Patents by Inventor Michael W. Meriwether

Michael W. Meriwether 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).

  • Box cage for intervertebral body fusion
    Patent number: 6159245
    Abstract: An interbody implant for enhancing fusion of adjacent vertebral bodies comprises a rectangular cage member of an open construction dimensioned to fit between adjacent vertebral bodies following surgical removal of the disk. The rectangular cage member includes a plurality of ribs for engaging the plateaus of adjacent vertebral bodies for preventing lateral shifting of the cage. It is held against anterior/posterior motion by a locking screw which threadedly engages the cage and adjacent bone tissue. The cage is adapted to be packed with bone graft material for enhancing solid bone fusion.
    Type: Grant
    Filed: November 9, 1999
    Date of Patent: December 12, 2000
    Inventors: Michael W. Meriwether, Richard L. Shockey
  • Box cage for intervertebral body fusion
    Patent number: 6090143
    Abstract: An interbody implant for enhancing fusion of adjacent vertebral bodies comprises a rectangular cage member of an open construction dimensioned to fit between adjacent vertebral bodies following surgical removal of the disk. The rectangular cage member includes a plurality of ribs for engaging the plateaus of adjacent vertebral bodies for preventing lateral shifting of the cage. It is held against anterior/posterior motion by a locking screw which threadedly engages the cage and adjacent bone tissue. The cage is adapted to be packed with bone graft material for enhancing solid bone fusion.
    Type: Grant
    Filed: September 21, 1998
    Date of Patent: July 18, 2000
    Inventors: Michael W. Meriwether, Richard L. Shockey