US Patent 10166404 Method for irradiation planning

Method for irradiation planning of a target volume with a scanned particle beam, comprising the following steps: defining a target volume located in a body, subdividing the target volume into a plurality of individually approachable target points, defining a number of temporally consecutive irradiation sub-plans, dividing the target points of the target volume among the irradiation sub-plans in subsets, wherein the subsets are distributed over the entire target volume, and wherein mutually adjacent target points of the target volume are each assigned to different irradiation sub-plans.