The subject device has not been returned to olympus medical systems corp.(omsc) but was returned to olympus (b)(4).(obv).In the evaluation of obv the following was confirmed in the instrument channel; there was no foreign materials, but there was a lot of debris derived from the instrument channel material.Kinked at 20 cm from the distal end.There was heavy scratches.The exact cause of the reported event could not be conclusively determined at this time.If additional information becomes available, this report will be supplemented.
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