Patents by Inventor William W. Chang

William W. Chang 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: 10512504
    Abstract: Catheter apparatuses, systems, and methods for achieving renal neuromodulation by intravascular access are disclosed herein. One aspect of the present technology, for example, is directed to a treatment device having a multi-electrode array configured to be delivered to a renal blood vessel. The array is selectively transformable between a delivery or low-profile state (e.g., a generally straight shape) and a deployed state (e.g., a radially expanded, generally spiral/helical shape). The multi-electrode array is sized and shaped so that the electrodes or energy delivery elements contact an interior wall of the renal blood vessel when the array is in the deployed (e.g., spiral/helical) state. The electrodes or energy delivery elements are configured for direct and/or indirect application of thermal and/or electrical energy to heat or otherwise electrically modulate neural fibers that contribute to renal function.
    Type: Grant
    Filed: November 29, 2017
    Date of Patent: December 24, 2019
    Assignee: Medtronic Ardian Luxembourg S.a.r.l.
    Inventors: William W. Chang, Justin Goshgarian, Kevin Michael Mauch, Leonila Rivera, Sukyoung Shin, Don H. Tran
  • Publication number: 20180085162
    Abstract: Catheter apparatuses, systems, and methods for achieving renal neuromodulation by intravascular access are disclosed herein. One aspect of the present technology, for example, is directed to a treatment device having a multi-electrode array configured to be delivered to a renal blood vessel. The array is selectively transformable between a delivery or low-profile state (e.g., a generally straight shape) and a deployed state (e.g., a radially expanded, generally spiral/helical shape). The multi-electrode array is sized and shaped so that the electrodes or energy delivery elements contact an interior wall of the renal blood vessel when the array is in the deployed (e.g., spiral/helical) state. The electrodes or energy delivery elements are configured for direct and/or indirect application of thermal and/or electrical energy to heat or otherwise electrically modulate neural fibers that contribute to renal function.
    Type: Application
    Filed: November 29, 2017
    Publication date: March 29, 2018
    Inventors: William W. Chang, Justin Goshgarian, Kevin Michael Mauch, Leonila Rivera, Sukyoung Shin, Don H. Tran
  • Patent number: 9855096
    Abstract: Catheter apparatuses, systems, and methods for achieving renal neuromodulation by intravascular access are disclosed herein. One aspect of the present technology, for example, is directed to a treatment device having a multi-electrode array configured to be delivered to a renal blood vessel. The array is selectively transformable between a delivery or low-profile state (e.g., a generally straight shape) and a deployed state (e.g., a radially expanded, generally spiral/helical shape). The multi-electrode array is sized and shaped so that the electrodes or energy delivery elements contact an interior wall of the renal blood vessel when the array is in the deployed (e.g., spiral/helical) state. The electrodes or energy delivery elements are configured for direct and/or indirect application of thermal and/or electrical energy to heat or otherwise electrically modulate neural fibers that contribute to renal function.
    Type: Grant
    Filed: August 26, 2016
    Date of Patent: January 2, 2018
    Assignee: Medtronic Ardian Luxembourg S.a.r.l.
    Inventors: William W. Chang, Justin Goshgarian, Kevin Michael Mauch, Leonila Rivera, Sukyoung Shin, Don H. Tran
  • Publication number: 20170049512
    Abstract: Catheter apparatuses, systems, and methods for achieving renal neuromodulation by intravascular access are disclosed herein. One aspect of the present technology, for example, is directed to a treatment device having a multi-electrode array configured to be delivered to a renal blood vessel. The array is selectively transformable between a delivery or low-profile state (e.g., a generally straight shape) and a deployed state (e.g., a radially expanded, generally spiral/helical shape). The multi-electrode array is sized and shaped so that the electrodes or energy delivery elements contact an interior wall of the renal blood vessel when the array is in the deployed (e.g., spiral/helical) state. The electrodes or energy delivery elements are configured for direct and/or indirect application of thermal and/or electrical energy to heat or otherwise electrically modulate neural fibers that contribute to renal function.
