Spinal hook

Details Spinal hook Spinal hook

1991-12-31

1993-09-21

Apley, Richard J.

Surgery

Instruments

Orthopedic instrumentation

606 72, A61F 500

Patent

active

052464423

ABSTRACT:
A new spinal hook of the present invention which comprises a hook-configured shoe with an integral portion. The top portion includes a pair of central posts which are displaced to form a slot therebetween. Each central post includes a groove colinearly formed to receive a spinal rod within. The slot between the two posts is oriented with respect to the grooves so that an eyebolt assembly may be used to engage the hook to the fixation rod. In another aspect of the invention, a slot is formed in the end faces of the hook. The slot forms one part of a tongue and slot instrumentation engagement arrangement, with the hook-holding instrument including a correspondingly configured tongue. In another aspect of the invention, each of the pair of central posts include grooves on both lateral faces of the posts so that the spinal rod can be situated on either side of the spinal hook.

REFERENCES:
patent: 4567884 (1986-02-01), Edwards
patent: 4648388 (1987-03-01), Steffee
patent: 4815453 (1989-03-01), Cotrel
patent: 5002542 (1991-03-01), Frigg
patent: 5007909 (1991-04-01), Rogozinski
TSRH Surgical Technique Manual of Danek Medical, Inc. (1990).

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