videoendoscopy

例句：

1. 1. The doctor used a videoendoscopy to examine the patient's throat.
   医生使用视频内窥镜检查患者的喉咙。
2. 2. During the procedure, the endoscopist inserted the scope through the patient's anus and examined the colon.
   在手术过程中，内窥镜医生将探头插入患者的肛门，检查结肠。
3. 3. The patient was given a sedative before the procedure to ensure he would not feel any discomfort during the videoendoscopy.
   患者在手术前接受了镇静剂，以确保他在视频内窥镜检查过程中不会感到任何不适。