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1. (WO2018039252) ARTICULATING DEROTATORS FOR DEFORMITY SPINAL SYSTEMS

Pub. No.:    WO/2018/039252    International Application No.:    PCT/US2017/048045
Publication Date: Fri Mar 02 00:59:59 CET 2018 International Filing Date: Wed Aug 23 01:59:59 CEST 2017
IPC: A61B 17/70
A61B 17/88
Applicants: ZIMMER BIOMET SPINE, INC.
Inventors: FARMER, Heidi
PARKER, Jared
COXON, Chad
Title: ARTICULATING DEROTATORS FOR DEFORMITY SPINAL SYSTEMS
Abstract:
A surgical derotator instrument comprises a shaft, a handle and an articulating coupler. The shaft comprises a first end portion having a bone anchor coupling and a second end portion opposite the first end portion. The handle comprises a body portion and a slot extending in the body portion. The articulating coupler connects the shaft and the handle. A method for coupling a plurality of derotator instruments into a series of derotator instruments comprises: attaching a plurality of derotator instruments to a plurality of adjacent bone anchor housings, each derotator instrument comprising: a shaft for connecting to a bone anchor housing, a handle having a slot, and an adjustable coupler connecting the shaft and the handle; adjusting one or more of the adjustable couplers to align at least one of the slots of the series with other slots of the series; and inserting an elongate member through the at least one slots that are aligned.