| Paper | Title | Page |
|---|---|---|
TUP01 |
Challenges of a Growing Installed Base and Pencil Beam Scanning Delivery in IBA Cyclone 230 | |
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| IBA’s Cyclone 230 is now installed and operated in more than 20 proton therapy centers worldwide and is delivering beam to treat patients with an uptime above 95%. The production and installation backlogs are still growing. The goal of this paper is to present and describe the latest developments delivered by IBA R&D and Operation teams to improve the robustness of the system over the years, from sourcing to assembly and testing, and to clinical operations. The first part of the paper will be dedicated to the technological R&D roadmap and to the new features implemented on the C230 which include, among others, the new “easy-removal” electrostatic deflector, the yoke heating system, the new single cast yoke and the research work to increase the PIG ion source stability and lifetime. The second part of the paper will focus on the new challenges brought by Pencil Beam Scanning PBS in terms of requirements on the cyclotron stability and reproducibility and more specifically on the stability of the beam spot size and position after maintenance and during daily operations. | ||
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