Patents by Inventor Mitchell J. Campbell

Mitchell J. Campbell 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).

  • Instrumentation for distraction and insertion of implants in a spinal disc space
    Patent number: 8066714
    Abstract: Instruments for inserting an implant in a space between adjacent bony portions include upper and lower guide members and a drive assembly between the spreaders with an implant positioned forwardly of the drive assembly. The drive assembly is coupled to a handle assembly, and the handle assembly is operable to move the implant forwardly between the guide members to position the implant in a space between the bony portions. The handle assembly includes a mounting portion to which the drive assembly is mounted and an actuating portion operable to effect linear movement of the drive assembly.
    Type: Grant
    Filed: March 17, 2006
    Date of Patent: November 29, 2011
    Assignee: Warsaw Orthopedic Inc.
    Inventors: Kenneth S. Shipp, Mitchell J. Campbell, Richard Evan Chen