To perform a sedated upper endoscopy, an endoscope, 9.8 mm in diameter, is passed through the mouth and throat to the esophagus, stomach and small intestine.

• 为了执行一个需麻醉的上消化道内窥镜检查，一个直径9.；8米的内窥镜通过口腔、喉部然后到达食道、胃和小肠。