Provisional locking pedicle screw system and method
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United States of America Patent
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N/A
Issued Date -
Mar 26, 2009
app pub date -
Sep 21, 2007
filing date -
Sep 21, 2007
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
Provisional locking pedicle screw systems and associated methods for surgery are provided. A bone screw assembly may be provided that includes a bone screw, an anchor bracket, and a provisional locking member. The provisional locking member may exert a frictional force against the bone screw that semi-rigidly fixes the anchor bracket and the bone screw in place relative to each other. More rigid securement (e.g., non-provisional locking) of the relative positions of the bone screw and the anchor bracket may be achieved by securing a securement member (e.g., set screw) within the anchor bracket. Also provided are a multiple-component set screw and an anchor bracket configured to form a press-fit connection with the bone screw. In various embodiments, the systems and methods described herein may be used to fuse together, mechanically immobilize, and/or adjust the alignment of adjacent vertebrae of the spine.
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