It was reported that, while burring the distal femur during a cori assisted ukr surgery, the drill was spinning slowly and not removing very much of the bone.A kpc test was performed and failed the maximum set speed multiple times.The procedure was completed manually, without delay.Patient was not harmed.
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The cori, real intelligence robotic drill, part number rob10013, (b)(6), used for treatment was returned for evaluation.A relationship between the reported event and the device could not be established.Nothing was identified visually that contributed to the reported problem.A functional evaluation was performed, and the reported problem was not confirmed.A kpc test was completed multiple times without error.A case and calibration were also completed multiple times without error.The system is operating as intended.Although the reported problem was not confirmed through a visual or functional evaluation, factors contributing to the reported symptom may have been associated with debris in the carriage.Review of manufacturing records found no related non-conformances or anomalies associated with this serial number during production.A complaint history review for similar reported/confirmed complaints found similar events.A historical escalation event review was completed.Prior escalation actions are not applicable to the scope of the reported complaint.Refer to the real intelligence cori for knee arthroplasty user manual, section assembling the robotic drill for proper set up and handling.The failure mode and associated risk have been anticipated within the risk file and the documented risk level is still adequate.Although no further action will be taken at this time the issue will be continuously monitored through complaint investigation and post market surveillance.
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