The device and the fragment have been returned to olympus medical systems corp.For evaluation.During the evaluation, it was confirmed that two parts of resin outside the insertion tube of the subject device were peeled off.Part 1: there were cracks and curling on the resin outside the insertion tube between 100 mm to 145 mm from the distal end of the subject device,.Part 2: there were tears in the axial direction on the resin outside the insertion tube between 200 mm to 210 mm from the distal end of the subject device.It was also confirmed that there were scratches on the fragment.Further, it was confirmed that there were scratches on the distal cover.The exact cause could not be conclusively determined, but the parts of resin outside the insertion tube might be damaged and fell off due to external physical stress.
|