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方法:对停经70～124天要求手术终止妊娠、无长期服药史和药物过敏史、妇检及B超检查均无其他异常发现的健康妇女.B超指示若胎儿双顶径<3cm者,于术前日晚口服米非司酮25mg.手术当日口服25mg;若B超指示胎儿双顶径为3.1～3.6cm者,于术前日晚口服25mg,手术当日口服25mg.2小时后分别于宫颈管口3、9点处注射1%利多卡因2～3ml,B超监测下行人工流产术.优点:1.手术准确.无痛率高:本组手术无痛率达90%,在宫颈口扩张、宫颈管麻醉、B超准确定位指示的情况下手术,减少了手术的盲目性,减轻了手术对子宫或宫颈局部的强烈刺激,从而大大缓解了病人的痛苦.大多数病人仅感下腹轻微坠胀,人流综合征仅占2%,充分体现了B超监测定位手术快速、直观、准确的特点.
Methods: 70 to 124 days after menopause require surgery termination of pregnancy, no long-term medication history and drug allergy history, women and B ultrasound examination found no other abnormalities in healthy women .B ultrasound indicates that if the fetus biparietal diameter <3cm were in Preoperative day and night oral mifepristone 25mg oral 25mg on the day of surgery; if the B-occipital biparietal diameter of 3.1 to 3.6cm who were preoperative day and night oral 25mg, 25mg orally on the day of surgery 2 hours after the cervix Nozzle at 3,9 point injection of 1% lidocaine 2 ~ 3ml, B-monitoring of artificial abortion down. Advantages: 1. Surgery accurate. Painless rate: This group of surgical painless rate of 90%, in the cervix Expansion, cervical canal anesthesia, B-accurate positioning of the case of surgery, reducing the blindness of surgery, reducing the surgery on the uterus or cervical local strong stimulation, thus greatly relieving the patient’s pain Most patients only feel the lower abdomen slightly Bulging, flow syndrome only accounts for 2%, fully embodies the B-monitoring and positioning surgery fast, intuitive and accurate features.