MULTI-FIELD CHARGED PARTICLE CANCER THERAPY METHOD AND APPARATUS
First Claim
1. An apparatus for irradiating a tumor of a patient with charged particles, comprising:
- a charged particle therapy system, comprising;
a synchrotron;
a charged particle beam path; and
a rotatable platform,wherein said charged particle beam path runs through said synchrotron and terminates above said rotatable platform;
wherein said rotatable platform rotates at least ninety degrees during an irradiation period,wherein said rotatable platform rotates to at least five irradiation positions during said irradiation period.
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Abstract
The invention comprises a multi-field charged particle irradiation method and apparatus. Radiation is delivered through an entry point into the tumor and Bragg peak energy is targeted to a distal or far side of the tumor from an ingress point. Delivering Bragg peak energy to the distal side of the tumor from the ingress point is repeated from multiple rotational directions. Preferably, beam intensity is proportional to radiation dose delivery efficiency. Preferably, the charged particle therapy is timed to patient respiration via control of charged particle beam injection, acceleration, extraction, and/or targeting methods and apparatus. Optionally, multi-axis control of the charged particle beam is used simultaneously with the multi-field irradiation. Combined, the system allows multi-field and multi-axis charged particle irradiation of tumors yielding precise and accurate irradiation dosages to a tumor with distribution of harmful irradiation energy about the tumor.
231 Citations
43 Claims
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1. An apparatus for irradiating a tumor of a patient with charged particles, comprising:
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a charged particle therapy system, comprising; a synchrotron; a charged particle beam path; and a rotatable platform, wherein said charged particle beam path runs through said synchrotron and terminates above said rotatable platform; wherein said rotatable platform rotates at least ninety degrees during an irradiation period, wherein said rotatable platform rotates to at least five irradiation positions during said irradiation period. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18)
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19. A method for irradiating a tumor of a patient with charged particles, comprising:
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delivering the charged particles with a charged particle therapy system, comprising; a synchrotron; a charged particle beam path; and a rotatable platform, wherein said charged particle beam path runs through said synchrotron and terminates above said rotatable platform; during an irradiation period, rotating said rotatable platform to at least five irradiation positions coving at least ninety degrees of rotation of said rotatable platform; and irradiating the tumor with the charged particles during each of said at least five irradiation positions. - View Dependent Claims (20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43)
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Specification