The device was not returned to olympus for evaluation.Therefore, the cause of the reported event could not be conclusively determined.However, based on similar reported events, the operator's technique could not be ruled out as a contributing factor to the reported event.The instruction manual provides several warning and caution statements in an effort to mitigate equipment damage and harm to the patient."verify that the disposable applicator is properly set for firing by checking the index trigger position as follows.When selecting a firing position, rotate index lever until a positive stop is felt.Extend the tongs and grasp the fallopian tube by moving the operating slide towards the distal end of the applicator.Carefully inspect applicator tongs prior to use.Do not use if tongs are out of alignment or damaged, as patient injury can result.Always grasp the fallopian tube with the shorter inferior tong positioned on the bottom to avoid injury to the tube.".
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Olympus received a medwatch report (mw5076770) on may 14th which states, "there was an unsuccessful attempt to deploy the falope ring.Upon removing the instrument, ring was no longer on the applicator.The intra-abdominal cavity, operating room table drapes and table were searched but the ring band could not be located." there was no adverse event reported.
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