Intervertebral disk prosthesis
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United States of America Patent
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Nov 3, 2009
Grant Date -
Feb 10, 2005
app pub date -
Dec 12, 2003
filing date -
Aug 4, 2003
priority date (Note) -
In Force
status (Latency Note)
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Abstract
The invention provides an intervertebral disk prosthesis. The prosthesis comprises: a first fixing element having both an anchoring first face for anchoring in one of the vertebrae and a co-operation second face; a second fixing element having both an anchoring first face for anchoring in the other vertebrae and a co-operation second face; a first prosthesis element having both an active first face and a co-operation second face, said co-operation faces of the first fixing element and of the first prosthesis element serving to fasten the two elements together; a second prosthesis element having both an active first face and a co-operation second face, said co-operation faces of the second fixing element and of the second prosthesis element serving to fasten the two elements together; and each of said active faces of the prosthesis elements defining at least a portion of a spherical cap that is respectively concave or convex.
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