Patents by Inventor Rodica V. Ruta

Rodica V. Ruta 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: 5948015
    Abstract: A medical electrical lead having an electrode head with an internal lumen mounted to a proximal portion of the lead body and a rotatable fixation helix advanceable from the internal lumen. The helix is mounted to a rotatable shaft which is provided with a central shaft portion and circumferential shoulders proximal and distal to the central shaft portion. A seal is mounted in the lumen of the electrode head, encircling the shaft and C-shaped seal retainers are mounted in the lumen of the electrode head member proximal and distal to the seal.
    Type: Grant
    Filed: May 14, 1998
    Date of Patent: September 7, 1999
    Assignee: Medtronic, Inc.
    Inventors: Douglas N. Hess, Richard D. Sandstrom, Michael A. Ruff, Rodica V. Ruta