The subject device was returned to omsc for evaluation.Omsc checked the subject device and found the reported phenomenon, and omsc also found that the insertion tube had dents and scratches around the peeling of the coating and the bending section had been damaged.Omsc could not reviewed the manufacture history (dhr) of the subject device because more than fifteen years had passed since the subject device had been manufactured.Based upon the investigation result, omsc considered that the reported phenomenon might be attributed to the interference of the external circumstance.If additional information becomes available, this report will be supplemented.
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