Patents by Inventor Bret Hartzell

Bret Hartzell 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).

  • Deployable member for use with an intervertebral cage
    Patent number: 8545562
    Abstract: An implant may provide a body capable of being fit in an intervertebral space and a spin-plate rotatable with respect to the body. The spin-plate may a blade. The blade may possess grooves in its flat faces, or may be provided with an overhang. The path of the overhang or groove may be such that as the spin-plate advances in its rotation, a vertebra engaged with the blade is drawn toward the body of the implant. Pins may be placed in adjacent vertebrae such as to engage the spin-plate. Surgical methods are also described.
    Type: Grant
    Filed: March 31, 2010
    Date of Patent: October 1, 2013
    Assignee: Theken Spine, LLC
    Inventors: Peter A. Materna, James Bruffey, Bret Hartzell, Dale G. Davison