The device was returned to olympus repair center for evaluation.
The evaluation of the device confirmed the following: instrument channel port had an additional attached fitting maj-891.
The maj-891 is attached to the device before a procedure, and removed during reprocess.
When the maj-891 was removed, the instrument channel port came away from the device.
The manufacturing history (dhr) confirmed no irregularity.
Omsc guessed that the reported event was caused by the excessive stress occurred when putting on, and taking off the maj-891.
There is possibility that the excessive stress was caused by user handling.
If additional information becomes available, this report will be supplemented.
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