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, it is likely the phenomenon is due to the bending section cover glue deteriorated caused by physical stress and/or chemical stress and fell off by use in deteriorated condition.However, the root cause of the phenomenon could not be specified.The event can be detected and prevented by following the instructions for use which state: ¿inspect the external surface of the entire insertion section including the bending section and the distal end for dents, bulges, swelling, scratches, holes, sagging, transformation, bends, adhesion of foreign bodies, missing parts, protruding objects, or other irregularities.¿ "do not strike, hit, or drop the distal end, insertion tube, bending section, control section, universal cord, or endoscope connector of the endoscope.Also, do not bend, pull, or twist the distal end, insertion tube, bending section, control section, universal cord, or endoscope connector of the endoscope 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." "olympus endoscopic equipment is compatible with several methods of reprocessing.However, certain components and accessories are not compatible with some methods, which can cause equipment damage.For appropriate reprocessing methods, refer to table 2.1 below, the recommendations of your infection control committee, and all national and local hospital guidelines and policies." olympus will continue to monitor field performance for this device.
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