在耳鼻咽喉科临床工作中，常需实施下咽部及喉粘膜表面麻醉。目前大都用普通咽喉麻醉喷雾器或用输液金属排气长针头制成的喉滴管。在临床应用中，我们常感尚有一定的缺点和不便。为此我们用自制的简易器械临床施麻５０余例体会到：该器械制作容易，应用方便，刺激性小，用药量 Otolaryngology clinical work, often need to implement hypopharyngeal and laryngeal mucosal surface anesthesia. At present, most commonly used throat anesthesia nebulizer or infusion needle made of metal exhaust long dropper. In clinical practice, we often feel there are some shortcomings and inconveniences. To this end, we use homemade home-made more than 50 cases of clinical application of anesthesia will experience: the device easy to manufacture, easy to use, irritation, dosage