Inner gantry
First Claim
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1. A system comprising:
- a patient support to hold a patient;
a synchrocyclotron to produce a proton or ion beam having an energy level sufficient to reach a target in the patient, the energy level being at least 150 MeV;
a gantry on which the synchrocyclotron is mounted to move the synchrocyclotron through a range of positions around the patient on the patient support; and
scanning elements that act on the proton or ion beam output from the synchrocyclotron, the scanning elements being between the patient and a location at which the proton or ion beam exits the synchrocyclotron.
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Abstract
A system includes a patient support and an outer 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 is configured to produce a proton or ion beam having an energy level sufficient to reach a target in the patient. An inner gantry includes an aperture for directing the proton or ion beam towards the target.
353 Citations
21 Claims
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1. A system comprising:
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a patient support to hold a patient; a synchrocyclotron to produce a proton or ion beam having an energy level sufficient to reach a target in the patient, the energy level being at least 150 MeV; a gantry on which the synchrocyclotron is mounted to move the synchrocyclotron through a range of positions around the patient on the patient support; and scanning elements that act on the proton or ion beam output from the synchrocyclotron, the scanning elements being between the patient and a location at which the proton or ion beam exits the synchrocyclotron. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 21)
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10. A system comprising:
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a patient support to hold a patient; a synchrocyclotron to produce a proton or ion beam having an energy level sufficient to reach a target in the patient; and a gantry on which the synchrocyclotron is mounted to move the synchrocyclotron through a range of positions around the patient on the patient support; wherein the synchrocyclotron comprises; superconducting coils to generate a magnetic field; ferromagnetic pole faces to shape the magnetic field through a space in which particles are accelerated to form the proton or ion beam; a cryostat to maintain the superconducting coils at a superconducting temperature; and straps to support the cryostat, the straps being arranged based on gravitational force on the superconducting coils caused by rotation of the gantry. - View Dependent Claims (11, 12, 13, 14, 15, 16, 17, 18, 19, 20)
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Specification