Patents by Inventor Eric Robert Dixon

Eric Robert Dixon 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).

  • Patent number: 10905552
    Abstract: An implantable prosthetic device includes a coaption portion, paddles, and clasps. The paddles having an outer portion and inner portion. The paddles are extendable from a folded closed position to an open position. A clasp is attached to each of the paddles. The clasps have a fixed arm attached to the inner portion of the paddle and a hoop-shaped moveable arm having a barbed portion. A hinge portion connects the fixed arm to the moveable arm.
    Type: Grant
    Filed: March 21, 2018
    Date of Patent: February 2, 2021
    Assignee: Edwards Lifesciences Corporation
    Inventors: Eric Robert Dixon, Jensen Chen, Guillermo W. Moratorio, Hengchu Cao, Douglas Thomas Dominick, Sergio Delgado
  • Patent number: 10905553
    Abstract: An exemplary valve repair device for repairing a valve of a patient has a paddle, and a clasp. The clasp has a fixed arm attached to the paddle and a moveable arm. The moveable arm includes barbs that are spaced apart from a connection between the moveable arm and the fixed arm. The moveable arm is movable between open and closed positions relative to the fixed arm. The moveable arm has a weakened portion between the barbs and the connection between the moveable arm and the fixed arm. Applying tension to the movable arm in a retraction direction stretches the moveable arm and moves the barbs in the retraction direction.
    Type: Grant
    Filed: October 25, 2018
    Date of Patent: February 2, 2021
    Assignee: Edwards Lifesciences Corporation
    Inventors: Sergio Delgado, Eric Robert Dixon, David M. Taylor, Asher L. Metchik, Matthew T. Winston, Gregory Scott Tyler, II, Lauren R. Freschauf, Alexander J. Siegel
  • Publication number: 20210023338
    Abstract: Disclosed herein are catheter control handles that include various mechanisms for controlling the circumferential angle and radial magnitude of flexion of an attached catheter. Control handles can comprise a housing. Control wires extend from a distal end of the housing and into a steerable transluminal device. A flex control member is operable to control tension on the pull wires to adjust a magnitude of radial flexion of the steerable transluminal device. A position control member is operable to control tension on the pull wires to adjust a circumferential angle in which the radial flexion of the steerable transluminal device is directed.
    Type: Application
    Filed: October 8, 2020
    Publication date: January 28, 2021
    Inventors: Bao Khuu, Matthew T. Winston, Asher L. Metchik, Eric Robert Dixon
  • Patent number: 10898327
    Abstract: An implantable prosthetic device includes a coaption portion, paddles, and clasps. The paddles have an outer portion and an inner portion. The paddles are extendable from a folded closed position to an open position. A clasp is attached to each of the plurality of paddles. The clasps have a concave upper surface and a convex lower surface. The clasps include a fixed arm attached to the inner portion of the paddle, a moveable arm having a barbed portion, and a hinge portion connecting the fixed arm to the moveable arm.
    Type: Grant
    Filed: April 13, 2018
    Date of Patent: January 26, 2021
    Assignee: Edwards Lifesciences Corporation
    Inventors: Eric Robert Dixon, Jensen Chen, Guillermo W. Moratorio, Hengchu Cao, Douglas Thomas Dominick, Sergio Delgado
  • Patent number: 10888425
    Abstract: An exemplary valve repair device for repairing a native valve of a patient includes a coaption element and a pair of paddles. The coaption element and/or the pair of paddles can be made from a fabric, such as a braided metal fabric. The pair of paddles are connected to the coaption element. The paddles are movable between an open position and a closed position. The valve repair device is configured to attach to the native valve of the patient.
