Related Experiment Videos
The PSI Gantry 2: a second generation proton scanning gantry
Eros Pedroni1, Ralph Bearpark, Terence Böhringer
1Abteilung für Strahlenmedizin, Paul Scherrer Institut, CH-5212 Villigen-PSI, Schweiz.
Zeitschrift Fur Medizinische Physik
|April 24, 2004
Summary
The Paul Scherrer Institute (PSI) advanced proton therapy with a compact gantry system and intensity-modulated proton therapy (IMPT). The PROSCAN project further developed this technology with a new superconducting cyclotron and Gantry 2 for enhanced dose shaping.
Area of Science:
- Medical Physics
- Radiation Oncology
- Particle Accelerators
Background:
- The Paul Scherrer Institute (PSI) pioneered dynamic beam scanning proton therapy with a compact gantry.
- The successful implementation of proton therapy led to the expansion of activities through the PROSCAN project.
Purpose of the Study:
- To detail the development and implementation of the PROSCAN project at PSI.
- To introduce the novel compact isocentric Gantry 2 and its technical specifications.
- To highlight advancements in intensity-modulated proton therapy (IMPT) delivery.
Main Methods:
- Installation of a novel commercial superconducting cyclotron.
- Development and design of a compact, isocentric Gantry 2 with a 7.5 m diameter.
- Utilizing a faster scanning system, dynamic beam intensity control, and dynamic energy variation for dose shaping.
Main Results:
- The PROSCAN project successfully integrated a new cyclotron and the compact Gantry 2.
- The Gantry 2 design offers ample treatment room space and patient table accessibility.
- The system enables repeated target volume treatments within the same session through advanced beam control.
Conclusions:
- PSI continues to lead in proton therapy innovation with the PROSCAN project.
- The compact Gantry 2 represents a significant advancement in proton therapy system design.
- Dynamic beam control techniques facilitate precise dose shaping and potentially improved treatment efficacy.