自七十年代电子内镜在临床上使用以来,由于它的优越性能而受到各国内镜医师的青昧和关注。电子内镜可将检查图像经大屏幕显示,且图像失真率低,故而可以大大减轻内镜医师的视力疲劳,缩短检查的操作时间,降低医师的劳动强度。经录像机录制的图像清晰,分辨度高,对于临床的教学、疑难病例的会诊,病 Since the seventies electronic endoscope in clinical use, because of its superior performance by the endoscopic physicians in all countries ignorant and attention. Electronic endoscopy can check the image by the big screen display, and the image distortion rate is low, it can greatly reduce the endoscopic physician fatigue, shorten the examination of the operation time and reduce the physician’s labor intensity. The video recorded by the recorder clear, high resolution, clinical teaching, difficult cases of consultation, disease