    Type: Application
    Filed: August 26, 2016
    Publication date: February 23, 2017
    Inventors: William W. Chang, Justin Goshgarian, Kevin Michael Mauch, Leonila Rivera, Sukyoung Shin, Don H. Tran
  • Patent number: 9452017
    Abstract: Catheter apparatuses, systems, and methods for achieving renal neuromodulation by intravascular access are disclosed herein. One aspect of the present technology, for example, is directed to a treatment device having a multi-electrode array configured to be delivered to a renal blood vessel. The array is selectively transformable between a delivery or low-profile state (e.g., a generally straight shape) and a deployed state (e.g., a radially expanded, generally spiral/helical shape). The multi-electrode array is sized and shaped so that the electrodes or energy delivery elements contact an interior wall of the renal blood vessel when the array is in the deployed (e.g., spiral/helical) state. The electrodes or energy delivery elements are configured for direct and/or indirect application of thermal and/or electrical energy to heat or otherwise electrically modulate neural fibers that contribute to renal function.
    Type: Grant
    Filed: August 12, 2015
    Date of Patent: September 27, 2016
    Assignee: Medtronic Ardian Luxembourg S.a.r.l.
    Inventors: William W. Chang, Justin Goshgarian, Kevin Michael Mauch, Leonila Rivera, Sukyoung Shin, Don H. Tran
  • Publication number: 20160066988
    Abstract: Catheter apparatuses, systems, and methods for achieving renal neuromodulation by intravascular access are disclosed herein. One aspect of the present technology, for example, is directed to a treatment device having a multi-electrode array configured to be delivered to a renal blood vessel. The array is selectively transformable between a delivery or low-profile state (e.g., a generally straight shape) and a deployed state (e.g., a radially expanded, generally spiral/helical shape). The multi-electrode array is sized and shaped so that the electrodes or energy delivery elements contact an interior wall of the renal blood vessel when the array is in the deployed (e.g., spiral/helical) state. The electrodes or energy delivery elements are configured for direct and/or indirect application of thermal and/or electrical energy to heat or otherwise electrically modulate neural fibers that contribute to renal function.
    Type: Application
    Filed: August 12, 2015
    Publication date: March 10, 2016
    Inventors: William W. Chang, Justin Goshgarian, Kevin Michael Mauch, Leonila Rivera, Sukyoung Shin, Don H. Tran
  • Patent number: 9138292
    Abstract: Catheter apparatuses, systems, and methods for achieving renal neuromodulation by intravascular access are disclosed herein. One aspect of the present technology, for example, is directed to a treatment device having a multi-electrode array configured to be delivered to a renal blood vessel. The array is selectively transformable between a delivery or low-profile state (e.g., a generally straight shape) and a deployed state (e.g., a radially expanded, generally spiral/helical shape). The multi-electrode array is sized and shaped so that the electrodes or energy delivery elements contact an interior wall of the renal blood vessel when the array is in the deployed (e.g., spiral/helical) state. The electrodes or energy delivery elements are configured for direct and/or indirect application of thermal and/or electrical energy to heat or otherwise electrically modulate neural fibers that contribute to renal function.
    Type: Grant
    Filed: October 9, 2014
    Date of Patent: September 22, 2015
    Assignee: Medtronic Ardian Luxembourg S.a.r.l.
