Patents by Inventor Manuel C. Guyot

Manuel C. Guyot 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).

  • Marked cannula
    Patent number: 5827312
    Abstract: A marked cannula is disclosed that provides for first and second indicia for marking positions along the inner surface of the cannula. The first and second indicia are distinctive with respect to each other and are easily detected or visible using an endoscope. The first and second indicia are preferably provided at positions that are representative of the general population in terms of location of the plantar fascia. The indicia provide a quick visual reference for the positioning of a surgical instrument within the bore of the cannula.
    Type: Grant
    Filed: August 12, 1997
    Date of Patent: October 27, 1998
    Assignee: Instratek Incorporated
    Inventors: Michael G. Brown, Perry C. Forrester, Manuel C. Guyot, Stephen L. Barrett