气管插管在危重病病人抢救中地位突出,它是抢救成功与否的关键。目前最多采取2种方式:一是直接喉镜下经口气管插管;另一种是纤维支气管镜(纤支镜)协助下经鼻气管插管〔1〕。前者操作简便,视野大,但因管端口径粗大,进入喉腔病人不适感明显〔2〕,耐受性差,妨碍吞咽,易滑动,可能出 Endotracheal intubation in patients with critical illness salvage prominent position, it is the key to the success of the rescue. Up to now take two ways: First, direct laryngoscopy under the mouth tracheal intubation; the other is the bronchoscopy (bronchoscopy) with the help of nasal endotracheal tube 〔1〕. The former is easy to operate, the vision is large, but due to the large diameter of the tube end, the patient into the throat discomfort was obvious 〔2〕, poor tolerance, hinder swallowing, easy to slide out