自1964年以来作者在显微内窥镜下对喉咽部憩室应用电凝固或CO_2 激光手术,认为这种手术有其优点和满意的疗效。用特制的食管镜,镜呈圆锥形,末端分叉,前唇较长,后唇较短,全长25cm。管的两侧可插入导光管。食管镜调整和固定后即取出导光管换入吸引管作连续吸引,以排除凝固时的烟雾和CO_2 激光所产生的气味。显微镜物镜焦距为 The author has applied electrocoagulation or CO_2 laser surgery to the laryngopharyngeal diverticulum under the microscope since 1964 and believes that this procedure has its advantages and satisfactory results. With a special esophagus mirror, the mirror was conical, the end of the bifurcation, lip longer, back lip shorter, full-length 25cm. Both sides of the tube can be inserted into the light pipe. Esophagoscopy adjusted and fixed remove the light pipe into the suction tube for continuous suction to exclude the solidified smoke and CO_2 laser odor. Microscope objective focal length is