Patent ID: 9486649
Filing Date: 2016-11-08
CPC Classification: A61N

Claim Text:
1. A method for irradiating a target volume with an ion beam; wherein the irradiation of the target volume is divided over time into at least one radiography phase and at least one deposition phase; wherein the energy of the ion beam is altered over time between the at least one radiography phase and the at least one deposition phase, such that i) in the at least one radiography phase, the range of the ion beam is distal with respect to the target volume, so that the ion beam passes through the target volume, and wherein by means of the ion beam an ion radiograph of the target volume is acquired by detecting the ion beam with an ion radiography detector that is arranged distal with respect to the target volume; and ii) in the at least one deposition phase, the range of the ion beam is within the target volume, so that the ion beam is stopped in the target volume to deposit a predetermined dose in the target volume, wherein in the at least one deposition phase, the intensity of the ion beam is set considerably higher than in the at least one radiography phase.