The device was returned to olympus for evaluation.The customers¿ allegation of collapse, buckling, depression, scratch, cut, wrinkles of the insertion section was confirmed.The connecting tube had a specified dent.Additionally, during inspection and evaluation, olympus identified the forceps channel port was shaved, due to physical stress of the device.The following events were noted in the evaluation and are as follows: (a.) the distal end was burnt, (b.) the adhesive on the bending section cover, or distal end (a-rubber) had a chip, (c.) the universal cord had a scratch, (d.) the protector of universal cord on control section side had a cut, (e.) due to damage on channel tube, forceps cannot be inserted smoothly, this was due to buckling and deformation of the channel, (f.) the control unit, the grip, and the lock engagement lever had a scratch, (g.) the up down plate had discoloration, (h.) the angulation lever had a scratch, (i.) the insertion tube rotation ring had a scratch, (j.) the light guide connector had a scratch, (k.) the video cable had a scratch, (l.) the video connector had a scratch, (m.) and the video connector case had a scratch.A review of the device history record found no deviations that could have caused or contributed to the reported issue.It has been over 14 years since the subject device was manufactured.Based on the results of the investigation, the phenomenon could attributed due to stress of repeated use, external factors, or handling.The root cause of this event was unable to be identified.Olympus will continue to monitor field performance for this device.
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