Patents by Inventor Mingyan Liu

Mingyan Liu 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).

  • Anterior lateral spine cage-plate fixation device and technique
    Patent number: 6156037
    Abstract: An interbody fusion cage has an externally threaded stem projecting from a domed outer end. A contoured plate is provided with an aperture receivable on the stem. The stem threads receive a nut to fix the plate to the cage. Bone screws anchor the plate to vertebral bodies. A hemispherical surface on the plate and surrounding the stem-receiving aperture and bearing on the dome, accommodates universal angulation of the plate relative to the cage. In addition to a cage installation tool, there is a plate installation tool assembly including a cage installer, a plate holder, a nut holder and cage adjuster, a nut driver, and a plate holding prong controller.
    Type: Grant
    Filed: October 28, 1998
    Date of Patent: December 5, 2000
    Assignee: SDGI Holdings, Inc.
    Inventors: Jean-Charles LeHuec, Mingyan Liu, Loic Josse