrantFiled: October 30, 2018Date of Patent: December 29, 2020Assignee: St. Jude Medical, Cardiology Division, Inc.Inventors: Peter N. Braido, Yousef F. Alkhatib, Steven Frederick Anderl, Jacob John Daly, Mina S. Fahim, Kent J. Smith, Ralph Joseph Thomas
-
Patent number: 10758351Abstract: A delivery device for a collapsible prosthetic heart valve includes an operating handle and a catheter assembly. The operating handle may include a housing defining a movement space therein, a carriage assembly moveable in a longitudinal direction within the movement space, a deployment actuator coupled to the housing and rotatable relative to the housing, and a coupling assembly rotationally fixed to the deployment actuator. The catheter assembly may include a first shaft around which a compartment is defined and a distal sheath operatively connected to the carriage assembly. Movement of the carriage assembly in the longitudinal direction in the movement space may move the distal sheath between the closed condition and the open condition. The coupling assembly may have an engaged position in which rotation of the deployment actuator moves the carriage assembly, and a disengaged position in which rotation of the deployment actuator does not move the carriage assembly.Type: GrantFiled: November 28, 2017Date of Patent: September 1, 2020Assignee: St. Jude Medical, Cardiology Division, Inc.Inventors: Benjamin E. Morris, Eric E. Bielefeld, Gregory R. Furnish, Ralph Joseph Thomas, Khoi A. Le, Bradley Charles Knippel, Valerie J. Glazier
-
Publication number: 20200121459Abstract: A delivery device for a collapsible heart valve includes an operating handle and a catheter assembly. The operating handle includes a frame defining a movement space therein, a carriage assembly moveable in a longitudinal direction within the movement space, and a coupler having locked and unlocked conditions, the coupler being operatively connected to the carriage assembly for movement therewith. The catheter assembly includes a shaft around which a valve-receiving compartment is defined, the shaft being operatively connected to one of the frame or the carriage assembly, and a distal sheath operatively connected to the carriage assembly for movement therewith between a closed condition adapted to maintain the valve in the compartment and an open condition adapted to fully deploy the valve.Type: ApplicationFiled: December 20, 2019Publication date: April 23, 2020Applicant: St. Jude Medical, Cardiology Division, Inc.Inventors: Bradley Charles Knippel, Huisun Wang, Ralph Joseph Thomas, Jacob John Daly
-
Patent number: 10603166Abstract: A delivery device may generally include a support member, a distal sheath, an outer shaft and a straightening member. The support member is adapted to hold a prosthetic heart valve. The distal sheath is slidable relative to the support member between a first position in which the distal sheath is adapted to maintain the prosthetic heart valve in a collapsed condition, and a second position in which the distal sheath is adapted to expose the prosthetic heart valve. The outer shaft is connected to the distal sheath and has a curved portion. The straightening member is slidable on the outer shaft between a proximal position in which the straightening member does not cover the curved portion of the outer shaft, and a distal position in which the straightening member covers and substantially straightens at least a portion of the curved portion of the outer shaft.Type: GrantFiled: September 16, 2011Date of Patent: March 31, 2020Assignee: St. Jude Medical, Cardiology Division, Inc.Inventors: Huisun Wang, Ralph Joseph Thomas
-
Patent number: 10517723Abstract: A delivery device for a collapsible heart valve includes an operating handle and a catheter assembly. The operating handle includes a frame defining a movement space therein, a carriage assembly moveable in a longitudinal direction within the movement space, and a coupler having locked and unlocked conditions, the coupler being operatively connected to the carriage assembly for movement therewith. The catheter assembly includes a shaft around which a valve-receiving compartment is defined, the shaft being operatively connected to one of the frame or the carriage assembly, and a distal sheath operatively connected to the carriage assembly for movement therewith between a closed condition adapted to maintain the valve in the compartment and an open condition adapted to fully deploy the valve.Type: GrantFiled: April 6, 2017Date of Patent: December 31, 2019Assignee: St. Jude Medical, Cardiology Division, Inc.Inventors: Bradley Charles Knippel, Huisun Wang, Ralph Joseph Thomas, Jacob John Daly
-
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
-
