Mitsubishi Electric to Install Proton Beam Therapy System at Tsuyama Chuo Hospital in Okayama, Japan – Oct 01, 2013– Tokyo, Japan (Techreleased) – Mitsubishi Electric Corporation announced today that it has signed an agreement to provide its innovative proton beam therapy system for cancer treatment to Tsuyama Chuo Hospital located in Okayama. This will be the first particle therapy system in the Chugoku-Shikoku region, significantly expanding access to patients in southern Japan. The system will be part of a new treatment center expected to open in March 2016 that will be jointly operated with Okayama University.


Proton Beam Therapy System
Proton Beam Therapy System

Proton Beam Therapy System
The proton system features the new Universal Nozzle with high dose-rate capability. Testing is being performed at the in-house proton beam facility at Mitsubishi Electric’s Kobe factory to obtain Government approval in a timely manner. Mitsubishi Electric also provides staff training and commissioning support to facilitate the early start up of treatment.

New Treatment Center
Okayama University / Tsuyama Chuo Hospital Proton Beam Cancer Center, is located on the campus of Tsuyama Chuo Hospital (Shigeatsu Fujiki, Chairman), and will be operated jointly with Okayama University (Kiyoshi Morita, President). Tsuyama Chuo Hospital and Okayama University Medical School, Department of Radiation Oncology (Susumu Kanazawa, Professor and Department Chairman) will assume central roles in proton beam therapy, clinical research and education at the new facility.

To date, Mitsubishi Electric has installed systems at eight of the 11 particle therapy facilities in Japan, and more than 16,000 patients have been treated at these facilities. Tsuyama Chuo Hospital will be the ninth facility to install a Mitsubishi Electric particle therapy system.

Mitsubishi Electric will continue to provide and develop advanced particle therapy systems for use worldwide, and is committed to providing superb operational and maintenance support.

Facility Prefecture Year Ion Species
National Institute of Radiological Sciences
(Main contractor: Mitsubishi Electric)
Chiba 1994 carbon
Hyogo Ion Beam Medical Center Hyogo 2001 proton/carbon
Shizuoka Cancer Center Shizuoka 2003 proton
Southern TOHOKU Proton Therapy Center Fukushima 2008 proton
Gunma University Heavy Ion Medical Center Gunma 2010 carbon
Fukui Prefectural Hospital Proton Beam Cancer Treatment Center Fukui 2011 proton
Medipolis Medical Research Institute Kagoshima 2011 proton
SAGA Heavy Ion Medical Accelerator in Tosu Saga 2013 carbon
Okayama University / Tsuyama Chuo Hospital Proton Beam Cancer Center Okayama 2016