    Inventors: William W. Chang, Justin Goshgarian, Kevin Michael Mauch, Leonila Rivera, Sukyoung Shin, Don H. Tran
  • Publication number: 20150025527
    Abstract: Catheter apparatuses, systems, and methods for achieving renal neuromodulation by intravascular access are disclosed herein. One aspect of the present technology, for example, is directed to a treatment device having a multi-electrode array configured to be delivered to a renal blood vessel. The array is selectively transformable between a delivery or low-profile state (e.g., a generally straight shape) and a deployed state (e.g., a radially expanded, generally spiral/helical shape). The multi-electrode array is sized and shaped so that the electrodes or energy delivery elements contact an interior wall of the renal blood vessel when the array is in the deployed (e.g., spiral/helical) state. The electrodes or energy delivery elements are configured for direct and/or indirect application of thermal and/or electrical energy to heat or otherwise electrically modulate neural fibers that contribute to renal function.
    Type: Application
    Filed: October 9, 2014
    Publication date: January 22, 2015
    Inventors: William W. Chang, Justin Goshgarian, Kevin Michael Mauch, Leonila Rivera, Sukyoung Shin, Don H. Tran
  • Patent number: 8888773
    Abstract: Catheter apparatuses, systems, and methods for achieving renal neuromodulation by intravascular access are disclosed herein. One aspect of the present technology, for example, is directed to a treatment device having a multi-electrode array configured to be delivered to a renal blood vessel. The array is selectively transformable between a delivery or low-profile state (e.g., a generally straight shape) and a deployed state (e.g., a radially expanded, generally spiral/helical shape). The multi-electrode array is sized and shaped so that the electrodes or energy delivery elements contact an interior wall of the renal blood vessel when the array is in the deployed (e.g., spiral/helical) state. The electrodes or energy delivery elements are configured for direct and/or indirect application of thermal and/or electrical energy to heat or otherwise electrically modulate neural fibers that contribute to renal function.
    Type: Grant
    Filed: March 11, 2013
    Date of Patent: November 18, 2014
    Assignee: Medtronic Ardian Luxembourg S.a.r.l.
    Inventors: William W. Chang, Justin Goshgarian, Kevin Michael Mauch, Leonila Rivera, Sukyoung Shin, Don H. Tran
  • Publication number: 20130304061
    Abstract: Catheter apparatuses, systems, and methods for achieving renal neuromodulation by intravascular access are disclosed herein. One aspect of the present technology, for example, is directed to a treatment device having a multi-electrode array configured to be delivered to a renal blood vessel. The array is selectively transformable between a delivery or low-profile state (e.g., a generally straight shape) and a deployed state (e.g., a radially expanded, generally spiral/helical shape). The multi-electrode array is sized and shaped so that the electrodes or energy delivery elements contact an interior wall of the renal blood vessel when the array is in the deployed (e.g., spiral/helical) state. The electrodes or energy delivery elements are configured for direct and/or indirect application of thermal and/or electrical energy to heat or otherwise electrically modulate neural fibers that contribute to renal function.
    Type: Application
    Filed: March 11, 2013
    Publication date: November 14, 2013
    Applicant: MEDTRONIC ARDIAN LUXEMBOURG S.A.R.L.
    Inventors: William W. Chang, Justin Goshgarian, Kevin Michael Mauch, Leonila Rivera, Sukyoung Shin, Don H. Tran
  • Publication number: 20120116444
    Abstract: A clamp apparatus is particularly configured for controlling bleeding by applying localized pressure to a wound site without strangulating the body member. A restraint supports the body member and inhibits bending thereof. A clear pressure pad having a protuberance is applied to the wound site. The protuberance may include a magnifying lens to magnify the wound site. Slots may be formed in the protuberance and a backing and aligned to receive a needle so that the transparent, magnifying pressure pad may be applied to a patient while undergoing an injective procedure, e.g., angiography. A pressure source provides force to the pressure pad. Strangulation is either prevented by wrapping an inflatable pressure cuff around the restraint or facilitated by wrapping the cuff directly around the body member without a restraint. An inflatable pressure pad is also provided to be applied to a wound site without a restraint.
    Type: Application
    Filed: November 5, 2010
    Publication date: May 10, 2012
    Inventors: Richard C. Zodnik, William W. Chang, Arthur H. Loussararian