Patents by Inventor Steven R. Ahcan

Steven R. Ahcan 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).

  • External power source having an adjustable magnetic core and method of use
    Patent number: 7286881
    Abstract: External power source, and system and method using such external power source, for an implantable medical device having therapeutic componentry and a secondary coil operatively coupled to the therapeutic componentry. A primary coil is capable of inductively energizing the secondary coil when externally placed in proximity of the secondary coil. A repositionable magnetic core associated with the primary coil is capable of being repositioned by a user of the external power source. An indicator is capable of providing the user with information relative to coupling between the primary coil and the secondary coil as a function of repositioning of the repositionable magnetic core.
    Type: Grant
    Filed: April 30, 2004
    Date of Patent: October 23, 2007
    Assignee: Medtronic, Inc.
    Inventors: Mark E. Schommer, William C. Phillips, David P. Olson, Andrew L. Schmeling, Charles E. Peters, Steven R. Ahcan, John W. Forsberg, Michael J. Elvidge, Michael J. McMullen