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US 12,382,571 B2Granted
Radiotherapy device
AssigneeElekta Limited
InventorsIan Shinton, Duncan Bourne, Peter Doherty, Emma Wooldridge
Life of this patent
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Abstract
A particle accelerator comprises a waveguide configured to accelerate a beam of electrons along an acceleration path. A diversion channel is configured to convey a beam of electrons along a diversion path. A first magnet arrangement is configured to, at a first location, direct electrons from the acceleration path to the diversion path. A second magnet arrangement is configured to, at a second location, direct electrons from the diversion path to the acceleration path.
Claims12
A particle accelerator comprising:
- a waveguide configured to accelerate a beam of electrons along an acceleration path;
- a diversion channel configured to convey the beam of electrons along a diversion path, wherein the diversion channel comprises a solenoid arrangement;
- a first magnet arrangement configured to, at a first location, direct electrons from the acceleration path to the diversion path;
- a second magnet arrangement configured to, at a second location, direct electrons from the diversion path to the acceleration path;
- and
- an electromagnetic kicker magnet, wherein the electromagnetic kicker magnet is positioned between a second end of the waveguide and the first magnet arrangement, and wherein the electromagnetic kicker magnet comprises:
- a first state;
- and
- a second state, wherein when the electromagnetic kicker magnet is set to the first state, the beam of electrons continues to travel along a central axis of the waveguide towards a target, wherein when the electromagnetic kicker magnet is set to the second state, the beam of electrons is removed from the waveguide and inserted into the diversion channel, and wherein a first end of the diversion channel is positioned adjacent to the electromagnetic kicker magnet.
6 more elements
Dependencies are inferred from the claim text.