Patents by Inventor Lonny V. Cabelka

Lonny V. Cabelka 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).

  • ISOLATION CIRCUITRY AND METHOD FOR GRADIENT FIELD SAFETY IN AN IMPLANTABLE MEDICAL DEVICE
    Publication number: 20100198309
    Abstract: An implantable medical device is provided for isolating an elongated medical lead from internal device circuitry in the presence of a gradient magnetic or electrical field. The device includes an isolation circuit adapted to operatively connect an internal circuit to the medical lead in a first operative state and to electrically isolate the medical lead from the internal circuit in a second operative state.
    Type: Application
    Filed: April 13, 2010
    Publication date: August 5, 2010
    Inventors: Lonny V. Cabelka, David E. Manahan, Forrest C.M. Pape, John D. Wahlstrand
  • Isolation circuitry and method for gradient field safety in an implantable medical device
    Patent number: 7729770
    Abstract: An implantable medical device is provided for isolating an elongated medical lead from internal device circuitry in the presence of a gradient magnetic or electrical field. The device includes an isolation circuit adapted to operatively connect an internal circuit to the medical lead in a first operative state and to electrically isolate the medical lead from the internal circuit in a second operative state.
    Type: Grant
    Filed: April 26, 2006
    Date of Patent: June 1, 2010
    Assignee: Medtronic, Inc.
    Inventors: Lonny V. Cabelka, David E. Manahan, Forrest C. M. Pape, John D. Wahlstrand
  • HIGH POWER IMPLANTABLE BATTERY WITH IMPROVED SAFETY AND METHOD OF MANUFACTURE
    Publication number: 20080223381
    Abstract: A power control circuit for an implantable medical device is presented. The power control circuit includes a first high rate cell, a second high rate cell, at least one resistive load, and at least one control circuit. The at least one resistive load is connected between the first and the second high rate cells. The at least one control circuit is coupled to the first and the second high rate cells.
    Type: Application
    Filed: March 16, 2007
    Publication date: September 18, 2008
    Inventors: Craig L. Schmidt, Lonny V. Cabelka, Joseph A. Ballis