Liquid dilator for gynaecology

The utility model relates to an apparatus used for expanding the cervix in the induced abortion operation, particularly to a liquid dilator for gynaecology, which has simple structure and convenient operation and can better expand the cervix and decrease wounds and pain. The liquid dilator for gynaecology comprises a gasbag 2, a supporting block 1 and a conduit 3, wherein the supporting block 1 is arranged in the gasbag 2, one end of which is communicated with the conduit 3, the gasbag 2 is made of latex materials, and the supporting block 1 is made of hard plastics. The top end of the supporting block 1 is connected with the gasbag without gaps, and the supporting block 1 is in a circular arc shape. The thickness of the supporting block 1 does not exceed 0.3 c m, and the length does not exceed 3.5 c m. After the structure is adopted, because the supporting block 1 has small volume and is not easy to damage the cervix, the expansion of the cervix is realized by that the gasbag 2 is expanded by liquid, thereby, the effect is good.