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1 操作方法 1.1 术前准备:产妇取膀胱截石位,常规消毒外阴、导尿及铺无菌巾,阴道检查确定胎方位、先露高低,宫口是否开全,是否破膜,有无明显头盆不称,决定能否施术,可施术者做阴部神经阻滞麻醉后行会阴侧切术。 1.2 操作步骤:①将无菌石蜡油涂于两叶钳匙上,以右枕横位产钳为例,左手以执笔式握左钳柄,钳叶垂直向下,将右手四指置胎头与阴道后壁间,右手掌向上,将左叶产钳沿右手掌伸向指掌与胎头之间,缓慢地沿着胎头弯度向深向上,钳柄向下向中轻推钳叶滑行至耻骨联合后方,置于胎儿的前顶部,在滑行中不应
1 operation 1.1 preoperative preparation: maternal bladder lithotomy position, routine disinfection of the vulva, catheterization and shop sterile towel, vaginal examination to determine the fetal position, reveal the level of the cervix is open, whether the rupture of the membrane, whether the obvious Head basin is not known, to decide whether surgery, the performer can do perineal nerve block anesthesia after perineal excision. 1.2 steps: ① sterile paraffin oil applied to the two-leaf clamp spoon to the right occipital forceps for example, the left hand to hold the left clamp handle, clamp the leaves vertically downward, the right hand four fingers and vagina The posterior wall, the right palm up, the left leaflet forceps along the right palm extends between the palm of the hand and the fetal head, slowly along the fetal head curvature to the deep upward, the clamp handle downward to the middle of the pusher slides to the pubic symphysis The rear, placed in front of the fetus, should not glide