Patent ID: 11969608
Assignee: RAYSEARCH LABORATORIES AB
Field: Medical technology (Instruments)
Classification: CPC A | IPC A

Claim 8:
9. A computer program product comprising computer readable code means, stored in a non-transitory storage means, which, when run in a computer, will cause the computer to control a radiotherapy delivery system to deliver an ion beam to a patient, wherein passive devices are used to shape the beam, said passive devices including a range modulating device and an aperture element said code means being arranged to cause variation in the settings of at least one of the range modulating device, the aperture element and the MU during the delivery of the beam and to control the movement of the patient and/or the beam in such a way as to create an arc, wherein the arc is a continuous arc or includes at last one continuous sub-arc, the passive devices further including a range compensator which is placed around the patient or across the area of the patient that will be affected by the beam, and the optimization being set up to allow variation in settings of the range compensator.