Telescoping spinal fixator

Details Telescoping spinal fixator Telescoping spinal fixator

1993-02-04

1994-08-09

Pellegrino, Stephen C

Surgery

Instruments

Orthopedic instrumentation

623 17, A61F 500

Patent

active

053362233

ABSTRACT:
The invention is a telescoping spinal fixator having axially aligned upper and lower bearing elements which fit within opposing cavities in vertebrae. The respective bearing elements are maintained at an adjustable distance apart by a connecting rod with a rotatable collar axially mounted intermediate the two bearing elements for adjusting the distance between the bearing elements. In its collapsed configuration, the two bearing elements are aligned proximate to one another with just sufficient space to permit access to the adjustment collar, which is otherwise disposed within cavities in each of the bearing elements.

REFERENCES:
patent: 3987499 (1976-10-01), Scharbach et al.
patent: 4401112 (1983-08-01), Rezaian
patent: 4528702 (1985-07-01), Frey
patent: 5059193 (1991-10-01), Kuslich
patent: 5084048 (1992-01-01), Jacob et al.
patent: 5092867 (1992-03-01), Harms et al.
patent: 5154718 (1992-10-01), Cozad et al.
patent: 5171278 (1992-12-01), Pisharodi
patent: 5246458 (1993-09-01), Graham

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