Apparatus and method for performing spinal surgery
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United States of America Patent
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N/A
Issued Date -
May 26, 2005
app pub date -
Aug 9, 2004
filing date -
Aug 7, 2003
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
An embodiment of an intervertebral prosthetic device for implantation in a spine includes a rigid fixation member and a compressible member. The fixation member is configured to be placed in a cavity of a first vertebral body and against bone of the first vertebral body. The compressible member is configured to be placed in a cavity in an intervertebral disc and to be secured to the first fixation member. Another embodiment includes two compressible members and one fixation member. In this embodiment, the first and second compressible members are sized to substantially replace the nucleus pulposus of first and a second intervertebral discs, respectively, on either side of a vertebral body. The fixation member is sized to fit within a cavity in the vertebral body between the first and second compressible members.
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