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Initial experience of using an active beam delivery technique at PSI.
E Pedroni1, T Böhringer, A Coray
1Division of Radiation Medicine, Paul Scherrer Institute, Villigen PSI, Switzerland. pedroni@psi.ch
Summary
A new proton therapy facility at PSI, featuring spot scanning and a compact gantry, is now operational. This advanced system demonstrates the feasibility of spot scanning for patient treatments, paving the way for future proton beam optimization.
Area of Science:
- Medical Physics
- Radiation Oncology
- Particle Accelerators
Background:
- Proton therapy offers precise radiation delivery.
- Technological advancements are crucial for enhancing treatment efficacy.
- Commissioning new medical facilities involves overcoming unique challenges.
Purpose of the Study:
- To report on the assembly and commissioning of a new proton therapy facility at PSI.
- To highlight the capabilities of the spot scanning technique and compact gantry.
- To discuss initial challenges, preliminary experiences, and future expectations for proton beam therapy.
Main Methods:
- Assembly and commissioning of a new proton therapy facility.
- Implementation and operation of the spot scanning technique.
- Patient treatments utilizing the new facility.
Main Results:
- The new proton therapy facility at PSI has been successfully commissioned and is operational.
- The spot scanning technique has been demonstrated as feasible in practice with patient treatments.
- Initial operational challenges were encountered but largely overcome.
Conclusions:
- The new proton therapy facility demonstrates the successful implementation of spot scanning technology.
- Preliminary experiences are positive, with optimistic expectations for future advancements.
- The project aims to develop inverse planning for proton beams, mirroring photon therapy progress.