Spinal segmental reduction derotational fixation system

Details Spinal segmental reduction derotational fixation system Spinal segmental reduction derotational fixation system

1994-07-14

1996-08-13

Pellegrino, Stephen C.

Surgery

Instruments

Orthopedic instrumentation

606 73, 411383, 411389, A61B 1770, A61B 1786

Patent

active

055451667

ABSTRACT:
The present invention relates to a spinal fixation system. The system comprises a screw for pivotally attaching a bolt to a vertebrae to be treated. A pivot block is threaded onto the bolt to move the pivot block up and down the bolt. A rod is secured at each of its ends to vertebrae on either side of the vertebrae to be treated and a clamp block is attached to the rod and the pivot block to thereby allow the pivot block to push, pull or rotate the vertebrae to be treated.

REFERENCES:
patent: 2696817 (1954-12-01), Preuo
patent: 5034011 (1991-07-01), Howland
patent: 5047029 (1991-09-01), Aebi et al.
patent: 5053034 (1991-10-01), Olerud
patent: 5129900 (1992-07-01), Asher et al.
patent: 5254118 (1993-10-01), Mirkovic

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