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    • 7. 发明申请
    • ROTATING GANTRY AND PARTICLE BEAM THERAPY SYSTEM
    • 旋转胶粒和颗粒束治疗系统
    • US20140364677A1
    • 2014-12-11
    • US14365946
    • 2012-03-29
    • Tadashi Katayose
    • Tadashi Katayose
    • A61N5/10
    • A61N5/1081A61N2005/1087A61N2005/109A61N2005/1094G21F3/00G21F7/00G21K1/02G21K1/093G21K1/10
    • A rotating gantry is characterized in that a shielding material for attenuating a leakage dose of a secondary radiation generated by collision of a charged particle beam with an irradiation subject is provided at a position that is situated at the side opposed to a particle beam irradiation apparatus with respect to the irradiation subject and through which a beam axis of the charged particle beam passes, and wherein the shielding material is disposed in such a way that when the irradiation subject does not exist in the rotating gantry, a beam axis portion thereof that intersects the beam axis of the charged particle beam, is attachable and detachable, or can move in a sliding manner and in the rotation-axle direction of the rotating gantry.
    • 旋转机架的特征在于,在位于与粒子束照射装置相对的一侧的位置处设置用于衰减由带电粒子束与照射对象的碰撞产生的二次辐射的泄漏剂量的屏蔽材料, 并且其中所述屏蔽材料以这样的方式设置,使得当所述照射对象不存在于所述旋转机架中时,所述屏蔽材料与所述照射对象相交的光束轴部分 带电粒子束的束轴是可附接和可拆卸的,或者可以以滑动方式和旋转机架的旋转轴方向移动。