Surgical applications of CO2 laser in otolaryngology.

The surgical CO2 laser unit and laser bronchoscope were presented which were originally developed under a close co-operation with Asahi Optical Company and our department. The CO2 laser unit has a maximum power output of 30 Watt and can be used in two ways : in gross surgeries with the use of handpiece and in microsurgeries using the micromanipulator. The laser bronchoscope was designed to applied to the laser irradiation on the disease of traclieo-bronchial system. The clinical applications were discussed among the 118 cases of head and neck tumor operated by laser .