Radiant energy – Irradiation of objects or material – Ion or electron beam irradiation
Reexamination Certificate
2007-02-06
2007-02-06
Nguyen, Kiet T. (Department: 2881)
Radiant energy
Irradiation of objects or material
Ion or electron beam irradiation
C250S398000
Reexamination Certificate
active
10790849
ABSTRACT:
A particle beam therapy system which can surely prevent a beam from being erroneously transported to a treatment room that is not an irradiation target, and can improve safety. The particle beam therapy system comprises a charged particle beam generator for emitting a charged particle beam, a plurality of treatment rooms provided with respective irradiation units, one first beam transport system for transporting the emitted beam toward the downstream side in the direction of beam advance, a plurality of second beam transport systems branched from the first beam transport system and transporting the beam to the corresponding irradiation units in the treatment rooms, a plurality of switching electromagnets for bending the beam transported through the first beam transport system to be introduced to the corresponding second beam transport systems, and a first group of shutters provided downstream of the switching electromagnets and shutting off respective beam paths.
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Maeda Akihiko
Moriyama Kunio
Nakayama Takahide
Yasue Yoshikatsu
Dickstein & Shapiro LLP
Hitachi , Ltd.
Nguyen Kiet T.
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