The device referenced in this report was returned to omsc for evaluation.The evaluation confirmed that the bending section rubber of the subject device was partially torn and missing and there was a hole in the bending section rubber.There was a scratch in the bending section rubber and crack in the glue of the bending section.Omsc reviewed the manufacture history of the subject device and confirmed no irregularity.The cause of the missing of the bending section could not be determined, but a strong physical stress may cause the damage.The operation manual has already warns "before each case, prepare and inspect this instrument as instructed below.Inspect other equipment to be used with this instrument as instructed in their respective instruction manuals.Should the slightest irregularity be suspected, do not use this instrument and see chapter 10,".
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