This follow up report is submitted to provide the results of the legal manufacturer's investigation, including a device history record (dhr) review.We confirmed via dhr review that the subject equipment was shipped in accordance with specifications.As the actual item was not available and the material of the object unknown, we cannot conclusively specify the cause of the reported event.Probable cause for the reported issue, black particles in basin, is the hose in the subject equipment has peeled off, as fine particles, due to deterioration from long time use.Olympus will continue to monitor the field performance of this device.
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