The reported device was not returned to olympus for evaluation.The cause of the reported event could not be confirmed at this time.However, the instruction manual (pages 3-4) provides warning and cautions to mitigate the risk of device damage and patient injury which states: do not insert the instrument into the endoscope if the grasping portion is not completely retracted into the insertion portion.Do not advance or extend the instrument abruptly.Do not operate the slider or ring while insertion into the endoscope.The distal end of the insertion portion may extend from the distal end of the endoscope abruptly.This could cause patient injury, such as punctures, hemorrhages or mucous membrane damage.It may also damage the endoscope and/or instrument.Do not push the ring and/or pull the slider abruptly.Do not force the distal end of the insertion portion against body cavity tissue.This could cause patient injury such as punctures, hemorrhages or mucous membrane damage.It may also damage the endoscope and/or instrument.Do not withdraw the instrument from the endoscope while the grasping portion is open.This could damage the endoscope or instrument.In addition, prior to operation the instruction manual states to always have a spare instrument available.
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