It was reported that, after a cori assisted surgery, it was found that inner parts of the ri robotic drill attachment were broken.This was found while cleaning the device.As this happened after surgery, the patient was no longer involved.
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H3, h6: the ri robotic drill attachment (japan), rob10015, (b)(4) intended for use in treatment was returned for evaluation.A relationship between the reported event and the device was established.Nothing was identified visually that contributed to the reported problem.A functional evaluation was performed.The reported problem was confirmed.The bearing shaft is tight when a bur is run through.A kpc was performed and passed.The drill attachment was hot to the touch after testing.The drill attachment was disassembled and it was found that there was debris inside the shaft between the bearings causing resistance.The most likely cause of this event was debris inside the bearing shaft of the drill attachment causing heat and improper functionality.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 review was completed.A review of prior escalation actions found no actions applicable to the scope of the reported complaint this case.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, all complaints are monitored and trended through post market surveillance activities.
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