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The device was returned to olympus as part of the asset return process.Upon evaluation, besides the reportable malfunction of white foreign material in the a/w cylinder, the following non-reportable malfunctions were identified: water tightness was lost due to a crack on the scope cover, deformation of right/left knob, and deformation of up/down knob; switch 1 and 2 were cut; there was no color on the a/w cylinder; grip was shaved; forceps channel port had a dent; due to water leakage there was corrosion on base plate, plug unit, cable unit, scope connector case, and circuit board unit in scope connector; damage on scope connector, cover of charged coupled device, and instrument guide protector; deformation of connecting tube and universal cord; and evidence of third party repair.The investigation is ongoing, and a supplemental report will be submitted upon completion of the investigation or if any additional information is provided.
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This report is being supplemented to provide additional information based on the legal manufacturer's final investigation and device evaluation.A review of the device history record found no deviations that could have caused or contributed to the reported issues.It has been over 6 years since the subject device was manufactured.Based on the results of the legal manufacturer¿s investigation and the available information, the foreign material could not be identified, and likely remained due to insufficient reprocessing.However, a definitive root cause could not be determined.The event can be detected/prevented by following the instructions for use (ifu): the ifu states the detection method in gif/cf/pcf-190 series operation manual chapter 3 preparation and inspection.The ifu states the preventative measures in gif/cf/pcf-190 series reprocessing manual chapter 5 reprocessing the endoscope.Olympus will continue to monitor field performance for this device.
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