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1. (WO2013124975) RANGE SHIFTER AND PARTICLE RADIOTHERAPY DEVICE

Pub. No.:    WO/2013/124975    International Application No.:    PCT/JP2012/054201
Publication Date: Fri Aug 30 01:59:59 CEST 2013 International Filing Date: Thu Feb 23 00:59:59 CET 2012
IPC: G21K 3/00
A61N 5/10
Applicants: Mitsubishi Electric Corporation
三菱電機株式会社
YAMAMOTO Hirohide
山本 寛英
HAGINO Takeshi
萩野 剛
INOUE Hiromitsu
井上 博光
Inventors: YAMAMOTO Hirohide
山本 寛英
HAGINO Takeshi
萩野 剛
INOUE Hiromitsu
井上 博光
Title: RANGE SHIFTER AND PARTICLE RADIOTHERAPY DEVICE
Abstract:
This particle radiotherapy device is provided with a transmission plate (1) the thickness of which is adjusted according to a setting value for energy attenuation and a holding part (3) that holds the transmission plate (1). The thickness of the transmission plate (1) is adjusted to a thickness corresponding to attenuation smaller than the setting value by a prescribed proportion. Also provided on either or both of the transmission plate (1) and the holding part (3) is a superimposition mechanism that superimposes onto the transmission plate (1), so as to be freely attachable and detachable, an adjustment sheet (2) such that the thickness is adjusted to a thickness corresponding to attenuation of two times the prescribed proportion or less.