Fastener for the osteosynthesis of the spinal column

Details Fastener for the osteosynthesis of the spinal column Fastener for the osteosynthesis of the spinal column

1994-02-23

1996-01-23

Pellegrino, Stephen C.

Surgery

Instruments

Orthopedic instrumentation

606 73, 403122, A61B 1770, A61B 1786

Patent

active

054861748

ABSTRACT:
A fastener for relieving stress on a disc adjacent at least two vertebrae which are mechanically connected during osteosynthesis of the spinal column which fastener includes a fastening rod having a first portion which is secured to the at least two vertebrae by tightening elements provided on pedicle screws and a second portion, whose diameter is smaller than that of the first portion, which slides in a guidance element which is anchored in of the vertebra located adjacent the at least two vertebrae which are mechanically locked relative one another.

REFERENCES:
patent: 4411545 (1983-10-01), Roberge
patent: 4693240 (1987-09-01), Evans
patent: 5042982 (1991-08-01), Harms et al.
patent: 5176680 (1993-01-01), Vignaud et al.
patent: 5209751 (1993-05-01), Farris et al.
patent: 5306275 (1994-04-01), Bryan
patent: 5352226 (1994-10-01), Lin

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