Device for fixing the sacral bone to adjacent vertebrae during osteosynthesis of the backbone
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United States of America Patent
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Sep 18, 2001
Issued Date -
N/A
app pub date -
Jan 12, 2000
filing date -
May 13, 1996
priority date (Note) -
In Force
status (Latency Note)
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Abstract
A bone fixing device, in particular for fixing to the sacrum for osteosynthesis of the backbone. An elongate link receives at least one bone-fastening screw, which passes through an orifice formed in the link. In the bottom of the link there is a bearing surface of essentially circular cross-section. The head of the screw includes an essentially spherical surface for bearing against the bearing surface. The link includes a first thread in the vicinity of the orifice. The device further includes a plug having a second thread suitable for co-operating with the first thread. The plus is suitable for coming into clamping contact against said screw head to hold it in a desired angular position. The link is constituted by a single-piece plate-shaped element having the orifice and the first thread formed therein, with the bearing surface being essentially spherical.
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