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The device was returned to olympus for evaluation and the customer's allegation was confirmed.The device evaluation found the following: due to a pinhole on channel tube, water tightness is lost; adhesive on bending section cover or distal rubber has a chip; connecting tube has a wrinkle; due to wear of angle wire, bending angle in upwards direction does not meet the standard value; due to damage on image guide bundle, the image has a stain; connecting tube has a scratch; eyepiece has a scratch; diopter ring has a scratch; control unit has a scratch; control unit has a scratch; grip has a scratch; venting connector under grip is shaved; and deformation or breakage due to physical stress; upwards/downwards plate has a scratch.This event is under investigation.A supplemental report will be submitted upon receiving additional information.
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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, the root cause of the event was unable to be identified.The event likely occurred due to use stress, external factors, or handling.The inspection method for this event is described as follows in the instructions for use "chapter 3 preparations and inspections 3.2 preparations and inspections of the endoscope"."inspection of the endoscope body.1.Visually check that there are no scratches, chips, deformation, or other abnormalities on the external appearance of the operation unit.2.Visually check that there are no bends, twists, bulges, or other abnormalities in the soft part near the boundary between the anti-break part and the insertion part.3.Check that there are no cracks, dents, bulges, edges, metal wires protruding from the inside, protrusions, floating resin, peeling, or other abnormalities in the appearance of the insertion tube.4.Grasp the insertion tube lightly with your hand and slide it along its entire length to make sure that it does not catch on the entire circumference.Also, confirm that the flexible part is not unusually hard (see figure 3.2)." olympus will continue to monitor field performance for this device.
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