Boucher Screw Fixation of the Spine: A Translaminar Pedicle Screw Technique
In the 1940s the celebrated Canadian spinal surgeon Boucher  conceived the notion of the translaminar pedicle screw to immobilize lumbar spinal segments, thus promoting a higher rate of spinal fusion and permitting earlier unrestrained postoperative patient mobilization (Fig. 1). In this way, rigid immobilization was obtained for the 10 weeks required for graft taking. In 1948, King  described a method of internal fixation of the facet joints using short screws placed almost transversely across the lateral articulations.
KeywordsSpinal Fusion Spinous Process Ligamentum Flavum Posterior Spinal Fusion Spongy Bone
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