Intersomatic vertebral column implant

Details Intersomatic vertebral column implant Intersomatic vertebral column implant

1994-07-27

1997-11-04

Clarke, Robert A.

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

Implantable prosthesis

Bone

A61F 244

Patent

active

056834632

ABSTRACT:
The hollow tubular implant of the invention comprises an internal cavity delimited by a peripheral wall open at its first end and having a generally circular cross-section external surface. Two side surfaces are solid and top and bottom surfaces have communicating holes in them. Annular external ribs prevent retrograde movement and rotation of the implant when inserted between two adjacent vertebrae. The implant achieves good fastening together of the two vertebrae and fusion thereof by means of a bone graft inserted in the implant before fitting.

REFERENCES:
patent: 4349921 (1982-09-01), Kuntz
patent: 4501269 (1985-02-01), Bagby
patent: 4645453 (1987-02-01), Niznick
patent: 4936848 (1990-06-01), Bagby
patent: 5015247 (1991-05-01), Michelson
patent: 5338197 (1994-08-01), Kwan
patent: 5489308 (1996-02-01), Kuslich et al.

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