Objective To reduce the blindness of intrauterine operation and the trauma of uterus, to avoid uterus perforative by abdomen ultrasonic leading intrauterine operation via vagina.

• 目的通过实时经腹超声引导进行经阴道宫腔手术,减少宫内操作的盲目性,减少子宫的损伤,避免子宫穿孔的发生。