Vertebral osteosynthesis equipment
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United States of America Patent
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Jul 12, 2016
Grant Date -
Jan 22, 2015
app pub date -
Oct 9, 2014
filing date -
Apr 11, 2012
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
This equipment comprises at least one connecting bar and at least one sacrum anchor assembly (1-3, 5). According to the invention, each sacrum anchor assembly comprises two sacral anchor screws (1, 2), a link assembly (3) including: a sacral connecting part (10) assembled to a sacral anchor plate (11) with polyaxiality, i.e. having possible multi-directional tilting relative to the said first screw (1), and possible pivot relative to the said sacral anchor plate (11); two nuts (5) able to be screwed onto the said shanks (9) of the said first and second screws (1, 2), a first nut (5) is able to clamp this part (10) against a bearing surface (8) formed in the said first screw (1), for tilt and pivot immobilisation of this part (10) relative to the said sacral anchor plate (11).
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