Artificial disc spinal surgical prosthesis

Details Artificial disc spinal surgical prosthesis Artificial disc spinal surgical prosthesis

2007-10-16

2007-10-16

Snow, Bruce (Department: 3738)

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

Implantable prosthesis

Bone

C623S017140, C623S017150, C623S017160

Reexamination Certificate

active

10761978

ABSTRACT:
A spinal surgical prosthesis such as an artificial disc having a pair of upper and lower plate members, a flexible disc interposes therebetween and a rigid collar made of a bio-compatible and bio-resorbable material surrounding the flexible disc between the upper and lower plate members. Prior to the resorption of the collar, the collar serves to provide stability to the flexible disc for enhancing osteo-integration of the prosthesis with adjacent vertebrae. Subsequent to the resorption of the rigid collar, the flexible disc provides flexibility and compressibility while maintaining the proper inter disc space and lordosis or kyphosis between adjacent vertebrae.

REFERENCES:
patent: 5683465 (1997-11-01), Shinn et al.
patent: 6019792 (2000-02-01), Cauthen
patent: 6733532 (2004-05-01), Gauchet et al.
patent: 6881228 (2005-04-01), Zdeblick et al.

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