| 摘要 |
<P>PROBLEM TO BE SOLVED: To solve a problem that the cost of a rotary ring is increased and a delivery date is lengthened in the case of making the rotary ring constituting a rotary irradiation treatment device serve as a monocircular integral structure. <P>SOLUTION: The rotary ring 3 is formed by coupling two arcuate members 3a, 3b in which center angle is 180°, the rotor ring 3 is rotatably arranged around the center axis, the rotary ring 3 is supported by a roller 4 while abutting between coupling parts 18 adjacent to the rotary ring 3 and the rotary ring is driven, particle beam irradiating heads 9a, 9b are attached to the rotary ring 3 via a frame, and the rotary irradiation treatment device is constituted so as to irradiate particle beam to the center axis. <P>COPYRIGHT: (C)2013,JPO&INPIT |
