McCoy喉镜是标准Macintosh喉镜的改进,镜片在距顶端25mm处分为两部分,其间用关节相连,通过安装在镜片末端的杠杆,弹簧盒和连接杆控制关节的活动,使镜片顶端的小片由平位到立位有0～70度的活动范围。镜片顶端小片在平位时为标准Macintosh喉镜,在立位时即为其独特的弯钩结构,被推 The McCoy laryngoscope is an improvement over the standard Macintosh laryngoscope. The lens is split into two parts at 25mm from the top, articulated with joints, controlled by the lever, spring box and connecting rod mounted at the lens end so that the tip of the lens consists of Flat to stand has 0 ~ 70 degrees of activity. The top piece of the lens is the standard Macintosh laryngoscope in the flat position, which is its unique hook structure in the upright position, pushed