An olympus field service engineer (fse) was dispatched to the user facility to complete a device evaluation and repair.The fse replaced the grey connectors.Once completed, the device was tested and passed all required testing and specifications.As stated on the ifu and as a preventive measure, the user manual states: the oer-pro requires routine maintenance and inspection.In addition to checks before use, the person in charge of maintenance and administration of the medical equipment at the hospital should periodically check all of the items described in this manual.If any irregularity is observed, do not use the equipment and inspect it as described in 8.1, ¿troubleshooting guide¿ on page 274.If the irregularity is still present, the equipment must be repaired prior to next use.
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This supplemental report is being submitted to provide review of the device history records (dhr).The device history records for this device were reviewed and all records indicated that the product was manufactured according to all applicable procedures and met final product release criteria.No abnormalities were found.The root cause of the event cannot be conclusively determined.It was presumed that the gray connector unit came apart and may have caused disconnection of the connecting tube.The user may have added stress to the gray connector.The stress may have caused the event.Design of the device or manufacturing, cannot be confirmed as factors to cause of the event.It was presumed that the user added stress toward the direction to the connector get loose, which led to the event.As stated on the ifu (instruction for use) and as a preventive measure, the user manual states: check the following for each connector.The connector should be fixed firmly.The o-rings should be free of abnormalities such as cracks, tears, or dents.
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