Publication number: 20190060065Abstract: A prosthetic heart valve may include a collapsible and expandable stent having a proximal end, a distal end, an annulus section adjacent the proximal end, and a plurality of cells connected to one another in annular rows around the stent, a cuff attached to the stent, and a sealing member attached to the cuff and extending from a proximal end of the cuff to a free edge. The sealing member may be movable between an extended condition in which the free edge is located proximally of the proximal end of the stent, and an inverted condition in which the free edge is located distally of the proximal end of the stent and a first surface of the sealing member confronts an outward-facing surface of the cuff. Various mechanisms for moving the sealing member are also described.Type: ApplicationFiled: October 30, 2018Publication date: February 28, 2019Applicant: St. Jude Medical, Cardiology Division, Inc.Inventors: Peter N. Braido, Yousef F. Alkhatib, Steven Frederick Anderl, Jacob John Daly, Mina S. Fahim, Kent J. Smith, Ralph Joseph Thomas
-
Patent number: 10130470Abstract: A delivery device (10) for an implantable medical device includes an inner shaft (26) extending in a longitudinal direction and defining a compartment (23) adapted to receive the medical device in an assembled condition, an outer shaft (22) surrounding a longitudinal portion of the inner shaft, and a distal sheath (24) operatively attached to the outer shaft (22). The distal sheath (24) is slidable between a first position enclosing the compartment (23) and a second position exposing the compartment (23) for deployment of the medical device. A sleeve 30 surrounds at least a longitudinal portion of the outer shaft (22) and provides a substantially blood tight bearing surface that facilitates sliding movement of the delivery device (10) in an introducer (2).Type: GrantFiled: August 17, 2011Date of Patent: November 20, 2018Assignee: St. Jude Medical, LLCInventors: Ralph Joseph Thomas, Huisun Wang, Jacob John Daly, Thomas A. Savard
-
Patent number: 10123870Abstract: A transcatheter valve delivery system includes a longitudinal member extending between a proximal end and a distal end, and having a compartment adjacent the distal end for holding a medical device in a collapsed condition. An alignment element is connected to the longitudinal member and is movable relative to the longitudinal member between a stowed position and a deployed position. In the deployed position, the alignment element is configured to urge against an anatomical surface to position the longitudinal member at a desired location relative to the anatomical surface.Type: GrantFiled: July 29, 2014Date of Patent: November 13, 2018Assignee: St. Jude Medical, Cardiology Division, Inc.Inventors: Ralph Joseph Thomas, Aaron J. Chalekian, Gary W. Geiger, Peter J. Ness
-
Publication number: 20180200057Abstract: A delivery device for an implantable medical device having a retention member at an end thereof may include a shaft extending in a longitudinal direction and defining a longitudinal axis, an elongated sheath surrounding a longitudinal portion of the shaft, a compartment defined inside the sheath and adapted to receive the medical device in an assembled condition, a retainer positioned at one end of the compartment, and an energy storage element positioned on the longitudinal portion of the shaft and configured to be radially compressed by the medical device when the elongated sheath covers the compartment containing the medical device. The sheath may be slidable relative to the shaft in the longitudinal direction. The retainer may include a recess adapted to receive the retention member of the medical device in the assembled condition.Type: ApplicationFiled: March 14, 2018Publication date: July 19, 2018Applicant: St. Jude Medical, Cardiology Division, Inc.Inventors: Valerie J. Glazier, Ralph Joseph Thomas, Khoi A. Le
-
Publication number: 20180078369Abstract: A delivery device for a collapsible prosthetic heart valve includes an operating handle and a catheter assembly. The operating handle may include a housing defining a movement space therein, a carriage assembly moveable in a longitudinal direction within the movement space, a deployment actuator coupled to the housing and rotatable relative to the housing, and a coupling assembly rotationally fixed to the deployment actuator. The catheter assembly may include a first shaft around which a compartment is defined and a distal sheath operatively connected to the carriage assembly. Movement of the carriage assembly in the longitudinal direction in the movement space may move the distal sheath between the closed condition and the open condition. The coupling assembly may have an engaged position in which rotation of the deployment actuator moves the carriage assembly, and a disengaged position in which rotation of the deployment actuator does not move the carriage assembly.Type: ApplicationFiled: November 28, 2017Publication date: March 22, 2018Applicant: St. Jude Medical, Cardiology Division, Inc.Inventors: Benjamin E. Morris, Eric E. Bielefeld, Gregory R. Furnish, Ralph Joseph Thomas, Khoi A. Le, Bradley Charles Knippel, Valerie J. Glazier
