(b)(4).Reported event was confirmed by revision operative notes.Revision op notes demonstrated that the patient was revised due to pain and elevated metal ion levels.During the revision, the cup was found minimally anteverted, but still great stability through a functional range of motion.New dual mobility liner, ceramic head, taper adapter were implanted with existing cup and stem.The hip was reduced and found stable.Review of the device history record identified no deviations or anomalies would contribute to reported event.Root cause was unable to be determined.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.
|