One torque wrench hex driver 1.25mmd (tw1.25) was returned for investigation.Visual evaluation of the as returned product identified that the tip was fractured off.Functional testing could not be performed since the device was fractured.Pre-existing patient conditions, tooth location, implantation period and x-ray images are irrelevant to this investigation.Per the applicable ifu, it is stated that surgical instruments and instrument cases are susceptible to damage and wear.Improper technique can cause device failure.Dhr review: 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.Complaint history review: a year-long complaint history review by item number (tw1.25) was performed for similar events and no complaint related to nonconforming products was identified.Post market trending review: december 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.
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