胎头吸引术是利用负吸器的负压作用吸住胎头,通过旋转或牵引使胎头下降的一种助产方法。主要用于分娩第二期,偶用于分娩第一期扩张宫口,起到与头皮钳相似的作用,但已极少使用。目前通用的胎头吸引器有喇叭形及杯形两种,由金属、硅胶或塑料等制成。我国多数地区常用的是金属制喇叭形吸引器,是一个直的呈圆锥形或弯的呈牛角形的空心金属筒,后者较前者吸引力大,但易发生“器械产瘤”。硅胶制 Fetal head suction is the use of negative suction negative pressure on the role of suction fetal head, fetal head by spinning or traction down a midwifery method. Mainly used for the second period of delivery, even used for the first phase of labor expansion cervix, play a similar role with scalp forceps, but has been rarely used. At present, the common fetal head suction horn and cup-shaped two, made of metal, silicone or plastic. Most commonly used in China is a metal trumpet-shaped suction device, is a straight conical or curved hollow metal tube was horns, the latter than the former attractive, but prone to “instrument tumor.” Silicone system