Device for spinal column

Details Device for spinal column Device for spinal column

1995-06-01

1997-07-01

Buiz, Michael

Surgery

Instruments

Orthopedic instrumentation

606 60, 606 70, 606 71, A61B 1756

Patent

active

056432623

ABSTRACT:
Device for stabilizing, and/or compressing, and/or distracting certain portions of the spinal column is provided. The device utilizes pedicle screws, and an adapter is provided which may be connected by a screw device to the head of a pedicle screw. A roughened portion of the adapter cooperates with a roughened portion of the pedicle screw head to provide for a non-rotatable connection of the adapter with respect to the pedicle screw. The adapter has a circular opening or a recess for receiving the threaded rod which is fixed to the adapter by a threaded device.

REFERENCES:
patent: 4611580 (1986-09-01), Wu
patent: 4987892 (1991-01-01), Krag et al.
patent: 5053034 (1991-10-01), Olerud
patent: 5261909 (1993-11-01), Sutterlin et al.
patent: 5387212 (1995-02-01), Yuan et al.
patent: 5468241 (1995-11-01), Metz-Stavenhagen et al.
German Search Report dated Sep. 6, 1994.

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