(b)(4).Multiple mdr's were filed for this event.Please see associated report(s): 0001825034 -2018 -07564; 0001825034 -2018 -07565; 0001825034 -2018 -07568; 0001825034 -2018 -07574; 0001825034 -2018 -07579.Concomitant medical products: unk part/lot-, proximal body, head, taper adaptor, 010000662 shell, lot 3423437; 010000848 liner, lot 3309813.Reported event was confirmed due to review of provided medical records and/or patient x-rays.Device history record (dhr) 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.Not returned to manufacturer.
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