(b)(4).Concomitant medical products 414806 discovery prov lock screw unknown.414877 disc 4x75mm right ulna trial 7555919.414837 disc 5x100mm right hum trial 7555023.(b)(6).Locking screws along with the humeral and ulna trial are returned for evaluation; functional check confirmed the screw would not come out of the device.Device history record was reviewed and no discrepancies were found.Root cause was unable to be determined.A summary of the investigation has been sent to the complainant.Multiple mdr reports were filed for this event, please see associated reports: 0001825034-2019-00046, 0001825034-2019-05640.If any further information is found which would change or alter any conclusions or information, a supplemental report will be filed accordingly.Zimmer biomet will continue to monitor for trends.
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