The myosure device that was used first experienced a mechanical complication with resulting millimeter-sized segments of metal noted in the fibroid bed, which were subsequently resected.It has a rotating reciprocating cutting blade that dug into the distal end of the cutting window and became stuck.The blade emerged about 50% out of the cutting window so that the device could not be removed from the hysteroscope.The myosure that was used second looks normal but apparently also did not adequately cut and remove tissue.They subsequently switched to a bipolar resectoscope to finish the case.
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