catheterization of eustachian tube

例句：

1. 1. The patient was successfully intubated for the surgery.
   患者成功地进行了手术的插管。
2. 2. The doctor performed an intubation of the trachea during the emergency.
   医生在紧急情况下进行了气管插管。
3. 3. During the procedure, the nurse inserted a new catheter into the patient's vein.
   在手术过程中，护士将一根新的导管插入患者的静脉。