Abstract: The present disclosure relates to a hadron therapy installation comprising a moving floor in the form of a deformable band guided in a guide structure. The moving floor comprises a lower segment and an upper segment. The lower segment can be pulled by the irradiation unit from a lower docked position to a position in which the lower segment forms a substantially horizontal floor surface when the irradiation unit is in a first angular position. The upper segment can be pulled by the irradiation unit from an upper docked position to a position in which the upper segment at least partially forms the substantially horizontal floor surface when the irradiation unit is in a second angular position. The lower segment and the upper segment may have a finite length and a counterweight further connected to the free end of the upper segment.

Abstract: The invention relates to a hadron therapy installation (1) that comprises a moving floor (8?, 8?) in the form of a deformable band guided in a guide structure (10). A lower segment (8?) can be pulled by the irradiation unit (5) from a lower docked position to a position in which it forms a substantially horizontal floor surface, when the irradiation unit (5) is in a first angular position (a). An upper segment (8?) can be pulled by the irradiation unit (5) from an upper docked position to a position in which it at least partially forms said substantially horizontal floor surface, when the irradiation unit (5) is in a second angular position (?). The lower segment (8?) and the upper segment (8?) are segments with a finite length. A counterweight (19) is connected to the free end of the upper segment (8?), so as to exert a traction force on the latter toward the upper docked position.

Abstract: The present invention relates to an irradiation unit for emitting a particle beam, a gantry including the irradiation unit, a squirrel cage structure located within and supported by the gantry, a frame arranged so as to be motionless, a moving floor including a plurality of elongated members forming a primary caterpillar, two moving floor guide units having a truncated circle shape, facing each other, attached to said squirrel cage structure and the motionless frame, respectively. Each of the two moving floor guide units includes at least a first rail, said the primary caterpillar being slidably arranged on the first rail. Each moving floor guide unit includes at least a second rail having a truncated circle shape and the moving floor includes at least one secondary caterpillar including elongated members flexibly connected to each other.

Abstract: The present invention relates to an irradiation unit for emitting a particle beam, a gantry including the irradiation unit, a squirrel cage structure located within and supported by the gantry, a frame arranged so as to be motionless, a moving floor including a plurality of elongated members forming a primary caterpillar, two moving floor guide units having a truncated circle shape, facing each other, attached to said squirrel cage structure and the motionless frame, respectively. Each of the two moving floor guide units includes at least a first rail, the primary caterpillar being slidably arranged on the first rail. Each moving floor guide unit includes at least a second rail having a truncated circle shape and the moving floor includes at least one secondary caterpillar including elongated members flexibly connected to each other.