Surgery – Instruments – Orthopedic instrumentation
Patent
1995-06-06
1998-07-07
Hafer, Robert A.
Surgery
Instruments
Orthopedic instrumentation
606 72, 606 73, 606 66, A61B 1756, A61B 1758, A61F 230
Patent
active
057761345
ABSTRACT:
The present invention relates to a low-profile screw-clamp assembly for use in spinal support fixation systems. The low-profile spinal fixation system comprises an anchor screw, a clamping assembly mounted on the anchor screw and a sleeve nut for attaching the clamping assembly to the anchor screw. The sleeve nut is substantially recessed into the clamping assembly, when the anchor screw and clamps are assembled. The present invention also relates to a locking mechanism, and method for making such a locking mechanism for locking the sleeve nut in place once assembled which comprises a crimp placed in a wall which forms the recess in the clamping assembly.
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