-
Patent number: 9918837Abstract: A delivery device for an implantable medical device having a retention member at an end thereof may include a shaft extending in a longitudinal direction and defining a longitudinal axis, an elongated sheath surrounding a longitudinal portion of the shaft, a compartment defined inside the sheath and adapted to receive the medical device in an assembled condition, a retainer positioned at one end of the compartment, and an energy storage element positioned on the longitudinal portion of the shaft and configured to be radially compressed by the medical device when the elongated sheath covers the compartment containing the medical device. The sheath may be slidable relative to the shaft in the longitudinal direction. The retainer may include a recess adapted to receive the retention member of the medical device in the assembled condition.Type: GrantFiled: March 8, 2013Date of Patent: March 20, 2018Assignee: St. Jude Medical, Cardiology Division, Inc.Inventors: Valerie J. Glazier, Ralph Joseph Thomas, Khoi Le
-
Patent number: 9867701Abstract: A delivery device for a collapsible prosthetic heart valve includes an operating handle and a catheter assembly. The operating handle may include a housing defining a movement space therein, a carriage assembly moveable in a longitudinal direction within the movement space, a deployment actuator coupled to the housing and rotatable relative to the housing, and a coupling assembly rotationally fixed to the deployment actuator. The catheter assembly may include a first shaft around which a compartment is defined and a distal sheath operatively connected to the carriage assembly. Movement of the carriage assembly in the longitudinal direction in the movement space may move the distal sheath between the closed condition and the open condition. The coupling assembly may have an engaged position in which rotation of the deployment actuator moves the carriage assembly, and a disengaged position in which rotation of the deployment actuator does not move the carriage assembly.Type: GrantFiled: June 12, 2015Date of Patent: January 16, 2018Assignee: St. Jude Medical, Cardiology Division, Inc.Inventors: Benjamin E. Morris, Eric E. Bielefeld, Gregory R. Furnish, Ralph Joseph Thomas, Khoi Le, Bradley Charles Knippel, Valerie J. Glazier
-
Publication number: 20170239045Abstract: A delivery device for a collapsible heart valve includes an operating handle and a catheter assembly. The operating handle includes a frame defining a movement space therein, a carriage assembly moveable in a longitudinal direction within the movement space, and a coupler having locked and unlocked conditions, the coupler being operatively connected to the carriage assembly for movement therewith. The catheter assembly includes a shaft around which a valve-receiving compartment is defined, the shaft being operatively connected to one of the frame or the carriage assembly, and a distal sheath operatively connected to the carriage assembly for movement therewith between a closed condition adapted to maintain the valve in the compartment and an open condition adapted to fully deploy the valve.Type: ApplicationFiled: April 6, 2017Publication date: August 24, 2017Inventors: Bradley Charles Knippel, Huisun Wang, Ralph Joseph Thomas, Jacob John Daly
-
Patent number: 9700411Abstract: A delivery system for delivering a collapsible prosthetic heart valve includes a valve support structure for supporting a collapsible prosthetic heart valve, and a distal sheath movable in a longitudinal direction relative to the valve support structure between a first position in which the distal sheath is adapted to surround a collapsible prosthetic heart valve supported on the valve support structure, and a second position in which the distal sheath is adapted to expose the collapsible prosthetic heart valve for deployment. The distal sheath is at least partially formed of an inner polymer layer, an outer polymer layer, and a tubular supporting member sandwiched between the inner polymer layer and the outer polymer layer.Type: GrantFiled: August 17, 2011Date of Patent: July 11, 2017Assignee: St. Jude Medical, Inc.Inventors: Daniel J. Klima, Huisun Wang, Ralph Joseph Thomas, Gary W. Geiger