COOLING MATERIAL SUPPLY APPARATUS OF ROTARY GANTRY AND PARTICLE RAY TREATMENT SYSTEM

To provide a cooling material supply apparatus of a rotary gantry, capable of inhibiting stagnation of supply of cooling material to superconductive electromagnets.SOLUTION: A cooling material supply apparatus 80 of a rotary gantry 5 comprises: the rotary gantry 5 that supports a radiation nozzle 13 for radiating a particle ray beam 7 and a transportation unit 14 for transporting the particle ray beam 7 to the radiation nozzle 13 and rotates around a horizontal axis 9 facing a horizontal direction directed to a horizontal direction; and a belt-like cable 22A having one end connected to the rotary gantry 5 and the other end connected to a standstill device 30, the cable formed by a plurality of flexible hoses 81 being integrated in parallel, the flexible hoses supplying cooling material to superconductive electromagnets 15 in the transportation unit 14.SELECTED DRAWING: Figure 7 【課題】超電導電磁石に対して冷却材の供給が滞らないようにできる回転ガントリーの冷却材供給装置を提供する。【解決手段】回転ガントリー５の冷却材供給装置８０は、粒子線ビーム７を照射する照射ノズル１３と照射ノズル１３に粒子線ビーム７を輸送する輸送部１４とを支持して水平方向を向く水平軸９を中心に回転する回転ガントリー５と、一端が回転ガントリー５に接続されて他端が静止している装置３０に接続され、輸送部１４が有する超電導電磁石１５に冷却材を供給する複数のフレキシブルホース８１が並列に一体化されて形成された帯状を成すケーブル２２Ａとを備える。【選択図】図７