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。
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。
They took all the surgical equipment with them, including light sources.
他们随身携带了所有的手术设备，包括手术灯。
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