双侧喉返神经(RLN)损伤可致气道梗阻,选择性切除喉内组织或声带外移恢复呼吸功能的几种手术均不太理想。有报道对喉返神经麻痹采用电刺激喉内肌改善喉功能,但电起搏的许多参数尚不清楚,作者介绍一组试验并确定一组参数。将杂种成年犬分成两组,Ⅰ组RLN紧急切断术(对照组),Ⅱ组RLN切断加静脉注射巴夫龙(0.1mg/kg),旨在消除对神经的直接刺激。分离暴露环杓后肌(PCA),将两个特制的针电极间距2mm平行插入PCA,垂直于肌纤维,电极间所产生的椭圆形电场与肌纤维 Bilateral recurrent laryngeal nerve (RLN) injury can cause airway obstruction, selective removal of laryngeal tissue or vocal cord to resume respiratory function in several operations are less than ideal. It has been reported that electrical stimulation of laryngeal muscles with laryngeal nerve paralysis can improve laryngeal function. However, many parameters of electric pacing are not yet clear. The authors introduce a group of experiments and determine a set of parameters. The hybrid adult dogs were divided into two groups: group Ⅰ RLN emergency cutting (control group), group Ⅱ RLN cutting plus intravenous injection of bovine (0.1 mg / kg), aimed at eliminating the direct nerve stimulation. The posterior circumdius posterior muscle (PCA) was isolated and the two special needle electrodes were inserted into the PCA at a distance of 2mm parallel to each other, perpendicular to the muscle fibers. The elliptical electric field and the muscle fibers