The subject device was not returned to omsc for evaluation.Omsc reviewed the manufacture history (dhr) of the subject device and confirmed no irregularity.The exact cause of the reported event could not be conclusively determined.However, based upon the information from the olympus australia there was the possibility that this phenomenon was attributed to either of the followings.The insertion tube of the subject device had the perforation, the blood invaded into the subject device from the perforation.The blood was attached on the surface of the insertion tube of the subject device.
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