Intervertebral disk prosthesis provided with anchor means

Details Intervertebral disk prosthesis provided with anchor means Intervertebral disk prosthesis provided with anchor means

2011-08-16

2011-08-16

Barrett, Thomas C. (Department: 3775)

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

Implantable prosthesis

Bone

Reexamination Certificate

active

07998211

ABSTRACT:
An intervertebral disk prosthesis is provided. The prosthesis comprises: a first plate for engaging a first vertebral body, said first plate comprising a first slot formed through the first plate; a second plate for engaging a second vertebral body, said second plate comprising a second slot formed through the second plate; a first anchor member, said first anchor member positioned and slidable through the first slot and having a sharp edge for penetrating into the first vertebral body; and a second anchor member, said second anchor member positioned and slidable through the second slot and having a sharp edge for penetrating into the second vertebral body. The first plate and the second plate engage with one another by way of complimentary concave and convex spherical cap portions to provide relative movement between the first plate and the second plate.

REFERENCES:
patent: 5609635 (1997-03-01), Michelson
patent: 6179873 (2001-01-01), Zientek
patent: 2004/0002759 (2004-01-01), Ferree
patent: 2007/010161 (2007-01-01), None
patent: 2007/010161 (2007-01-01), None
International Search Report and Written Opinion for PCT/FR2006/050720, completed Jan. 15, 2007, mailed Jan. 24, 2007, 10 pgs.).
English translation of the Written Opinion for PCT/FR2006/050720, completed Jan. 15, 2007, mailed Jan. 24, 2007, 6 pgs.).
International Preliminary Examination Report for PCT/FR2006/050720, issued Jan. 22, 2008, 7 pgs.
English translation of the International Preliminary Examination Report for PCT/FR2006/050720, issued Jan. 22, 2008, 7 pgs.

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