CHARGED PARTICLE RADIATION THERAPY
First Claim
1. An apparatus comprisinga patient support, anda gantry on which an accelerator is mounted to enable the accelerator to move through a range of positions around a patient on the patient support,the accelerator being configured to produce a proton or ion beam having an energy level sufficient to reach an arbitrary target in the patient from positions within the range,the proton or ion beam passing essentially directly from the accelerator housing to the patient.
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Accused Products
Abstract
Among other things, an accelerator is mounted on a gantry to enable the accelerator to move through a range of positions around a patient on a patient support. The accelerator is configured to produce a proton or ion beam having an energy level sufficient to reach any arbitrary target in the patient from positions within the range. The proton or ion beam passes essentially directly from the accelerator to the patient. In some examples, the synchrocyclotron has a superconducting electromagnetic structure that generates a field strength of at least 6 Tesla, produces a beam of particles having an energy level of at least 150 MeV, has a volume no larger than 4.5 cubic meters, and has a weight less than 30 Tons.
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Citations
39 Claims
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1. An apparatus comprising
a patient support, and a gantry on which an accelerator is mounted to enable the accelerator to move through a range of positions around a patient on the patient support, the accelerator being configured to produce a proton or ion beam having an energy level sufficient to reach an arbitrary target in the patient from positions within the range, the proton or ion beam passing essentially directly from the accelerator housing to the patient.
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30. An apparatus comprising
a patient support, and a gantry on which an accelerator is mounted, the gantry being supported on two sides of the patient support for rotation (a) about a horizontal gantry axis that contains an isocenter in the patient and (b) through a range of positions that is smaller than 360 degrees, the patient support being rotatable about a vertical patient support axis that contains the isocenter, the accelerator comprising a synchrocyclotron configured to produce a proton or ion beam having an energy level of at least 150 MeV to reach any arbitrary target in the patient directly from positions within the range, the synchrocyclotron having superconducting windings.
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31. A method comprising
supporting a patient within a treatment space, causing a beam of proton or ions to pass in a straight line direction from an output of an accelerator to any arbitrary target within the patient, and causing the straight line direction to be varied through a range of directions around the patient.
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32. An apparatus comprising
an accelerator configured to produce a particle beam and to be mounted on a gantry that enables the accelerator to move through any range of positions around a patient on a patient support, the accelerator being configured to produce a particle beam having an energy level sufficient to reach any arbitrary target in the patient from positions within the range.
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33. An apparatus comprising
a gantry configured to hold an accelerator and to enable the accelerator to move through a range of positions around a patient on a patient support, the accelerator being configured to produce a proton or ion beam having an energy level sufficient to reach any arbitrary target in the patient from positions within the range.
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34. A structure comprising
a patient support, a gantry on which an accelerator is mounted to enable the accelerator to move through a range of positions around a patient on the patient support, the accelerator being configured to produce a proton or ion beam having an energy level sufficient to reach any arbitrary target in the patient from positions within the range, and a walled enclosure containing the patient support, the gantry, and the accelerator.
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35. An apparatus comprising
an accelerator configured to produce a proton or ion beam having an energy level sufficient to reach any arbitrary target in a patient, the accelerator being small enough and lightweight enough to be mounted on a rotatable gantry in an orientation to permit the proton or ion beam to pass essentially directly from the accelerator to the patient.
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36. An apparatus comprising
a medical synchrocyclotron having a superconducting electromagnetic structure that generates a field strength of at least 6 Tesla, produces a beam of particles having an energy level of at least 150 MeV, has a volume no larger than 4.5 cubic meters, and has a weight less than 30 Tons.
Specification