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    • 119. 发明专利
    • Compact/lightweight gantry and particle beam therapy device using same
    • 紧凑/轻巧的甘蔗和颗粒束治疗装置使用它
    • JP2013176490A
    • 2013-09-09
    • JP2012042694
    • 2012-02-29
    • Hitachi Ltd株式会社日立製作所
    • NODA FUMIAKIYAMADA TAKAHIRO
    • A61N5/10G21K5/04
    • A61N5/1077A61N5/1043A61N5/1048A61N5/1065A61N5/1081A61N2005/1087F04C2270/041G21K1/093
    • PROBLEM TO BE SOLVED: To provide a device constitution and arrangement capable of forming a large irradiation field and suitable for the miniaturization and weight reduction of a gantry.SOLUTION: In a gantry having a polarizing electromagnet 103 for polarizing a beam track, horizontal direction scanning electromagnets 301 and 302 being first scanning electromagnets for scanning the beam track in a horizontal direction being a first direction and a vertical direction scanning electromagnet 401 being a second scanning electromagnet for scanning the beam track in a vertical direction being a second direction, a plurality of the horizontal direction scanning electromagnets 301 and 302 are provided to be arranged so that θ becomes 90° or below when the phase difference between the horizontal direction scanning electromagnets 301 and 302 is set to 180n°±θ and the polarizing electromagnet 103 is arranged between a plurality of the horizontal direction scanning electromagnets 301 and 302.
    • 要解决的问题:提供能够形成大的照射场并适合于机架的小型化和重量减轻的装置结构和装置。解决方案:在具有用于偏振光束轨道的偏振电磁体103的台架中,水平方向扫描 电磁体301和302是用于沿水平方向扫描光束轨道的第一扫描电磁体,作为第一方向,垂直方向扫描电磁体401是用于沿作为第二方向的垂直方向扫描光束轨道的第二扫描电磁体,多个 水平方向扫描电磁铁301和302被设置成使得& 当水平方向扫描电磁铁301和302之间的相位差被设置为180n±±时,变为90°或更小; 并且偏振电磁体103配置在多个水平方向扫描电磁体301,302之间。