(b)(4).Complaint sample was evaluated and the reported event was not confirmed.The potential field service lifetime of the drill bit was 7.5 years.The flute of the drill bit is bent, rendering the instrument unusable.Dhr was reviewed and no discrepancies were found.Root cause could not be determined with information available, however it was mentioned that the patient had particularly hard bone which could have contributed to the damage.Dhr was reviewed and no discrepancies were found.Review of the complaint history determined that no further action is required as no were trends 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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