laryngeal dilating catheter

例句：

1. 1.This catheter is used to dilate the vocal cords during surgery.
   这种导管用于手术期间扩张声带。
2. 2.The patient was given a laryngeal dilating catheter for comfort.
   患者被给予一个喉扩张导管以获得舒适。
3. 3. The doctor inserted the catheter into the patient's throat to relieve congestion.
   医生将导管插入患者的喉咙以缓解充血。