direct vision orotracheal intubation

例句：

1. 1.During the surgery, the surgeon must ensure that the patient's direct vision is maintained to avoid complications.
   在手术过程中，外科医生必须确保患者的直接视野得以保持，以避免并发症。
2. 2. The anesthesiologist carefully performed the orotracheal intubation to ensure a smooth recovery for thepatient.
   麻醉师小心翼翼地进行了气管插管，以确保患者能够顺利恢复。
3. 3. The patient was placed in a supine position and the orotracheal tube was inserteddirectly into the trachea to facilitate ventilation.
   患者被安置为仰卧位，直接将气管插管插入气管以便于通气。