The subject device was returned to olympus for evaluation.The string was caught in the scissors.The scissor's blade was partially missing.The manufacturing record was reviewed and found no irregularities.This type of the event is most likely related to the operator's technique.Based on the past similar cases, it was known that this event occurred since an object other than the surplus of olympus loop was cut.The instruction manual of the device has already warned as follows: do not use the instrument to cut any objects other than the surplus of olympus loop (e.G., maj-254, maj-340).If anything other than the surplus of the loop is cut, the blades may be damaged and unable to perform properly, the cut object may be caught in the tip of the instrument, and it may become difficult to safety remove the instrument from the body.Such objects other than the surplus of loop may include stent wire, sewing threads, and loop stoppers.
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During an esd, the subject device was used.The user tried to cut the string attached the clip, but the string wasn't cut.The device could not be removed temporarily.The user applied tension to the device and the string was broke.The intended procedure was completed with another device.There was no patient injury reported.
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