Particle beam treatment system and method for renewing facilities of particle beam treatment system
To provide a particle beam treatment system and a method for renewing facilities of the particle beam treatment system with which the facilities can be renewed efficiently. A particle beam treatment system 1 includes a charged particle beam generation device 2 that generates a charged particle beam Bm, a first irradiation device 4 ( 1 ) that irradiates the charged particle beam to a predetermined irradiation target, a first beam transportation device 3 ( 1 ) that transports the charged particle beam from the charged particle beam generation device 2 to the first irradiation device 4 ( 1 ), and a first vacuum valve 33 ( 1 ) that is arranged in the first beam transportation device 3 ( 1 ).
1. A particle beam treatment system, comprising:
a charged particle beam generation device that generates a charged particle beam;
a first irradiation device that irradiates the charged particle beam to a predetermined irradiation target, the first irradiation device installed in a first treatment room where the charged particle beam is irradiated to a patient;
a first beam transportation device that transports the charged particle beam from the charged particle beam generation device to the first irradiation device;
a first vacuum valve that is arranged in a position of the first beam transportation device that is outside the first treatment room;
a first branching device that branches a destination of the charged particle beam is arranged in the first beam transportation device,
wherein the first irradiation device is connected at a connection point to the first branching device,
wherein an end portion, which includes an opening, of the first beam transportation device penetrates a shielding wall,
wherein the position of the first vacuum valve in the first beam transportation device is downstream from the connection point of the first irradiation device to the first branching device,
wherein a second beam transportation device that transports the charged particle beam to a second irradiation device is connected to the first branching device through the first vacuum valve,
wherein a second vacuum valve is arranged in the second beam transportation device,
wherein a second branching device that branches a destination of the charged particle beam is arranged in the second beam transportation device, and
the second vacuum valve is arranged at an outlet of the second branching device.
2. The particle beam treatment system according to claim 1 ,
wherein the first vacuum valve is arranged at an outlet of the first branching device.
3. The particle beam treatment system according to claim 1 ,
wherein the first branching device includes a first irradiation device side outlet that allows the charged particle beam to head to the first irradiation device and a second irradiation device side outlet that allows the charged particle beam to head to the second irradiation device, and
the first vacuum valve is arranged at the second irradiation device side outlet.
4. The particle beam treatment system according to claim 3 ,
wherein the first valve exists by a plurality,
a first vacuum valve that is one of the first valves of a plurality is arranged at the second irradiation device side outlet, and
a first vacuum valve that is another of the first valves of a plurality is arranged at the first irradiation device side outlet.
5. The particle beam treatment system according to claim 2 ,
wherein the first vacuum valve is arranged so as to be positioned between a shielding wall and the first branching device.
6. The particle beam treatment system according to claim 2 ,
wherein the first vacuum valve is arranged on a downstream side of the first branching device.
7. The particle beam treatment system according to claim 1 ,
wherein the position of the first vacuum valve in the first beam transportation device is between the charged particle beam generation device and the shielding wall.
8. The particle beam treatment system according to claim 1 ,
wherein the opening of the first transportation device is sealed.
9. The particle beam treatment system according to claim 1 , further comprising:
the second beam transportation device being connectable to the opening of the first transportation device,
wherein after connecting the second beam transportation device to the opening of the first transportation device in a state that the first vacuum valve is closed, pressure on a route of the charged particle beam that passes through the second beam transportation device is lowered.
10. The particle beam treatment system according to claim 3 ,
the second irradiation device side outlet is connected to the second irradiation device without a vacuum valve.