blind nasotracheal intubation

例句：

1. 1.The patient was intubated for the surgery, but he was not aware of it.
   病人在手术前被插管，但他并不知道。
2. 2. During the operation, the anesthesiologist blindly inserted the nasotracheal tube into the patient's nose.
   麻醉师在手术中盲目地将鼻气管插入患者的鼻子。
3. 3. After the surgery, the patient was extubated and could breathe on his own.
   手术结束后，患者被拔管，能够自主呼吸。