Particle therapy apparatus and method for modulating a...

Details Particle therapy apparatus and method for modulating a... Particle therapy apparatus and method for modulating a...

2009-03-12

2011-10-18

Vanore, David A (Department: 2881)

Radiant energy

Irradiation of objects or material

Ion or electron beam irradiation

C250S492100, C250S492200

Reexamination Certificate

active

08039822

ABSTRACT:
The invention relates to a particle therapy apparatus having an accelerator for generating a particle beam, a passive energy modulator comprising an absorber element, and a control entity. The control entity is designed to switch between an active adjustment of the energy in the accelerator and a passive energy modulation by the energy modulator, for the purpose of changing the energy of the particle beam from a high energy level to a low energy level in a step-by-step manner. In particular, this has the effect of shortening the dead times when changing between the energy levels.

REFERENCES:
patent: 2005/0167616 (2005-08-01), Yanagisawa et al.
patent: 2006/0017015 (2006-01-01), Sliski et al.
patent: 19907098 (2000-08-01), None
patent: 10031074 (2002-01-01), None
patent: WO 2008/003527 (2008-01-01), None

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