人工流产术是意外妊娠后最常用的补救方法。多年来,我国妇科人工流产负压吸引术及钳刮术一般在无麻醉状态下施行,由于精神紧张、个体差异等多种因素,给患者带来程度不等的身心痛苦及手术医生的操作困难。尽管临床采用了宫颈局部麻醉、全身止痛药物等多种方法进行改善,但仍没有 Induced abortion is the most commonly used remedy after an unexpected pregnancy. Over the years, our country gynecological abortion negative pressure suction and forceps curettage are generally carried out without anesthesia, due to mental stress, individual differences and other factors, to bring patients with varying degrees of mental and physical pain and operating difficulty of the surgeon . Although clinical use of cervical topical anesthesia, systemic painkillers and other methods to improve, but still no