Medical vaginal dilator

The utility model relates to the technical field of medical instruments, in particular to a medical vaginal dilator which comprises a rotating shaft and two sleeves sleeved on the outer side of the rotating shaft. According to the medical vaginal dilator, the sleeves, the positioning columns, the lead screw and the rotary knob are arranged, the two sleeves can rotate around the rotary shaft, the two sleeves take the rotary shaft as a fulcrum, the rotary knob is rotated, the positioning columns move relative to the lead screw, the two positioning columns are far away from each other, and therefore the two dilation plates move towards the two sides, and the dilation effect is achieved; meanwhile, the positioning column is meshed with the lead screw, fixation can be kept, medical staff do not need to continuously apply force to the sleeve, operation of the medical staff is simplified, and more convenience is achieved. 本实用新型涉及医用器械技术领域，具体为一种医用阴道扩张器，包括转轴与套筒，转轴的外侧套设有套筒，套筒的数量为两根；该种医用阴道扩张器，通过设置有套筒、定位柱、丝杆与旋钮，两个套筒能够绕转轴转