喉镜是气管插管的必需器具之一。目前市场上欧美产品纷纷涌入 ,但各厂家质量各异 ,选择时应予慎重比较 ,以达到价廉物美的目的。近年来喉镜主要是光源的改革。逐渐淘汰传统的普通罗口小灯泡代之以冷光源光导纤维。因为后者优势明显 :更光明—后者亮度较前者高 4 0 %～ 50 %。 ( A laryngoscope is one of the necessary appliances for endotracheal intubation. At present, European and American products have poured into the market. However, the quality of manufacturers varies, and selection should be carefully compared to achieve the purpose of cheap and beautiful. In recent years, laryngoscopy has mainly been the reform of light sources. Instead of the traditional light bulbs instead of traditional light bulbs with cold light source. Because the latter has obvious advantages: it is brighter—the brightness of the latter is 40% to 50% higher than the former. (