XG500mAX线诊断机电视系统在使用中碰到两个问题:1.有的医生常用透视手开关,而用后又不及时关掉,当再次开机加热后X线发生;2.医生在作特殊检查时,如逆行胰胆管造影、取金属异物如骨折后电视下金属内固定等,只注意插管、注药和观察造影部位,而不留神脚踏开关的断续使用。这两种情况都可能造成X线球管过荷,以及影像增 XG500mAX line diagnostic TV system encountered two problems in use: 1. Some doctors often use the perspective of the hand switch, and after use does not switch off, when the boot again heated X-ray occurs; 2. The doctor is doing special inspection When, such as retrograde cholangiopancreatography, metal foreign body such as fractures after TV fixation under the metal, just pay attention to intubation, injection and observation of angiography sites, and without regard to the intermittent use of foot switch. Both of these conditions can cause overloading of the X-ray tube and increase of the image