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The device was returned to olympus for evaluation.The user¿s complaint was confirmed.The device was visually inspected, and found the f-knob was moving with the right/left (r/l) knob.The forceps riser (elevator) is slightly low.There are scratches in the probe unit tip.The listed parts were replaced.The device is fully functional, and returned to the user facility.
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This supplemental report is being submitted to provide additional information and device manufacturer date.The legal manufacturer reviewed the content of this complaint for further investigation.The initial report of the scope¿s angulation was not a reportable event; however, due to the stained lens found during evaluation, it was determined that the complaint would be processed to addressed the scope¿s stain lens.The legal manufacturer reported that the root cause could not be determined.As a result of confirming dhr, it was confirmed that there was no abnormality in manufacturing, special adoption, and dispersion.The lm reported that the most probable causes for the reported event are as follows: the following factors could be considered based on the phenomena proposed.Excessive impact or the like was applied to the tip, resulting in a gap in the tip adhesion, from which dirt penetrated the inside of the lens, leading to the occurrence of a phenomenon.When the device was used with its service life largely exceeded, the parts concerned were deteriorated and gaps were generated, and dirt entered the inside of the lens from the status, resulting in the occurrence of a phenomenon.Crack on the c-cover (a gap has occurred) root cause could not be determined, but the following factors could be considered based on the phenomena proposed.Cracks occurred due to excessive impact on the distal end.The crack was caused due to deterioration of the part where the device was used in a condition that greatly exceeded the service life of the equipment.It is highly probable that all of the above phenomena occurred as a result of handling the product.
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