This report is being supplemented to provide additional information based on the legal manufacturer's final investigation.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, a definitive root cause could not be established.The suggested phenomenon was presumed to have been due to excessive force being applied to the passive bending section during user handling, which caused braids to break and protrude from the a-rubber (bending section cover).The user can detect the suggested event properly by handling device in accordance with the following instructions for use (ifu): ¿·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.¿ the user may have reduce / prevent occurrence of the suggested event by handling device in accordance with the following ifu: ¿·do not strike, hit, or drop the endoscope¿s distal end, insertion tube, bending section, control section, universal cord, video connector, or light guide connector.Also, do not bend, pull, or twist the endoscope¿s distal end, insertion tube, bending section, control section, universal cord, video connector, or light guide connector with excessive force.The endoscope may be damaged and could cause patient injury, burns, bleeding, and/or perforations.It could also cause parts of the endoscope to fall off inside the patient.¿ never perform angulation control forcibly or abruptly.Never forcefully pull, twist, or rotate the angulated bending section.Patient injury, bleeding, and/or perforation may result.It may also become impossible to straighten the bending section during an examination.¿ olympus will continue to monitor field performance for this device.
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