This supplemental report is being submitted to provide the results of the legal manufacturer's final investigation.Additional information added to field d8, d9, h3, h4, h6.A review of the device history record found no deviations that could have caused or contributed to the reported issue.The device was returned to olympus for inspection, and the customer's complaint of broken tip of the sheath was confirmed.Based on the results of the investigation, it is likely the malfunction was caused due to thermo-mechanical fatigue, improper handling, wear and repeated use over time.However, a definite root cause that led to malfunction could not be identified.The event can be prevented by following the instructions for use which state: before using the product, the warning notices in the ifu should be followed to ensure a faultless condition of the product.See especially chapter 4: ¿warning infection control risk: properly reprocess the product before first and each subsequent use following the instructions in this manual and in the system guide endoscopy.Improper and/or incomplete reprocessing can cause infection of the patient and/or medical personnel.4.1 inspection and testing inspecting the product: visually inspect the product.Make sure that it has: -- no corrosion -- no dents -- no scratches ceramic insulation at distal end: visually inspect the ceramic insulation at the sheath¿s distal end before each use.Do not use the instrument in case of damage (e.G.Cracks, fractures).Warning risk of injury: impact, fall, shock, or similar stress can damage the ceramic insulation at the sheath¿s distal end.Damaged instruments can cause injuries to the patient and/or user.Do not use the instrument if damaged.Damaged product: if the product is damaged or does not function properly, contact an olympus representative or an authorized service center.¿ olympus will continue to monitor field performance for this device.
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