METHODS: Sixteen cases of complex maxillofacial fractures were treated with submandibular endotracheal intubation, self-made tube was used to assist tube guidance during operation.

• 方法：对16例颌面部复杂骨折患者实施下须下径路经口气管内插管麻醉，术中使用自行研制的引管装置辅助引管。