(b)(4).Concomitant medical products: catalog # ni; unknown tm reverse glenosphere; lot # ni.Two baseplate inserters from same lot are returned for evaluation.Visual inspection show scratches from normal use.Dimensions taken are within specifications.Device history record (dhr) was reviewed and no discrepancies were found.A definite root cause cannot be determined with the information 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.Multiple mdr reports were filed for this event, please see associated reports: 0001822565 - 2018 - 04019.
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