Spinal disc prosthesis and methods

Details Spinal disc prosthesis and methods Spinal disc prosthesis and methods

2011-04-05

2011-04-05

Stewart, Alvin J (Department: 3774)

Prosthesis (i.e., artificial body members), parts thereof, or ai

Implantable prosthesis

Bone

Reexamination Certificate

active

07918890

ABSTRACT:
The present invention provides novel spinal disc prosthesis comprising two solid compressible cylinders and methods. A method of the invention for placing the solid compressible cylinders between adjacent spinal vertebrae comprises the steps of forming an enlarged partially circular space from the back and to one side of the space between adjacent spinal vertebrae previously occupied by a degenerated disc, forming additional spaces within the interiors of the adjacent vertebrae, placing a solid compressible cylinder in the spaces within the interiors of the adjacent vertebrae and repeating the above procedure on the other side of the space between the vertebrae.

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