Anterior thoracolumbar plate

Details Anterior thoracolumbar plate Anterior thoracolumbar plate

1992-09-24

1994-06-28

Isabella, David

Surgery

Instruments

Orthopedic instrumentation

606 69, A61B 1756

Patent

active

053242904

ABSTRACT:
An internal anterior fixation system for treatment of vertebral burst fractures includes an elongated plate having longitudinal axis which includes integral superior, inferior and bridge portions. The superior and inferior portions are provided for fixation to corresponding vertebrae while the bridge portion spanning between the portions over the affected vertebra. The superior portion includes a pair of generally parallel elongated slots therethrough each having scallops on for receiving bone fixation screws or bolts. The inferior portion includes a pair of openings through which fixation screws or bolts extend. The slots in the superior portion allow for compression or distraction of the intermediate vertebral region. The openings in the inferior portion are oriented at an oblique angle relative to the axis of the plate to provide a quadrilateral fixation construct. The bridge portion has a width significantly less than the width of the superior and inferior fixation portions.

REFERENCES:
patent: 4503848 (1985-03-01), Caspar et al.
patent: 4696290 (1987-09-01), Steffee
patent: 4800874 (1989-01-01), David et al.
patent: 4867144 (1989-09-01), Karas et al.
patent: 5015248 (1991-05-01), Burstein et al.
patent: 5147361 (1992-09-01), Ojima et al.

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