PARTICLE-BEAM MEDICAL TREATMENT DEVICE
PROBLEM TO BE SOLVED: To provide a particle-beam medical treatment device capable of confirming energy of charged particle beams before accelerated ones are irradiated on an object to be irradiated. SOLUTION: A beam position monitor 20 is provided at a synchrotron 3, and a cavity voltage monitor 18...
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| creator | MATSUDA KOJI IKE KATSUHISA UMEZAWA MASUMI NISHIUCHI HIDEAKI |
| description | PROBLEM TO BE SOLVED: To provide a particle-beam medical treatment device capable of confirming energy of charged particle beams before accelerated ones are irradiated on an object to be irradiated. SOLUTION: A beam position monitor 20 is provided at a synchrotron 3, and a cavity voltage monitor 18 is provided at an acceleration cavity 10. Ion beams going around the inside of the synchrotron 3 are accelerated by impression of high-frequency voltage on the acceleration cavity 10, and irradiated by impression of high-frequency voltage on a high-frequency impression device 6. A frequency measuring device 19 measures frequencies of the high-frequency voltage impressed on the acceleration cavity 10 using a cavity voltage signal detected by the cavity voltage monitor 18. A beam orbit signal processor 21 measures a position of a beam orbit using voltage detected by the beam position monitor 20. An energy determination processor 26 determines whether energy of the ion beams after acceleration is normal or abnormal, based on a frequency of the high-frequency voltage and a position of the beam orbit. COPYRIGHT: (C)2006,JPO&NCIPI |
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| subjects | ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR ELECTRICITY ELECTROTHERAPY GAMMA RAY OR X-RAY MICROSCOPES HUMAN NECESSITIES HYGIENE IRRADIATION DEVICES MAGNETOTHERAPY MEDICAL OR VETERINARY SCIENCE NUCLEAR ENGINEERING NUCLEAR PHYSICS PHYSICS PLASMA TECHNIQUE PRODUCTION OF ACCELERATED ELECTRICALLY-CHARGED PARTICLES OR OFNEUTRONS PRODUCTION OR ACCELERATION OF NEUTRAL MOLECULAR OR ATOMICBEAMS RADIATION THERAPY TECHNIQUES FOR HANDLING PARTICLES OR IONISING RADIATION NOTOTHERWISE PROVIDED FOR ULTRASOUND THERAPY |
| title | PARTICLE-BEAM MEDICAL TREATMENT DEVICE |
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