Pedicle screw assembly
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United States of America Patent
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Mar 16, 2010
Issued Date -
N/A
app pub date -
Apr 18, 2005
filing date -
Apr 20, 2004
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
Disclosed are spinal fusion assemblies for use in skeletal systems. The assembly includes a coupling element that can be coupled to a fixation element, such as, for example, a screw with a head that removably mates with the coupling element. The coupling element and fixation element are configured to be coupled to an elongate stabilizer, such as a rod, that is positioned between a top and a bottom saddle. A compression member, such as a compression nut, is configured to mate with the coupling element and provides a compressive force to the top and bottom saddles to secure the elongate stabilizer therebetween. The top and bottom saddles are movably positioned within the coupling element such that they can gradually reposition and self-align into a secure engagement with the stabilizer as the compression member provides the compressive force.
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