PARTICLE THERAPY SYSTEM WITH ROTATING BEAM DELIVERY
A particle therapy system (1) comprising a particle accelerator (40) for generating a charged particle beam (30), a beam delivery device (50) for delivering the beam (30) to a target (10) of a subject (20), a beam transport system (60) for transporting the beam (30) from the particle accelerator (40...
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Format: | Patent |
Sprache: | eng ; fre ; ger |
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Zusammenfassung: | A particle therapy system (1) comprising a particle accelerator (40) for generating a charged particle beam (30), a beam delivery device (50) for delivering the beam (30) to a target (10) of a subject (20), a beam transport system (60) for transporting the beam (30) from the particle accelerator (40) to the beam delivery device (50), and a supporting device (70) for supporting a subject (20). The beam delivery device (50) is rotatable around the target (10) and with respect to the supporting device (70), so as to be able to deliver the beam (30) to the target (10) according to a plurality of irradiation angles (α). The system also comprises a controller (80) configured to make the beam delivery device (50) rotate at a beam-on speed and meanwhile to irradiate the target (10) with the beam (30). The controller (80) is configured to make the beam delivery device (50) rotate at at least two different beam-on speeds with respect to the supporting device (70), a first beam-on speed corresponding to a first irradiation angle (α1) and a second beam-on speed corresponding to a second irradiation angle (α2) among the plurality of irradiation angles (α). Having different beam-on speeds enables to reduce the treatment time. |
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