Particle beam therapeutic apparatus

Details Particle beam therapeutic apparatus Particle beam therapeutic apparatus

2008-05-27

2008-05-27

Berman, Jack I. (Department: 2881)

Radiant energy

Irradiation of objects or material

Ion or electron beam irradiation

C250S493100, C250S505100, C250S515100, C250S503100, C250S359100, C378S065000, C378S147000, C378S152000, C313S359100

Reexamination Certificate

active

07378672

ABSTRACT:
A particle beam therapeutic apparatus can ensure the uniformity of dose distribution by overlapping the desired loci of the irradiation of a particle beam a reduced number of times. A flow of a particle beam transported so as to be irradiated to a diseased part is caused to deflect in two mutually orthogonal directions perpendicular to the direction of travel of the particle beam. The irradiation position of the particle beam is scanned, upon each period, in a manner to return to a position of irradiation located at the start of the period, whereby a plurality of loci drawn within one period are overlapped with one another thereby to irradiate a desired planned dose to the diseased part. The particle beam can be interrupted only at the end of the period.

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Machine translated version of Komori et al. (JP2005103255 A) and English abstract.
Masataka Komori et al., “Optimization of Spiral-Wobbler System For Heavy-Ion Radiotherapy”, Japanese Journal of Applied Physics, vol. 43, No. 9A, 2004, pp. 6463-6467.
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