(b)(4).The actual device was returned for evaluation.During repair, an evaluation was performed and it was determined that the reported condition was confirmed.The assignable root cause was determined to be due to component failure.If additional information should become available, a supplemental medwatch will be submitted accordingly.
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It was reported from (b)(6) that during service and evaluation, it was determined that the battery oscillator device saw head could not be rotated or lock in a new position and the saw attachment was damaged.It was further determined that the device failed pretest for saw head ratchet, saw blade coupling, correct clamping nut, trigger test and functional test.It was noted in the service order that the device did not work.This event did not occur during surgery.There was no patient involvement.There were no reports of injuries, medical intervention or prolonged hospitalization.The exact date of the event was unknown.However, it was reported that the event occurred in 2019.All available information has been disclosed.If additional information should become available, a supplemental medwatch will be submitted accordingly.
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