Kobe Proton Center now clinical with RayStation

Kobe Proton Center in Japan has recently started clinical application of RayStation 7 for treatment. The first patient was treated in March 2018 using the uniform scanning method with a plan created in RayStation.

The new state-of-the-art center opened in 2017 and was one of the first clinical installations for particle therapy for RayStation in Japan. The RayStation system has been adapted to Mitsubishi Electric Corporation’s special PBS delivery techniques. The order was placed in 2016, and the adaptation was successfully validated last year in partnership with Mitsubishi Electric Corporation.

Kobe Proton Center is equipped with Mitsubishi Electric Corporation’s new multifunction irradiation nozzle, which can be used in uniform scanning or PBS mode and is capable of quickly switching between the two modes. The new technology includes a high dose rate beam delivery system that reduces irradiation time by 75 percent for improved patient comfort. Currently, the system is being used in uniform scanning mode, and PBS will be introduced in the near future.

Tomohiro Yamashita, Medical Physicist at Kobe Proton Center, says: “Our important mission is to provide the best proton therapy possible to pediatric patients with cancer. To achieve the goal, we need the most advanced technology present and we are happy that RayStation 7 gives us opportunities to apply many advanced functionalities with efficiency. We hope RaySearch will continue to be a leading company in the area of proton therapy and enable us to provide the best care to pediatric patients.”

Johan Löf, CEO of RaySearch, says: “We are very pleased to see the first patient treatment with RayStation treatment plan at Kobe Proton Center. Proton therapy is a special focus area for RaySearch and Japan is one of the world’s most technologically advanced markets. We have a strong user base in Japan and are strengthening our presence to support the market more fully. I look forward to a successful cooperation with Kobe Proton Center.”

About Kobe Proton Center
Kobe Proton Center is a branch center of Hyogo Ion Beam Medical Center, which has a wealth of knowledge and experience of applying proton and Carbon-ion therapy to cancer patients. Kobe Proton Center was founded to leverage the experience and provide proton therapy to patients of all backgrounds and especially pediatric patients who would be extra benefited by the characteristic proton dose distribution. The center is thus located next to Hyogo Prefectural Kobe Children’s Hospital and the two hospitals are in close cooperation.

About RayStation
RayStation integrates all RaySearch’s advanced treatment planning solutions into a flexible treatment planning system. It combines unique features such as multi-criteria optimization tools with full support for 4D adaptive radiation therapy. It also includes functionality such as RaySearch’s market-leading algorithms for IMRT and VMAT optimization and highly accurate dose engines for photon, electron, proton and carbon ion therapy. The system is built on the latest software architecture and features a graphical user interface with state-of-the-art usability.

Company: RaySearch Laboratories AB


RaySearch Laboratories AB (publ) has been pushing the limits of advanced cancer treatment since 2000. Using progressive algorithms, RaySearch develops world leading software used by thousands of the most cutting-edge cancer clinics in the world. The algorithms are based upon founder and CEO Johan Löf’s scientific knowledge, acquired during his PhD on radiation treatment of moving tumors at the Karolinska Institute. The treatment planning system RayStation and the OIS RayCare are the result of extensive development during years of research, and today used to improve chances of survival and quality of life for cancer patients. We fight for a world where cancer is conquered.

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