Lateral spine plate with set screw locking of bone screws
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United States of America Patent
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-
Dec 8, 2020
Grant Date -
Aug 24, 2017
app pub date -
Feb 21, 2017
filing date -
Feb 22, 2016
priority date (Note) -
In Force
status (Latency Note)
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Abstract
A lateral spine implant has a plate, configured bone screws, and configured setscrews providing locking of bone screw movement. The plate has at least two identically configured bone screw bores, each one with a spherical seat at a bottom opening, and threads around the inner circumference of a top opening. Each setscrew has a cylindrical body with external threads that mate with inner threads of the bone screw bore in order to affix the setscrew to the plate. A threaded spherical pocket is provided in a bottom of the setscrew body which conjoins with the spherical bone screw head to secure the setscrew with the bone screw head, fixing bone screw orientation/angulation. The bone screw head has a formation or formations about at least a portion of its exterior circumference that cooperate with the threads of the spherical pocket of the plate in order to fix bone screw orientation/angulation.
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