Device comprising: a chassis which supports the entire assembly, a telescopic column which comprises a fixed lower portion rotating in respect of a vertical axis, and at least one mobile upper portion, a telescopic arm that moves along the vertical column and that supports an x-ray source head at its end, wherein the telescopic arm and x-ray source head assembly can be moved from the lower position of the mobile column in its retracted position to the upper position of the mobile column in its extended position, and also in that all the movements of the column are manual and have a mechanical balancing mechanism which comprises a first mechanism consisting of a spring, a block and tackle, and a variable radius pulley all housed in the fixed portion of the column, and a second balancing mechanism consisting of a recovery pulley and a two-radii pulley which balances the weight between the input of the cable and that of the telescopic arm and head assembly all housed in the mobile portion of the column.一種具伸縮桿之移動式X光裝置，係包括：一機架；一伸縮桿，其包括一相對垂直軸轉動之固定下部，及至少一移動上部；一伸縮臂，其係沿著伸縮桿移動，且支撐在其一端之一X光源頭端；其中，該伸縮臂及該X光源頭端可由在收縮位置之移動上部下方移動至移動上部上方；且伸縮臂的所有作動係為手動操作，且具有一機械式平衡機構包括：一彈簧，一滑輪組，及一可變式半徑滑輪，其皆被容置於固定下部；及一第二平衡機構，其包括一回復滑輪，及一雙半徑滑輪，用以平衡一纜線輸入及伸縮臂與X光源頭端輸入之間的重量。
