Patents by Inventor Duncan Colin Betts

Duncan Colin Betts 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).

  • Preparatory reamers for orthopedic implants
    Patent number: 8613746
    Abstract: A reamer for preparing a spinal upper facet to facilitate insertion of combined screw/washer implant, preventing bone damage and facet weakening, and also allowing possibility to place grafting so as to maximize implant stabilization. The reamer has shallow outer cutting surfaces to cut a groove for spike insertion; deep inner cutting surfaces to cut a cortical-penetrating bore for insertion of the screw, and a flat therebetween to limit penetration of these cutting surfaces.
    Type: Grant
    Filed: October 27, 2009
    Date of Patent: December 24, 2013
    Assignee: DePuy Synthes Products, LLC.
    Inventors: Frank Spratt, Henri Défossez, Duncan Colin Betts, Robert Hart
  • Preparatory Reamers For Orthopedic Implants
    Publication number: 20110098710
    Abstract: A reamer for preparing a spinal upper facet to facilitate insertion of combined screw/washer implant, preventing bone damage and facet weakening, and also allowing possibility to place grafting so as to maximize implant stabilization. The reamer has shallow outer cutting surfaces to cut a groove for spike insertion; deep inner cutting surfaces to cut a cortical-penetrating bore for insertion of the screw, and a flat therebetween to limit penetration of these cutting surfaces.
    Type: Application
    Filed: October 27, 2009
    Publication date: April 28, 2011
    Inventors: Frank Spratt, Henri Défossez, Duncan Colin Betts, Robert Hart