人工流产国内一般在无麻醉下进行 ,疼痛以扩张宫颈和吸刮宫腔壁终末时最为剧烈 ,手术虽然简单、时间短 ,但常给患者带来很大的痛苦 ,严重影响身心健康。随着医学模式的转变和人们对医疗质量需求的提高 ,人工流产镇痛 (无痛人流 )越来越受到重视。近年来 ,临床医务工作者相继开 Induced abortion in China is generally carried out without anesthesia, pain to expand the cervix and curettage of the end of the uterine wall is the most dramatic, although the surgery is simple, time is short, but often bring great suffering to patients, seriously affecting the physical and mental health. With the change of medical model and the improvement of people’s demand for medical quality, artificial abortion (painless) has drawn more and more attention. In recent years, clinical medical workers have opened