Patent ID: 9314649
Filing Date: 2016-04-19
CPC Classification: A61N,G21K,H01J,H05H

Claim Text:
1. A method for rapidly redirecting positively charged particles in a charged particle cancer therapy system used to treat a tumor of a patient, comprising the steps of: accelerating the positively charged particles with a synchrotron; extracting the positively charged particles through a first Lambertson extraction magnet to a fast switch magnet, said fast switch magnet comprising: passing said positively charged particles through said fast switch magnet to a tumor treatment beamline at a first time, said fast switch magnet using a first current at the first time to yield a first charged particle directing magnetic field; and redirecting the positively charged particles, at a second time, to a beam stop using said fast switch magnet, said step of redirecting comprising the step of: