Patents by Inventor Thomas Kiekhafer

Thomas Kiekhafer 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).

  • Medical electrical lead
    Patent number: 5044374
    Abstract: A large surface electrode optimized for use as a subcutaneous defibrillation electrode. The electrode includes an insulative electrode pad carrying a large surface electrode. Both the upper and lower surfaces of the electrode pad are covered by a fabric mesh to reduce fluid build-up at the site of implantation. The defibrillation electrode is spaced at least 0.5" from the external periphery of the pad.
    Type: Grant
    Filed: July 7, 1989
    Date of Patent: September 3, 1991
    Assignee: Medtronic, Inc.
    Inventors: Fred Lindemans, Clare Padgett, Thomas Kiekhafer, Timothy Holleman, John Keimel, David Peterson
  • Method for fabrication of a medical electrode
    Patent number: 4934049
    Abstract: A process for producing a medical electrode. A coil of conductive metal is slid over a tubular insulative substrate. The spaces between individual turns of the coil are backfilled with an insulative plastic. The backfilled plastic is thereafter etched away from and off of the exterior of the metal coil by means of a gas plasma.
    Type: Grant
    Filed: July 7, 1989
    Date of Patent: June 19, 1990
    Assignee: Medtronic, Inc.
    Inventors: Thomas Kiekhafer, Edward DiDomenico, Kenneth Keeney, Bruce Johnson