Section h10: the cori drill rob10013, sn (b)(6), used during treatment, was returned for evaluation.Nothing was visually identified that contributed to the reported failure.A functional evaluation was performed.The reported scenario could be confirmed, the drill was overheating and not spinning properly.It was noticed that during a kpc test, the handpiece was loud and was hot to the touch.The drill was taken apart for further investigation.It was noted that there were 2 bearings in the carriage that had disintegrated.After swapping the 2 shaft bearings from the carriage, the handpiece passed all kpc tests and a test case without any other failures or overheating.The most likely cause for this event is due to the broken shaft bearings within the carriage.A review of manufacturing and service records indicate the device met all specifications upon release into distribution.A complaint history review for similar reported/confirmed complaints found similar events.A historical escalation event review was completed.A review of prior escalation actions found no actions applicable to the scope of the reported complaint.The real intelligence cori for knee arthroplasty user manual (500230 rev d) provides guidelines for recovering to a fully manual procedure in the "recovery procedure guidelines, appendix d".The failure mode and associated risk have been anticipated within the risk file and the documented risk level is still adequate.Although no further containment or corrective action is recommended or required at this time, the failure mode will continue to be closely monitored through complaint investigation and trended through post market surveillance activities.Internal complaint reference number: (b)(4).
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