Anterior lumbar interbody fusion implant and method for fusing adjacent vertebrae
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United States of America Patent
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Jan 29, 2002
Grant Date -
N/A
app pub date -
Apr 24, 2000
filing date -
Apr 30, 1999
priority date (Note) -
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Abstract
A spinal fusion implant and method for maintaining proper lumbar spine curvature and intervertebral disc spacing where a degenerative disc has been removed. The one-piece implant comprises a hollow body having an access passage for insertion of bone graft material into the intervertebral space after the implant has been affixed to adjacent vertebrae. The implant provides a pair of screw-receiving passages that are oppositely inclined relative to a central plane. In one embodiment, the screw-receiving passages enable the head of an orthopedic screw to be retained entirely within the access passage. A spinal fusion implant embodied in the present invention may be inserted anteriorally or laterally.
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