    Type: Grant
    Filed: September 12, 2018
    Date of Patent: January 12, 2021
    Assignee: Edwards Lifesciences Corporation
    Inventors: Sergio Delgado, Eric Robert Dixon, David M. Taylor
  • Patent number: 10874514
    Abstract: An implantable prosthetic device has a coaption portion, paddles, and clasps. The paddles are extendable from a folded closed position to an open position. A clasp is attached to each of the paddles. The clasps comprise a fixed arm attached and a plurality of moveable arms each having a barbed portion. A plurality of hinge portions connect the fixed arm to the plurality of moveable arms.
    Type: Grant
    Filed: April 13, 2018
    Date of Patent: December 29, 2020
    Assignee: Edwards Lifesciences Corporation
    Inventors: Eric Robert Dixon, Jensen Chen, Guillermo W. Moratorio, Hengchu Cao, Douglas Thomas Dominick, Sergio Delgado, Lauren R. Freschauf
  • Patent number: 10869763
    Abstract: In an exemplary method of implanting a valve repair device on a mitral valve of a patient, first and second clasps of the valve repair device are closed to grasp the leaflets of the mitral valve. First and second paddles of the valve repair device are closed to bring the leaflets of the mitral valve into contact with a coaptation or coaption element.
    Type: Grant
    Filed: September 19, 2018
    Date of Patent: December 22, 2020
    Assignee: Edwards Lifesciences Corporation
    Inventors: Sergio Delgado, Eric Robert Dixon, David M. Taylor
  • Patent number: 10849754
    Abstract: An exemplary implantable prosthetic device has a coaption element and a pair of paddles. The coaption element has a first end portion and a second end portion. The pair of paddles is connected to the second end portion of the coaption element. The coaption element narrows as the copation element extends from the first end portion to the second end portion. The paddles are movable between an open position and a closed position. The paddles are configured to attach to the native valve of the patient.
    Type: Grant
    Filed: September 13, 2018
    Date of Patent: December 1, 2020
    Assignee: Edwards Lifesciences Corporation
    Inventors: Sergio Delgado, Eric Robert Dixon, David M. Taylor
  • Patent number: 10842627
    Abstract: An exemplary valve repair device for repairing a native valve of a patient has a paddle frame, an inner paddle, and an outer paddle. The outer paddle is connected to the inner paddle. The inner and outer paddles are connected to the paddle frame at a connection between the inner paddle and the outer paddle. A portion of the inner paddle is moveable away from a portion of the outer paddle to open the inner and outer paddles.
    Type: Grant
    Filed: September 18, 2018
    Date of Patent: November 24, 2020
    Assignee: Edwards Lifesciences Corporation
    Inventors: Sergio Delgado, Eric Robert Dixon, David M. Taylor
  • Patent number: 10835714
    Abstract: Steerable catheters include cam and follower mechanisms that provide independent control of catheter flex magnitude and catheter flex direction to provide improved steerability of an attached catheter. In certain embodiments, the steerable catheter assemblies include two or more pull wires that flex the catheter, and a control handle coupled to the catheter having a direction control and a magnitude control, both of which are operably coupled to the two or more pull wires by the cam and follower mechanism. In embodiments disclosed herein, the cam and follower system can be modified to achieve particular catheter control.
    Type: Grant
    Filed: November 16, 2017
    Date of Patent: November 17, 2020
    Assignee: Edwards Lifesciences Corporation
    Inventors: Bao Khuu, Matthew T. Winston, Asher L. Metchik, Eric Robert Dixon
  • Patent number: 10820998
    Abstract: A delivery system includes an elongate shaft, a handle, a first clasp control member, and a second clasp control member. The handle is connected to a proximal portion of the elongate shaft. The first and second clasp control members each extend into a distal portion of the elongate shaft, through at least a portion of the elongate shaft, out of the proximal portion of the elongate shaft, and through the handle. The first and second clasp control members have paths that include a first parallel portion in the elongate shaft where the first clasp control member and the second clasp control member are parallel, and a diverging portion that is proximal to the first parallel portion where the first clasp control member diverges from the second clasp control member.
