The customer suspected device was returned for investigation.The olympus service center confirmed the reported event during inspection and testing.Upon evaluation of the returned device the following defects were found, cleaning brush got caught in the instrument channel, leading to a blocked channel, angle rubber glue separated and deteriorated, distal end cover dented and surface scratched, connecting tube buckled, scope connector electrical contact damaged, and angulations out of specification.The faulty parts were replaced, and the device was returned to the user facility.The investigation is ongoing.A supplemental report will be submitted upon completion of the investigation or if any additional information is provided by the user facility.
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This report is being supplemented to provide additional information based on the legal manufacturer's final investigation and information received from the customer.A review of the device history record found no deviations that could have caused or contributed to the reported issue.Based on the results of the investigation, the root cause could not be determined.It was confirmed that a cleaning brush was found clogged in the biopsy channel, which likely occurred during reprocessing.The brush was removed during inspection.The cause of the brush remaining in the device could not be determined.The event can be detected and prevented by handling the device in accordance with the following instructions for use (ifu): gif-1100 operation manual "chapter 3 preparation and inspection" shows how to detect the event.Gif-1100 reprocessing manual "chapter 5 reprocessing the endoscope" shows how to prevent the event.Olympus will continue to monitor field performance for this device.
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