Patents by Inventor Tor S. Larsen

Tor S. Larsen 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).

  • Patent number: 5242439
    Abstract: An elongated tube for inserting instrumentation during a percutaneous diskectomy using a laser introduces an optical guide into the nucleus of a herniated disc. The optical guide is disposed along the elongated tube and guides a laser beam. The laser beam which is guided by the optical guide is not aligned with at least a portion of the elongated tube.
    Type: Grant
    Filed: November 26, 1991
    Date of Patent: September 7, 1993
    Assignee: Laserscope
    Inventors: Tor S. Larsen, Alan L. Grantz, David A. Gollnick, Peter S. Hertzmann