Technique and instrumentation for intervertebral prosthesis implantation

摘要

An assembly is used for preparing an intervertebral disc space between a pair of vertebral bodies to receive a prosthesis. The assembly comprises a distractor having a first distracting arm and a second distracting arm. The assembly further comprises a first anchoring fastener for movably coupling the first distracting arm to a first one of the vertebral bodies. The first anchoring device is able to rotate relative to the first distracting arm.