(b)(4).No product was returned or pictures provided; visual and dimensional evaluations could not be performed.Radiograph was provided.It is noted the only issue with patient prior to revision was elevated metal ions.The image is also undated, therefore will not enhance the investigation.Device history record review was unable to be performed as the lot number of the device involved in the event is unknown.Root cause was unable to be determined as the necessary information to adequately investigate the reported event was not provided.If any further information is found which would change or alter any conclusions or information, a supplemental will be filed accordingly.Zimmer biomet will continue to monitor for trends.Multiple mdr reports were filed for this event, please see associated reports: 0001825034 - 2021 - 00082.
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