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(b)(4).This follow-up report is being submitted to relay additional information.The following sections were updated: b4, d9, d10, g3, g6, h2, h3, h6, h11.D10: item # 110010717, g7 depth gauge, lot # 016294.The instrument was returned for investigation.The event can be confirmed as the instrument is fractured in the spring-shaped area.The results of the fracture analysis state that the microstructure of the sample does not indicate any material defects; however, the surface deformation induced by the manufacturing process might lead or contribute to the fracture of the spring shaped part of the instrument.A review of the device manufacturing records confirmed no abnormalities or deviations.Review of the complaint history identified additional similar complaints for the reported item and no additional similar complaints for the reported part and lot combination.Based on the available information, the reported event can be confirmed.A root cause cannot be identified.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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