Intervertebral prosthesis
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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Aug 26, 2003
Grant Date -
Jan 23, 2003
app pub date -
Feb 7, 2000
filing date -
Nov 8, 1995
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
The invention deals with an implant, in particular, an intervertebral prosthesis, which consists of an elongated elastic body which is form-elastic and takes on the form of a spiral S in the force-free state. The spiral can be drawn by a reverse winding up into an insertion instrument which is only unsubstantially larger in the insertion region than the cross-section of the elongated elastic body in order to reach the inner space of an intervertebral disc through a small opening in the annulus fibrosus and to push in and sever off the self-winding spiral when the interior is filled. This has the advantage that inner spaces of differing sizes can be filled with the same spiral.
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