Spinal column rod fixation system

Details Spinal column rod fixation system Spinal column rod fixation system

1996-02-09

1997-11-18

Buiz, Michael

Surgery

Instruments

Orthopedic instrumentation

606 73, A61B 1770

Patent

active

056882750

ABSTRACT:
An implantable vertebrae prosthesis for use in aligning and strengthening the adjacent vertebrae in the lumbar region of the spinal column is disclosed. After implantation, the prosthesis maintains a low profile and is usually not felt by the patient after healing. The prosthesis is designed to provide support to the degenerative lumbar region of the spine. The spinal fixation apparatus includes a cortical screw, a connecting rod, a cylindrical plug, an adjustable cap, a block, and a retaining nut which will lock together when the retaining nut is tightened to lock all of the components together as a unit after implantation. The prosthesis is self-locking.

REFERENCES:
patent: 4743260 (1988-05-01), Burton
patent: 4854311 (1989-08-01), Steffe
patent: 4887595 (1989-12-01), Heinig et al.
patent: 5030220 (1991-07-01), Howland
patent: 5084049 (1992-01-01), Asher et al.
patent: 5092867 (1992-03-01), Harms et al.
patent: 5242445 (1993-09-01), Ashman

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