PARTICLE BEAM THERAPY SYSTEM WITH ROTATING BEAM DELIVERY

Japanese Patent JP2020062410

A

To reduce the treatment time of a subject.SOLUTION: A particle beam therapy system 1 comprises a beam delivery device 50 for delivering a charged particle beam 30 to a target 10 of a subject 20, a beam transport system 60 for transporting the beam from a particle accelerator 40 to the beam delivery device, and a supporting device 70 for supporting the subject. The beam delivery device is rotatable around the target relative to the supporting device to enable delivery of the beam to the target according to a plurality of irradiation angles α. The system 1 also comprises a controller 80 configured to make the beam delivery device rotate at a beam-on speed and to meanwhile irradiate the target with the beam. The controller is configured to make the beam delivery device rotate at at least two different beam-on speeds relative to the supporting device, i.e., a first beam-on speed corresponding to a first irradiation angle α1 of the irradiation angles, and a second beam-on speed corresponding to a second irradiation angle α2 of the irradiation angles.SELECTED DRAWING: Figure 1

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VINCENT BOSSIER
YVES CLAEREBOUDT
GUILLAUME JANSSENS
OLIVIER DE WILDE
DAVID VANGEENBERGHE

JP2019189495A

April 23, 2020

October 16, 2019

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ION BEAM APPL SA

A61N5/10

WO2018031365A1	2018-02-15
US20130142310A1	2013-06-06
WO2015137290A1	2015-09-17

Yasuhiko Murayama
Shinya Mitsuhiro
Tatsuhiko Abe

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