An unknown zimmer screw and a unknown tsv 4.7 x 11.5 mm implant were not returned.Since products have not been returned, visual/functional inspection could not be performed.The investigation has been performed based on the available information.The customer did not claim any issues and no allegation of malfunction with unknown tsv implant.No further investigation will be conducted for the unknown tsv implant.No pre-existing conditions were noted on the per.The reported device location is unknown and was used for approximately 14 years ago.Pictures or x-ray images were not provided.Appropriate documentation was reviewed.Dhr review and complaint history review could not be performed, as the lot number associated with the reported product is not available.Zimmer biomet quality management system (qms) has controls in place to ensure the distribution of conforming product within specifications.No complaint history review could be performed without relevant lot and item information.Based on the available information, device malfunction could not be verified and the reported event was non-verifiable.The following sections have been updated: g7: checked "follow-up." h3: changed "yes" to "no.".
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