This follow-up report is being submitted to relay additional information.Complaint sample was evaluated and the reported event was confirmed.Visual inspection of the drill confirmed it had snapped.The drill bit was heavily indented, from multiple use.The chuck end on the drill bit was badly marked from use, and the shaft of the drill was heavily tarnished from repeated cleaning and reprocessing.The fracture point was burred and uneven.The investigation has taken into consideration the age and condition of the instrument, which has concluded the drill bit failure was due to wear and tear from excessive use during the 7 years of service.Dhr was reviewed and no discrepancies were found.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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