This follow-up report is being submitted to relay additional and/or corrected information.The following sections were updated: b4, b5, d9, g3, g6, h1, h2, h3, h10.A visual examination of the product shows the locking thumb screw head has sheared off and is missing, the area around where the the the locking screw is fastened has dings and dents consistent with impaction with another instrument.Review of the device history records identified no deviations or anomalies during manufacturing that could be related to the reported event.This device is used for treatment.A definitive root cause cannot be determined.If any further information is found which would change or alter any conclusions or information, a supplemental report will be filed accordingly.Zimmer biomet will continue to monitor for trends.
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