Patents by Inventor Sean Joo Na

Sean Joo Na 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).

  • Poly-axial bone screw mating seat
    Patent number: 7867257
    Abstract: The present invention is directed a poly-axial bone securing system including a bone securing member and a coupling element. The coupling element includes an opening to permit the bone securing member to pass therethrough and a seat for contacting a head portion of the bone securing member. The opening including a discrete number of contact surfaces or points for engaging the head portion of the bone securing member so that discrete frictional or gripping forces may be generated at interface points of each contact surface or point.
    Type: Grant
    Filed: October 17, 2006
    Date of Patent: January 11, 2011
    Assignee: Synthes USA, LLC
    Inventors: Sean Joo Na, Jude V. Paganelli, Jason Yim, Brian Scott Bowman
  • POLY-AXIAL BONE SCREW MATING SEAT
    Publication number: 20070233080
    Abstract: Embodiments of bone securing system including a coupling element having a seat are described generally herein. Other embodiments may be described and claimed.
    Type: Application
    Filed: October 17, 2006
    Publication date: October 4, 2007
    Inventors: Sean Joo Na, Jude V. Paganelli, Jason Yim, Brian Scott Bowman