(b)(4).Report source: (b)(6).Reported event was confirmed as visual inspection of pictures identified blood on devices.Wear was observed on the bearing.Device history record (dhr) review was unable to be performed as the lot number of the device involved in the event is unknown.A definitive root cause could not 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.Multiple mdr reports were filed for this event, please see associated reports: 0001822565-2021-01353.
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