System for stabilizing the cervical and the lumbar region of the

Details System for stabilizing the cervical and the lumbar region of the System for stabilizing the cervical and the lumbar region of the

1993-06-10

1995-11-28

Pellegrino, Stephen C.

Surgery

Instruments

Orthopedic instrumentation

606 69, 606 71, A61B 1770

Patent

active

054703336

ABSTRACT:
A system for achieving reduction of curvature of the lumbar region of the spine associated with spondylolisthesis includes a hook assembly attached to vertebra L4, transverse plates affixed to vertebrae L4 and L5, and sacral plates affixed to opposite sides of the sacrum. The hooks and the plates in combination with the longitudinal plate along the posterior anterior plane in which the spinous processes lie allows for effective reduction of the curvature and secure fixation of this region of the spine. A related system for stabilizing the cervical region of the spine includes transverse plates affixed to vertebrae C3, C4, and C5. These plates in combination with a longitudinal plate allows for effective stabilization. The transverse plates include textured surfaces that allow them to mate in a manner which prevents undesirable slippage therebetween. The system is also compact and does not interfere with the paraspinal muscles which run along either side of the spinous processes.

REFERENCES:
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patent: 5102412 (1992-04-01), Rogozinski
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patent: 5261907 (1993-11-01), Vignaud et al.
patent: 5261909 (1993-11-01), Sutterlin et al.
"Chopin Plate," Cotrel-Dubousset Instrumentation, SOFAMOR, 6 pp. date unknown, author unknown.
"Triangulation of Pedicular Instrumentation," Ruland et al. vol. 16 No. 6 Supplement, 1991, S270-S276, Spine.
Posterior Cervical Stablization with Lateral Mass Plate Technique, Haid et al., p. 11, AME, Inc. Surgical Manual, date unknown.
"Lateral Mass Posterior Plating and Facet Fusion for Cervical Spine Instability," BNI Quarterly, vol. 7, No. 2, Spring 1991, p. 6. Author unknown.
"The TSRH.TM. System: designed with unmatched versaility," Shaping the Future of Spinal Instrumentation, Danek Group, Inc., 1992, p. 3. Author unknown.

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