This report is being supplemented to provide additional information based on the legal manufacturer's investigation.A review of the device history record found the device is a refurbished.The subject device has not been repaired within the past year.Based on the results of the investigation, the cause of the suggested event cannot be specified.From the evaluation findings, it was presumed that the user manipulated the device and excessive stress applied to the bending section, which damaged the bending tube: user can properly detect the suggested event by handling device in accordance with the following ifu (instruction for use) description: precautions : perform a leakage test on the endoscope after each precleaning procedure.Do not use the endoscope if a leak is detected.Use of an endoscope with a leak may cause a sudden loss of the endoscopic image, damage to the bending mechanism, or other malfunctions.Use of a leaking endoscope may also pose an infection control risk.·inspection of the endoscope : inspect the external surface of the entire insertion section, including the bending section and the distal end for dents, bulges, swelling, scratches, peeling of coating, holes, sagging, transformation, bends, adhesion of foreign bodies, missing parts, protruding objects, or other irregularities.¿ ·do not operate the angulation control lever with excessive force in a narrow space to the opposite direction from the bending direction while the distal end of the endoscope is not moved.The bending section may be damaged.Check the tip position of the endoscope and the shape of the bending section using fluoroscopy, etc.Do not insert the insertion tube with excessive force and twist.·do not insert the insertion tube with excessive force into the ureter or calix.The bending section may be damaged.Olympus will continue to monitor complaints for this device.
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