放医研の重粒子線治療室が旧治療室に比べて改良された点が森博士によって２０１２年（すでに５年もまえになる）。
下にその要約がのべられているが、私の考えではさまざまな改良の中でもっとも重要な成果は患者が治療室にいる時間を７分にまで短縮できたことだ。これは重粒子線治療施設を考えるときに治療患者の数を増やすことで採算のとれない重粒子線治療の改善に希望を与えうるからだ。
現実には建設中の山形大学の重粒子線治療施設は当初から赤字が予想され病院の経営を圧迫するという予想が
マスコミで流布されている。
大局的に技術の進歩がいかされていないことは残念なことだ。
JournAL oF APPLIEd cLInIcAL MEdIcAL PHYSIcS, VoLuME 13, nuMBEr 6, 2012
Patient handling system for carbon ion beam scanning therapy
Shinichiro Mori,a Toshiyuki Shirai, Yuka Takei, Takuji Furukawa, Taku Inaniwa, Yuka Matsuzaki, Motoki Kumagai, Takeshi Murakami, Koji Noda
Research Center for Charged Particle Therapy, National Institute of Radiological Sciences, Inage-ku, Japan
shinshin@nirs.go.jp
Received 6 February, 2012; accepted 25 July, 2012
Our institution established a new treatment facility for carbon ion beam scanning therapy in 2010. The major advantages of scanning beam treatment compared to the passive beam treatment are the following: high dose conformation with less excessive dose to the normal tissues, no bolus compensator and patient collimator/ multi-leaf collimator, better dose ef ciency by reducing the number of scatters. The new facility was designed to solve several problems encountered in the existing facility, at which several thousand patients were treated over more than 15 years. Here, we introduce the patient handling system in the new treatment facility. The new facility incorporates three main systems, a scanning irradiation system (S-IR), treatment planning system (TPS), and patient handling system (PTH). The PTH covers a wide range of functions including imaging, geometrical/position accuracy including motion management (immobilization, robotic arm treatment bed), layout of the treatment room, treatment work ow, software, and others. The rst clinical trials without respiratory gating have been successfully started. The PTH allows a reduction in patient stay in the treatment room to as few as 7 min. The PTH plays an important role in carbon ion beam scanning therapy at the new institution, particularly in the management of patient handling, application of image-guided therapy, and improvement of treatment work ow, and thereby allows substantially better treatment at minimum cost.
下にその要約がのべられているが、私の考えではさまざまな改良の中でもっとも重要な成果は患者が治療室にいる時間を７分にまで短縮できたことだ。これは重粒子線治療施設を考えるときに治療患者の数を増やすことで採算のとれない重粒子線治療の改善に希望を与えうるからだ。
現実には建設中の山形大学の重粒子線治療施設は当初から赤字が予想され病院の経営を圧迫するという予想が
マスコミで流布されている。
大局的に技術の進歩がいかされていないことは残念なことだ。
JournAL oF APPLIEd cLInIcAL MEdIcAL PHYSIcS, VoLuME 13, nuMBEr 6, 2012
Patient handling system for carbon ion beam scanning therapy
Shinichiro Mori,a Toshiyuki Shirai, Yuka Takei, Takuji Furukawa, Taku Inaniwa, Yuka Matsuzaki, Motoki Kumagai, Takeshi Murakami, Koji Noda
Research Center for Charged Particle Therapy, National Institute of Radiological Sciences, Inage-ku, Japan
shinshin@nirs.go.jp
Received 6 February, 2012; accepted 25 July, 2012
Our institution established a new treatment facility for carbon ion beam scanning therapy in 2010. The major advantages of scanning beam treatment compared to the passive beam treatment are the following: high dose conformation with less excessive dose to the normal tissues, no bolus compensator and patient collimator/ multi-leaf collimator, better dose ef ciency by reducing the number of scatters. The new facility was designed to solve several problems encountered in the existing facility, at which several thousand patients were treated over more than 15 years. Here, we introduce the patient handling system in the new treatment facility. The new facility incorporates three main systems, a scanning irradiation system (S-IR), treatment planning system (TPS), and patient handling system (PTH). The PTH covers a wide range of functions including imaging, geometrical/position accuracy including motion management (immobilization, robotic arm treatment bed), layout of the treatment room, treatment work ow, software, and others. The rst clinical trials without respiratory gating have been successfully started. The PTH allows a reduction in patient stay in the treatment room to as few as 7 min. The PTH plays an important role in carbon ion beam scanning therapy at the new institution, particularly in the management of patient handling, application of image-guided therapy, and improvement of treatment work ow, and thereby allows substantially better treatment at minimum cost.