方法:检查前一小时内注射杜冷丁和阿托品。口咽部及声门上区用局部麻醉剂Cetacaine喷雾,间接喉镜下将4％利多卡因5毫升左右分次滴入气管,每次1毫升,纤维气管铙远端涂以利多卡因胶冻,事先将可弯曲有螺纹金属丝的气管插管(内径7—9毫米)套在纤维气管镜上,纤维气管镜在直视下经口腔及声门插入气管,患者头向后仰,由患者或助手轻轻拉舌有助于镜身插入,当纤维气管镜抵达气 Method: Injecting dolantin and atropine within one hour before the exam. Oropharyngeal and supraglottic with local anesthetic Cetacaine spray, indirect laryngoscopy will 4% lidocaine 5 ml about sub-drop into the trachea, each 1 ml, the distal end of the fibrous trachea 涂 coated with lidocaine jelly , Prior to the bending of the threaded endotracheal intubation (diameter 7-9 mm) set in the fiberoptic bronchoscopy, fiberoptic bronchoscopy through the mouth and glottic into the trachea under direct vision, the patient head backwards, by the patient Or assistant gently pull the tongue helps the body insert, when the fiberoptic bronchoscopy gas