The subject device was not returned to olympus medical systems corp.(omsc) for evaluation.The manufacturing record was reviewed and found no irregularities.The exact cause of the reported event could not be conclusively determined.Since the forceps channel was air leaked, omsc presumed that it flooded from there and the operation deteriorated due to rusting of wires, cable supports, coil pipes, etc., leading to angle lock.
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Olympus medical systems corp.(omsc) was informed that during the incoming inspection for repair at olympus service operation repair center (sorc) on september 29, 2021, it was found that the angle knob did not move due to deterioration of the angulation mechanism by rust.There was no report of patient injury associated with the event.
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