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现用直肠镜在使用过程中需靠外源光照明,其光线常被术者自身遮挡,影响视野,妨碍操作,需他人不断调节光源,多有不便。为此,我们制作一种直接光源直肠镜,经使用验证,效果良好,现介绍如下。选一开合式直肠镜,在其侧孔内侧壁上缘设置一与侧孔长度相等的内径为3mm、壁厚05mm的金
In the process of using a rectal microscope, external light illumination is used. The light is often blocked by the surgeon, which affects the visual field, hinders the operation, and requires others to constantly adjust the light source. This is inconvenient. For this reason, we have made a direct light source rectal microscope, which has been used and verified. The results are good and are described below. Select an openable proctoscope, and set an inner diameter of 3mm and a thickness of 05mm equal to the length of the side hole on the upper edge of the inner side wall of the side hole.