This supplemental report is being submitted to provide additional information.The subject device was not returned to olympus medical systems corp.(omsc) for evaluation, but was returned to olympus south korea (okr).Omsc reviewed the manufacturing history (dhr) of the subject device and confirmed no irregularity.Okr evaluated the device and confirmed that the angulation of the bending section of the device was abnormally curved.The exact cause of the reported phenomenon could not be conclusively determined.Based upon the past similar case, the reported phenomenon could have occurred, as the angulation wire which manipulates the bending section was stuck due to the internal metal parts deformed by angulating the bending section while the bending section been fixed.
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