Multi-axial screw with a spherical landing

Details Multi-axial screw with a spherical landing Multi-axial screw with a spherical landing

2011-01-25

2011-01-25

Robert, Eduardo C (Department: 3733)

Surgery

Instruments

Orthopedic instrumentation

C606S266000

Reexamination Certificate

active

07875060

ABSTRACT:
A multi-axial screw assembly with a spherical landing surface is disclosed. The multi-axial screw assembly100includes a bone anchor150,a head130with a spherical outer surface and an extension member160extending from the top of the head130.The multi-axial screw is designed to attach a planar or semispherical end member of a plate to a vertebra. The plate is part of a spine fixation or stabilization assembly. The multi-axial screw provides multi-axial pivoting of the screw relative to the plate.

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http://wordnet.princeton.edu/perl/webwn?s=plate.

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