An endoscope (which contains a surgical light and small camera) is placed through the tube, allowing the surgeon to view the annulus, disc, and epidural space on a video monitor.

经工作套管放置内镜(它带有手术光源和小摄像机)，允许外科医生通过视频屏幕观察纤维环、椎间盘、硬膜外间隙。

In this first disc of a series of three, visual effects designer Eric Hanson reviews architectural design principles then leads into setting up a scene with a tracked camera and live-action plate.

在第一盘的一系列三，视觉效果设计师埃里克·汉森评语建筑设计原则，然后通往设立了现场跟踪摄像头和真人板。

A surgical light and small camera or microscope placed through the tube to allow the surgeon to view the disc.

经通道放置外科手术光源和小摄像头或显微镜，便于外科医生观察椎间盘。