Hitachi, Ltd.

Mitsubishi Electric Corporation

Natsuko Maeda

Kazuo Yamamoto

Hiroshi Nishizawa

Taizo Honda

Yusuke Sakamoto

Shinichiro Tsudaka

Yukiko Hirano

Yasuto Kishii

Masateru Hayashi

Tetsushi Azuma

Eri Hattori

A dose distribution calculation device of the invention is characterized by including: a beam information storing unit (a measured energy storing unit, a measured electric-charge storing unit, a measured beam-central axis storing unit), in which, when particle beam information of a particle beam generated by a particle beam therapy system is measured by a measuring device in confirmative radiation in which the particle beam is radiated to a phantom as a substitute for a treatment target, the thus-measured particle beam information is stored; and a total dose calculation unit for calculating a radiation dose distribution (a total dose distribution) on the basis of the measured particle beam information (a measured energy, a measured beam quantity (a measured number of electric charges), a measured position of beam central axis).

Dose distribution calculation device, particle beam therapy system, and dose distribution calculation method

A control unit of a plant facilities testing apparatus implements a first step of obtaining unupdated screen information and updated screen information, a second step of obtaining an unupdated test-item table file, a third step of comparing the unupdated screen information with the updated screen information and extracting a change item and an addition item while categorizing a difference thereinto, a fourth step of creating a test-item table file for an addition portion based on the addition item, a fifth step of creating a test-item table file for a change portion based on the change item and the unupdated test-item table file, and a sixth step of creating an updated test-item table file by combining the test-item table file for an addition portion with the test-item table file for a change portion.

Plant facilities testing apparatus

Growing community of inventors

Tokyo, Japan

Natsuko Maeda