Ion beam delivery equipment and an ion beam delivery method

Details Ion beam delivery equipment and an ion beam delivery method Ion beam delivery equipment and an ion beam delivery method

2008-07-01

2008-07-01

Berman, Jack I. (Department: 2881)

Radiant energy

Irradiation of objects or material

Ion or electron beam irradiation

C250S398000, C250S397000, C250S3960ML

Reexamination Certificate

active

11414204

ABSTRACT:
The invention is intended to confirm whether the SOBP (spread-out Bragg peak) width is a desired value in real time during beam irradiation, and to improve safety in treatment. Ion beam delivery equipment comprises a beam generator including a synchrotron, an RMW (range modulation wheel) device for forming an SOBP width of an ion beam extracted from the beam generator, a beam delivery nozzle including a reference dose monitor and a main dose monitor which are installed respectively upstream and downstream of the RMW device in the direction of travel of the ion beam, and an SOBP width computing unit for computing the SOBP width of the ion beam, which is formed by the RMW device, based on values detected by both the reference dose monitor and the main dose monitor.

REFERENCES:
patent: 5363008 (1994-11-01), Hiramoto et al.
patent: 2004/0200983 (2004-10-01), Fujimaki et al.
patent: 2006/0273264 (2006-12-01), Nakayama et al.
patent: 1020204 (2000-07-01), None
Review of Scientific Instruments, vol. 64, No. 8, pp. 2074-2084.
“Monitor unit calculations for range-modulated spread-out Bragg peak fields” by H. Kooy, et al. Physics in Medicine and Biology 48 (2003) 2797-2808.

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