Apparatus for maintaining vertebrae in a desired spatial relatio

Details Apparatus for maintaining vertebrae in a desired spatial relatio Apparatus for maintaining vertebrae in a desired spatial relatio

1992-02-20

1993-06-08

Apley, Richard J.

Surgery

Instruments

Orthopedic instrumentation

606 63, A61F 500

Patent

active

052174611

ABSTRACT:
An apparatus for maintaining vertebrae in a desired spatial relationship in a spinal column includes an elongated one-piece rod which extends along the spinal column. An upper portion of the rod has a diameter which is less than the diameter of a lower portion of the rod. A first plurality of connector assemblies engage the lower portion of the rod and connect the lower portion of the rod to vertebrae. A second plurality of connector assemblies engage the upper portion of the rod and connect the upper portion of the rod to vertebrae which are disposed in the spinal column above the vertebrae to which the lower portion of the rod is connected.

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patent: 5074864 (1991-12-01), Cozad et al.

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