This supplemental report is being submitted to provide the results of the legal manufacturer's final investigation. new information added on field: h6.A review of the device history record found no deviations that could have caused or contributed to the reported issue.It has been over 4 years since the subject device was manufactured. the legal manufacturer reviewed the customer provided the cleaning disinfection and sterilization (cds) processes where [no obvious deviations from instructions for use (ifu) were identified.Based on the results of the investigation and the information provided, it could not be definitively determined what the white crystalized foreign material was (possibly silicone).There was no damage to the area where the foreign material was detected, and the reprocessing was performed according to the instructions for use (ifu).Therefore, the cause of the material remaining in the device could not be determined.The event can be [detected/prevented] by following the instructions for use: operation manual, chapter 3, section 3, inspection of the endoscope and reprocessing manual chapter 4, ¿reprocessing workflow for endoscopes and accessories¿.Olympus will continue to monitor field performance for this device. .
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