A charged hadron therapy system for delivering charged hadron radiation to a target is provided. The system comprises a target positioning couch for supporting the target being moveable along a translation direction and a beam delivery system comprising a beam scanning means for scanning a hadron pe
A charged hadron therapy system for delivering charged hadron radiation to a target is provided. The system comprises a target positioning couch for supporting the target being moveable along a translation direction and a beam delivery system comprising a beam scanning means for scanning a hadron pencil beam over said target in a first scanning direction and a second scanning direction being substantially parallel with the translation direction. The beam scanning means is limited for providing a maximum scanning amplitude AY in the second scanning direction. The system comprises an irradiation controller configured for simultaneously and synchronously performing the moving of the couch and the scanning, so as to deliver charged hadron radiation to a target over a target size being larger in the Y direction than the maximum scanning amplitude AY.
대표청구항▼
1. A charged hadron therapy system for delivering charged hadron radiation to a target, the system comprising: a target positioning couch for supporting said target, the target positioning couch being configured for moving along a translation direction,a beam delivery system comprisinga beam scannin
1. A charged hadron therapy system for delivering charged hadron radiation to a target, the system comprising: a target positioning couch for supporting said target, the target positioning couch being configured for moving along a translation direction,a beam delivery system comprisinga beam scanning means for scanning a hadron pencil beam over said target in an first scanning direction and a second scanning direction, the second scanning direction being substantially parallel with the translation direction wherein the beam scanning means is limited for providing a maximum scanning amplitude AY in the second scanning direction, andan irradiation controller configured for simultaneously moving the couch along said translation direction and scanning the hadron pencil beam in X and Y in a synchronized manner, so as to deliver charged hadron radiation to a target over a target size being larger in the Y direction than the maximum scanning amplitude AY. 2. The charged hadron therapy system according to claim 1, wherein the system furthermore comprises an irradiation sequencer for determining a sequence of irradiation of different portions of the target to be irradiated, wherein the irradiation sequencer takes into account movement of the couch for determining the sequence. 3. The charged hadron therapy system according to claim 1, wherein the system comprises components downstream the beam scanning means limiting the lateral transmission of the beam of the charged hadron particle beam in the second scanning direction Y to a limitation length, and wherein the scanning amplitude AY is limited to less than the limitation length. 4. The charged hadron therapy system according to claim 1, wherein the irradiation sequencer is programmed for determining a sequence for scanning spot positions in the target according to a patient treatment plan, the spot positions being part of different energy layers of the patient treatment plan, wherein the sequence defines sub-volumes of the target to be irradiated subsequently taking into account a movement of the couch. 5. The charged hadron therapy system according to claim 4, wherein said sub-volumes are rhomboid shaped sub-volumes or rectangular-shaped sub-volumes. 6. The charged hadron therapy system according to claim 1, wherein said beam scanning means for scanning a hadron pencil beam over said target is programmed for providing a translation of the charged hadron particle beam synchronously with the translation of the target on the couch during predetermined time periods. 7. The charged hadron therapy system according to claim 1, wherein said beam delivery system furthermore comprises a gantry being adapted for rotating the pencil beam around the target and/or wherein the system further comprises an imaging means for determining a two-dimensional or three-dimensional image of at least a portion of the target. 8. The charged hadron therapy system according to claim 1, wherein the system comprises a magnetic resonance imaging system, the magnetic resonance imaging system comprising a magnet for generating a magnetic field for aligning the magnetic moment of atomic nuclei in the target, and in which the beam delivery means is arranged for directing the charged hadron pencil beam towards the target through a gap between a first portion and a second portion of the magnet, the gap determining the maximum area of transmission for the pencil beam. 9. A method for delivering charged hadron radiation to a target, the method comprising: moving a couch with a target in a translation direction,scanning a hadron pencil beam over said target in an first scanning direction and a second scanning direction, the second scanning direction being substantially parallel with the translation direction Y′,wherein the scanning in the second scanning direction is limited to a maximum scanning amplitude AY, and wherein said moving of the couch and said scanning are performed simultaneously in a synchronized manner, so as to deliver charged hadron radiation to a target over a target size being larger in the Y direction than the maximum scanning amplitude AY. 10. The method for delivering charged hadron radiation according to claim 9, wherein the method comprises translating the charged hadron particle beam synchronously with the translating of the target during predetermined time periods during irradiation of the target. 11. The method for delivering charged hadron radiation according to claim 9, wherein the method comprises scanning the beam according to a predetermined sequence for scanning spot positions in the target according to a patient treatment plan, the spot positions being part of different energy layers of the patient treatment plan, wherein the sequence defines sub-volumes of the target to be irradiated subsequently taking into account a movement of the couch. 12. The method for delivering charged hadron radiation according to claim 11, wherein said sub-volumes are rhomboid shaped sub-volumes or not rectangular-cuboid shaped. 13. The method for delivering charged hadron radiation according to claim 9, the method comprising obtaining a two-dimensional or three-dimensional image of at least a portion of the target for obtaining further information about the target and/or the method comprising performing magnetic resonance imaging during a charged hadron irradiation session of the target. 14. The method for delivering charged hadron radiation according to claim 9, the method being implemented as a set of instructions for, when executed on a computer, performing the method. 15. A controller for controlling a charged hadron therapy system, the controller being programmed for controlling translating of a target on a couch along a translation direction and for controlling scanning a hadron pencil beam over said target in an first scanning direction and a second scanning direction substantially parallel with the translation direction,i) wherein the controller is programmed for controlling scanning of the hadron pencil beam in the second scanning direction with a maximum scanning amplitude AY, and the controller is programmed for controlling simultaneously moving the couch along said translation direction and scanning the hadron pencil beam in X and Y in a synchronized manner, so as to deliver charged hadron radiation to a target over a target size being larger in the Y direction than the maximum scanning amplitude AY.
연구과제 타임라인
LOADING...
LOADING...
LOADING...
LOADING...
LOADING...
이 특허에 인용된 특허 (5)
Akiyama, Hiroshi; Kubo, Hiroshi; Hiramoto, Kazuo, Charged particle beam irradiation equipment and control method thereof.
※ AI-Helper는 부적절한 답변을 할 수 있습니다.