The fragment was not sent to olympus.The subject device in this report has not been returned to omsc for evaluation, but was returned to olympus (b)(4).(b)(4) confirmed the followings during inspecting the subject device.The subject device passed the air leakage testing at (b)(4).The adhesive of one of the two light guide lenses was completely missing.The adhesive of other light guide lenses was deteriorated and partially missing.No other than the above material or components were found to be missing from the subject device.There were cracks and chippings in the light guide lenses.Omsc reviewed the manufacturing history of the subject device and confirmed no irregularity.Although (b)(4) has not received the fragment itself, it is surmised that the fragment found within the patient bladder was missing adhesive from the light guide lenses.The instruction has already warns and instructs; before each case, prepare and inspect this instrument as instructed below.Inspect other equipment 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 9, ¿troubleshooting¿.If the irregularity is still suspected after consulting chapter 9, contact olympus.Damage or irregularity may compromise patient or user safety and may result in more-severe equipment damage.If the endoscope is visibly damaged, does not function as expected or is found to have irregularities during the inspection described in chapter 3, ¿preparation and inspection¿, do not use the endoscope.Contact olympus.Some problems that appear to be malfunctions may be correctable by referring to section 9.1, ¿troubleshooting guide¿.If the problem cannot be resolved by the described remedial action, stop using the endoscope and send it to olympus for repair.If additional information becomes available, this report will be supplemented.
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