Patents by Inventor M. David Dennis

M. David Dennis 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).

  • CORTICAL, ANTI-MIGRATION, FACET DOWEL FOR FUSION OF FACET JOINTS IN THE SPINE AND DEVICES FOR SETTING THE SAME IN PLACE
    Publication number: 20150080897
    Abstract: A novel allograft is provided for insertion into a prepared site between adjacent spinal facets. The allograft or facet dowel is typically comprised of three portions, a partially spherical body defining a spherical segment, a nose portion, and a tail portion, all aligned along a longitudinal axis. In addition, a set of instruments is provided for the excavation of an allograft placement site between the two facets. The set of instruments includes a T-spade drill which will, in conjunction with a normal drill, excavate a site for the emplacement of the allograft. A novel method of using the instruments and the allograft is also provided.
    Type: Application
    Filed: October 29, 2014
    Publication date: March 19, 2015
    Inventor: M. David Dennis
  • Cortical, anti-migration, facet dowel for fusion of facet joints in the spine and devices for setting the same in place
    Patent number: 8926665
    Abstract: A novel allograft is provided for insertion into a prepared site between adjacent spinal facets. The allograft or facet dowel is typically comprised of three portions, a partially spherical body defining a spherical segment, a nose portion, and a tail portion, all aligned along a longitudinal axis. In addition, a set of instruments is provided for the excavation of an allograft placement site between the two facets. The set of instruments includes a T-spade drill which will, in conjunction with a normal drill, excavate a site for the emplacement of the allograft. A novel method of using the instruments and the allograft is also provided.
    Type: Grant
    Filed: March 18, 2011
    Date of Patent: January 6, 2015
    Assignee: FacSecure, LLC
    Inventor: M. David Dennis
  • CORTICAL, ANTI-MIGRATION, FACET DOWEL FOR FUSION OF FACET JOINTS IN THE SPINE AND DEVICES FOR SETTING THE SAME IN PLACE
    Publication number: 20110230912
    Abstract: A novel allograft is provided for insertion into a prepared site between adjacent spinal facets. The allograft or facet dowel is typically comprised of three portions, a partially spherical body defining a spherical segment, a nose portion, and a tail portion, all aligned along a longitudinal axis. In addition, a set of instruments is provided for the excavation of an allograft placement site between the two facets. The set of instruments includes a T-spade drill which will, in conjunction with a normal drill, excavate a site for the emplacement of the allograft. A novel method of using the instruments and the allograft is also provided.
    Type: Application
    Filed: March 18, 2011
    Publication date: September 22, 2011
    Inventor: M. David Dennis