(b)(4).Multiple mdr reports were filed for this event, please see associated reports: 0001822565-2018-06916.Concomitant medical products: item #: 00597909541, lot #: 64093400.Foreign report source: (b)(6).Reported event was unable to be confirmed due to limited information received from the customer.Device history record (dhr) review was unable to be performed as the lot number of the device involved in the event is unknown.Medical records were not provided.The damaged/bent tabs in the reamer blade show the damages might be caused during the mating process and causes the mating issue.But, sufficient information was not provided to support this claim as the reamer guide used in procedure was not returned.A definitive root cause cannot 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.
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