Patents by Inventor J. Marcus Wharton

J. Marcus Wharton 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).

  • System and method for evaluating lead defibrillation requirements of an implanted device without repeated fibrillation induction
    Patent number: 5105809
    Abstract: A system for determining the defibrillation threshold energy of a defibrillation lead arrangement by shocking the heart during the T wave of the ECG at decreasing energy levels until the heart is placed in fibrillation. The lowest energy level tested which fails to place the heart in fibrillation correlates to the defibrillation threshold energy of the lead arrangement.
    Type: Grant
    Filed: August 23, 1990
    Date of Patent: April 21, 1992
    Assignees: Cardiac Pacemakers, Inc., Duke University
    Inventors: Stanley M. Bach, Jr., Douglas J. Lang, Raymond E. Ideker, J. Marcus Wharton