Beam angle direction determination
First Claim
Patent Images
1. A system comprising:
- a radiation therapy device with a gantry, the radiation therapy device configured to deliver a radiation beam at an angle determined by orientation of the gantry;
a pair of radiation detectors located at a fixed position to receive radiation originating from the radiation beam, each of the radiation detectors in the pair generating differing responses to the radiation beam at the angle; and
computer hardware configured to perform operations comprising;
determining the angle of the gantry utilizing the differing responses from the pair of radiation detectors.
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Abstract
A system is disclosed that includes a radiation therapy device with a gantry. The radiation therapy device is configured to deliver a radiation beam at an angle determined by orientation of the gantry. Also, a pair of radiation detectors are located at a fixed position to receive radiation originating from the radiation beam. Each of the radiation detectors in the pair generate differing responses to the radiation beam at the angle. The system further includes computer hardware configured to perform operations that determine the angle of the gantry utilizing the differing responses from the pair of radiation detectors.
229 Citations
19 Claims
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1. A system comprising:
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a radiation therapy device with a gantry, the radiation therapy device configured to deliver a radiation beam at an angle determined by orientation of the gantry; a pair of radiation detectors located at a fixed position to receive radiation originating from the radiation beam, each of the radiation detectors in the pair generating differing responses to the radiation beam at the angle; and computer hardware configured to perform operations comprising; determining the angle of the gantry utilizing the differing responses from the pair of radiation detectors. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14)
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15. A computer program product comprising a non-transitory, machine-readable medium storing instructions which, when executed by at least one programmable processor, cause operations comprising:
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receiving responses from a pair of radiation detectors located at a fixed position that receive radiation originating from a radiation beam at an angle determined by orientation of a gantry, wherein each of the radiation detectors in the pair generate differing responses to the radiation beam at the angle; and determining the angle of the gantry utilizing the differing responses from the pair of radiation detectors. - View Dependent Claims (16, 17, 18, 19)
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Specification