Intervertebral allograft spacer

Details Intervertebral allograft spacer Intervertebral allograft spacer

2008-03-25

2008-03-25

Gherbi, Suzette (Department: 3738)

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

Implantable prosthesis

Bone

Reexamination Certificate

active

11150584

ABSTRACT:
An allogenic intervertebral implant for fusing vertebrae is disclosed. The implant is a piece of allogenic bone conforming in size and shape with a portion of an end plate of a vertebra. The implant has a wedge-shaped profile to restore disc height and the natural curvature of the spine. The top and bottom surfaces of the implant have a plurality of teeth to resist expulsion and provide initial stability. The implant according to the present invention provides initial stability need for fusion without stress shielding.

REFERENCES:
patent: 5306307 (1994-04-01), Senter et al.
patent: 5645598 (1997-07-01), Brosnahan, III
patent: 5669909 (1997-09-01), Zdeblick et al.
patent: 6143033 (2000-11-01), Paul et al.
patent: 6258125 (2001-07-01), Paul et al.
patent: 6371988 (2002-04-01), Pafford et al.
patent: 6986788 (2006-01-01), Paul et al.

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