纤维喉镜可在婴儿处于清醒状态下对其进行上呼吸道的检查，但是由于婴儿不能合作和经常哭闹，导致诊断正确率下降和检查时间的延长，电视纤维喉镜可以克服这些困难。以前人们对婴儿喉部解剖结构和功能的了解多限于尸检结果，电视纤维喉镜为了解婴儿喉部结构和功能提供了一... Fiberoptic mirrors can be used to check the upper airway when the baby is awake, but TVL laryngoscopes can overcome these difficulties because of the inability of infants to cooperate and frequent crying, resulting in decreased diagnostic accuracy and longer examination time. In the past, people’s understanding of the anatomy and function of the baby’s larynx was mostly limited to autopsy results, and the TV fiber laryngoscope provided a guide to understanding the structure and function of the baby’s throat.