Modular multi-room proton therapy system
Embodiments of the present invention describe systems and methods for providing proton therapy treatment using a beam line where the ESS is reduced or eliminated. For multi-room configurations, a beam line is included having quadrupole and steerer magnets to align and focus a particle beam extracted by an accelerator and guided by a bend section. A degrader is disposed between the bend section and the treatment room, and the energy analyzing functionality is performed by the gantry.
1. A modular multi-room treatment system comprising:
N number of bend sections coupled to a beam transfer line, wherein the beam transfer line and N number of bend sections are operable to direct a particle beam from an accelerator to N number of treatment rooms;
N number of degraders disposed between the N number of bend sections and the N number of treatment rooms, wherein the particle beam is focused on the N number of degraders to modulate an energy of the particle beam; and
N number of gantries disposed in the N number of treatment room and operable to receive the particle beam downstream from the N number of degraders, wherein the N number of gantries provide energy selection functionality for the N number of treatment rooms.
2. The modular multi-room treatment system described in claim 1 , wherein the particle beam comprises a monoenergetic proton beam transported from the accelerator to the N number of degraders.
3. The modular multi-room treatment system described in claim 1 , further comprising:
the N number of bend sections comprising an energy slit operable to perform energy analyzing functionality;
an additional degrader disposed on the beam transfer line before the N number of bend sections; and
a fixed beam transfer line coupled to the N number of bend sections.
4. The modular multi-room treatment system described in claim 1 , wherein the N number of bend sections comprise electrical dipole magnets powered by a power supply.
5. The modular multi-room treatment system described in claim 1 , wherein the N number of bend sections comprise permanent dipole magnets.
6. The modular multi-room treatment system described in claim 1 , wherein the N number of bend sections comprise permanent quadrupole magnets.
7. The modular multi-room treatment system described in claim 1 , wherein the N number of bend sections comprise electrical quadrupole magnets cooled by air and powered by a power supply.
8. The modular multi-room treatment system described in claim 1 , wherein the N number of bend sections comprise hybrid dipole magnets.
9. A treatment system particle beam delivery method comprising:
directing a particle beam from a particle beam source along a beam transfer line to N number of bend sections;
aligning and focusing the particle beam on the N number of bend sections by the beam transfer line;
directing the particle beam from the N number of bend sections to N number of degraders;
degrading the particle beam by the N number of degraders to modulate an energy of the particle beam downstream of the N number of bend sections; and
providing energy selection functionality of the modulated energy of the particle beam by N number of gantries disposed in N number of treatment rooms downstream of the N number of degraders.
10. The treatment system particle beam delivery method of claim 9 , further comprising selecting energy for the N number of treatment rooms without using a separate achromatic beam line.
11. The treatment system particle beam delivery method of claim 9 , further comprising modifying an energy width of the particle beam for a fixed beam line room.
12. The treatment system particle beam delivery method of claim 9 , wherein the particle beam comprises a proton beam.