    Type: Grant
    Filed: April 8, 2020
    Date of Patent: November 3, 2020
    Assignee: Edwards Lifesciences Corporation
    Inventors: Devin H. Marr, Sergio Delgado, Eric Robert Dixon, David M. Taylor, Asher L. Metchik, Matthew T. Winston
  • Publication number: 20200337842
    Abstract: A valve repair device for repairing a native valve of a patient includes a pair of paddles and a pair of gripping members. The pair of paddles are movable between an open position and a closed position. Each paddle comprises a metal loop that is moveable from a compressed condition where each metal loop has a first width to an expanded condition where each loop has a second width that is greater than the first width. The pair of gripping members are configured to attach to the native valve of the patient.
    Type: Application
    Filed: July 8, 2020
    Publication date: October 29, 2020
    Inventors: Asher L. Metchik, Sergio Delgado, Alexander J. Siegel, Eric Robert Dixon, Lauren R. Freschauf, Matthew T. Winston, Gregory Scott Tyler, II
  • Patent number: 10813760
    Abstract: A system for implanting a repair device onto a native valve of a natural heart to repairing the native valve of a patient during a non-open-heart procedure. The system includes a pair of paddles and a pair of gripping members. The paddles are moveable between an open position and a closed position. The gripping members can have different configurations for effective attachment and release from the native valve of the patient.
    Type: Grant
    Filed: October 17, 2018
    Date of Patent: October 27, 2020
    Assignee: Edwards Lifesciences Corporation
    Inventors: Asher L. Metchik, Gregory Scott Tyler, II, Matthew T. Winston, Sergio Delgado, Lauren R. Freschauf, Eric Robert Dixon, Alexander J. Siegel
  • Patent number: 10799675
    Abstract: Disclosed herein are catheter control handles that include various cam-based mechanisms for controlling the circumferential angle and radial magnitude of flexion of an attached catheter. Control handles can comprise a housing defining a longitudinal axis extending in distal and proximal directions, a cam member that is movable axially relative to the housing and also movable rotationally about the longitudinal axis relative to the housing, at least one follower engaged with the cam member such that the at least one follower moves relative to the handle in response to the movement of the cam member, and pull wires that are coupled to the at least one follower and that extend distally out of the handle and into a steerable catheter. The at least one follower can comprise plural axial sliders, a gimbal mechanism, a ball and socket mechanism, or other mechanisms.
    Type: Grant
    Filed: March 8, 2017
    Date of Patent: October 13, 2020
    Assignee: Edwards Lifesciences Corporation
    Inventors: Bao Khuu, Matthew T. Winston, Asher L. Metchik, Eric Robert Dixon
  • Patent number: 10799677
    Abstract: Disclosed herein are steerable catheter assemblies and methods of steering catheters that utilize gimbal plate and ring mechanisms to accomplish independent control of catheter flex magnitude and catheter flex direction. Some embodiments include a catheter with two or more pull wires that flex the catheter, a housing connected to the catheter, a gimbal ring pivotally connected to the housing, a gimbal plate pivotally connected to the gimbal ring to form a gimbal assembly, and an adjustment member coupled to the gimbal assembly, such that the adjustment member is movable axially and rotationally relative to the gimbal assembly. The two or more pull wires are connected to the gimbal plate, the adjustment member engages the gimbal plate such that movement of the adjustment member adjusts the position of the gimbal assembly to thereby flex the catheter with the pull wires.
    Type: Grant
    Filed: November 16, 2017
    Date of Patent: October 13, 2020
    Assignee: Edwards Lifesciences Corporation
    Inventors: Bao Khuu, Matthew T. Winston, Asher L. Metchik, Eric Robert Dixon
  • Patent number: 10799676
    Abstract: Disclosed herein are steerable catheter assemblies and methods of steering catheters that utilize ball and socket mechanisms to accomplish independent control of catheter flex magnitude and catheter flex direction. Some embodiments include a catheter with two or more pull wires that flex the catheter, a first ball, a socket coupled to the first ball to form a ball and socket assembly, and an adjustment member coupled to the ball and socket assembly, such that the adjustment member is movable axially and rotationally relative to the ball and socket assembly. Two or more pull wires are connected to the socket, and the adjustment member engages the socket such that movement of the adjustment member adjusts the position of the socket relative to the first ball to thereby flex the catheter with the pull wires.
