电子扩宫仪是通过人体穴位，达到扩宫的目的，而且能直接减轻受术者的痛苦，有效的控制人流综合征的发生。1资料和方法1．1观察对象：门诊自愿要求行人工流产的早孕妇女无禁忌者，年龄在18～46岁，妊娠IO周以内。使用电子扩宫仪663例（实验组）中初孕342例．孕2次以上321例，孕 Electronic expansion of the instrument is through the body points to achieve the purpose of expanding the Palace, but also can directly reduce the suffering of the surgeon, the effective control of the occurrence of flow syndrome. 1 Materials and Methods 1.1 Subjects: Outpatient voluntary abortion abortion of pregnant women without contraindications, aged 18 to 46 years of age, within 10 weeks of pregnancy. The use of electronic dilation instrument 663 cases (experimental group) 342 cases of first trimester. 321 cases more than 2 cases of pregnancy, pregnancy