As reported, the subject revision surgery was to correct a loose screw.The surgeon opted to remove the ø7.0mm screw on the bottom right side, and replace the subject screw with a biedermann ø8.0mm pedicle screw.Additionally, the upper screws of the construct were removed and replaced with competitor's ø9.0mm screws.The surgeon was able to complete the surgery without reported delays.There are no reports of impact on the patient's outcome as a result of the revision surgery.Product will not be returned.
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