    Type: Grant
    Filed: November 16, 2017
    Date of Patent: October 13, 2020
    Assignee: Edwards Lifesciences Corporation
    Inventors: Bao Khuu, Matthew T. Winston, Asher L. Metchik, Eric Robert Dixon
  • Publication number: 20200246136
    Abstract: A delivery system includes an elongate shaft, a handle, a first clasp control member, and a second clasp control member. The handle is connected to a proximal portion of the elongate shaft. The first and second clasp control members each extend into a distal portion of the elongate shaft, through at least a portion of the elongate shaft, out of the proximal portion of the elongate shaft, and through the handle. The first and second clasp control members have paths that include a first parallel portion in the elongate shaft where the first clasp control member and the second clasp control member are parallel, and a diverging portion that is proximal to the first parallel portion where the first clasp control member diverges from the second clasp control member.
    Type: Application
    Filed: April 8, 2020
    Publication date: August 6, 2020
    Applicant: EDWARDS LIFESCIENCES CORPORATION
    Inventors: Devin H. Marr, Sergio Delgado, Eric Robert Dixon, David M. Taylor, Asher L. Metchik, Matthew T. Winston
  • Publication number: 20200237512
    Abstract: An implantable prosthetic device has a coaption element and at least one anchor. The coaption element is configured to be positioned within the native heart valve orifice to help fill a space where the native valve is regurgitant and form a more effective seal. The coaption element can have a structure that is impervious to blood. The coaption element can be connected to leaflets of the native valve by the anchor.
    Type: Application
    Filed: April 13, 2020
    Publication date: July 30, 2020
    Inventors: Alex Philip McCann, Grant Matthew Stearns, Eric Robert Dixon, Yoon Hee Kwon, Michael J. Popp, Sergio Delgado, Lauren R. Freschauf, Rachel Ann Gohres, Rachel Liat David Foreman
  • Publication number: 20200214832
    Abstract: A system for implanting a repair device onto a native valve of a natural heart to repair the native valve of a patient during a non-open-heart procedure. The system includes a delivery catheter and a valve repair device. The valve repair device is disposed inside the delivery catheter. The valve repair device includes a pair of paddles and a pair of gripping members. The pair of paddles are movable between an open position and a closed position. The pair of paddles and the pair of gripping members are configured to secure the valve repair device to leaflets of the native valve. The pair of paddles are compressed inside the delivery catheter. Each paddle of the pair of paddles is configured to expand upon exiting the delivery catheter to increase the surface area of each paddle.
    Type: Application
    Filed: March 13, 2020
    Publication date: July 9, 2020
    Inventors: Asher L. Metchik, Gregory Scott Tyler, II, Matthew T. Winston, Sergio Delgado, Lauren R. Freschauf, Eric Robert Dixon, Alexander J. Siegel
  • Patent number: 10667912
    Abstract: An implantable prosthetic device includes a coaption portion, paddles, and clasps. The paddles are extendable from a folded closed position to an open position. A clasp is attached to each of the paddles. Each clasp has a fixed arm attached to the paddle and a moveable arm having a barbed portion. A hinge portion connects the fixed arm to the moveable arm. The device does not include catch points when the paddles are in the open position and the clasps are in a closed condition.
    Type: Grant
    Filed: April 5, 2018
    Date of Patent: June 2, 2020
    Assignee: Edwards Lifesciences Corporation
    Inventors: Eric Robert Dixon, Jensen Chen, Guillermo W. Moratorio, Hengchu Cao, Douglas Thomas Dominick, Sergio Delgado, Lauren R. Freschauf