System for stabilizing the spine and reducing spondylolisthesis

Details System for stabilizing the spine and reducing spondylolisthesis System for stabilizing the spine and reducing spondylolisthesis

1995-05-30

1996-07-02

Tucker, Guy

Surgery

Instruments

Orthopedic instrumentation

606 70, 606 71, 606 72, A61B 1770

Patent

active

055317472

ABSTRACT:
A system for achieving reduction of curvature of the lumbar region of the spine associated with spondylolisthesis includes transverse plates affixed to vertebrae L4 and L5 and sacral plates affixed to opposite sides of the sacrum. These 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. The transverse plates include textured surfaces which 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:
patent: 1025008 (1912-04-01), Miner
patent: 3604414 (1971-09-01), Borges
patent: 4246660 (1981-01-01), Wevers
patent: 4454876 (1984-06-01), Mears
patent: 5234431 (1993-08-01), Keller
patent: 5261909 (1993-11-01), Sutterlin et al.
patent: 5290288 (1994-03-01), Vignaud et al.

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