人工流产术目前仍为终止早孕的一种常用方法 ,手术操作过程中宫颈扩张是一个难点 ,特别是孕 10— 14周宫颈扩张不充分 ,致手术操作困难 ,受术者痛苦大 ,可引起出血、人流不全或宫颈裂伤等并发症危险 ,对探索一种受术者痛苦小 ,副作用小的途径 ,我站从 1999年 1月— 2 0 0 0 0年 Abortion is still a common method of termination of early pregnancy, cervical dilatation during surgical operation is a difficult point, especially pregnant 10-14 weeks of cervical dilatation is not sufficient, resulting in difficult surgical operation, painful by the surgeon, can cause bleeding , Incomplete or cervical laceration and other complications of danger, to explore a less painful by the surgeon, side effects of small ways, I stand from January 1999 -200 years