抄録
I developed a new technical method of direct laryngoscopy, which is safe and easily applicable even when there are many difficulties in direct laryngoscopy under local anesthesia because of brisk pharyngeal reflex and increased muscular tension.
I introduce direct laryngoscope under general anestnesia with intubation and controlled respiration by the adequate administration of muscle relaxant, then I push the tube backword, and the tube will be forced into the interartenoidal space and I can inspect completely through the vocal process and anterior commisure.
In this method, laryngoscope may easily be held by one hand, and long-time inspection or operation, if necessary, can be done with no fear of bleeding or dyspnea.
The case of broad based edema, granulation or hypertrophy of the vocal cords or false cords may be the best indication for this method.
In general anesthesia, thking a mask method without intubation, with a proper usage of O2, gas and muscle relaxant, there comes stage of apnea for about 3 minutes, then the manupulation of laryngoscope will become easier.
