One tool hex sst 1.25mm 22mm (hxl1.25) was returned for investigation.Visual evaluation of the as returned product identified that the tip was twisted and fractured.Functional testing could not be performed since the device was fractured.Pre-existing patient conditions, tooth location, implantation period, x-ray images are irrelevant to this investigation.Dhr review could not be performed since the lot number associated to the item was not provided.However, zimmer biomet quality management system (qms) has controls in place to ensure the distribution of conforming product.A year-long complaint history review by item number (hxl1.25) was performed for similar events and four other complaints were identified.January post market trending was reviewed and there were no actionable events or corrective actions for the reported event or product.Therefore, based on the available information, device malfunction did occur and the reported event was confirmed.The probable cause for the reported event is excessive torque applied during placement/seating due to improper surgical procedure or poor case planning.No further investigation or immediate capa / hhe/d escalation is required, as the complaint investigation did not confirm the product was nonconforming at the time of distribution, and no new failure mode, harm, or hazardous situation was identified through the investigation performed.
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