Multi-mode operation of a standing wave linear accelerator
First Claim
1. A method of generating charged particle beams of different output energy, comprising:
- operating a standing wave linear accelerator in a first resonance mode to produce a first charged particle beam characterized by a first output energy; and
operating the standing wave linear accelerator in a second resonance mode to produce a second charged particle beam characterized by a second output energy different from the first output energy.
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Accused Products
Abstract
The invention provides a scheme in accordance with which a linear accelerator may be operated in two or more resonance (or standing wave) modes to produce charged particle beams over a wide range of output energies so that diagnostic imaging and therapeutic treatment may be performed on a patient using the same device. In this way, the patient may be diagnosed and treated, and the results of the treatment may be verified and documented, without moving the patient. This feature reduces alignment problems that otherwise might arise from movement of the patient between diagnostic and therapeutic exposure machines. In addition, this feature reduces the overall treatment time, thereby reducing patient discomfort.
118 Citations
20 Claims
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1. A method of generating charged particle beams of different output energy, comprising:
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operating a standing wave linear accelerator in a first resonance mode to produce a first charged particle beam characterized by a first output energy; and
operating the standing wave linear accelerator in a second resonance mode to produce a second charged particle beam characterized by a second output energy different from the first output energy. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8)
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9. A method of performing diagnostic imaging of a patient, comprising:
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operating a standing wave linear accelerator in a non-π
/2 resonance mode to produce a charged particle beam;
producing a diagnostic beam from the charged particle beam; and
imaging the patient based upon passage of the diagnostic beam through the patient. - View Dependent Claims (10, 11, 12, 13)
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14. A system for generating charged particle beams of different output energy, comprising:
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a standing wave linear accelerator; and
a controller configured to operate the standing wave linear accelerator in a first resonance mode to produce a first charged particle beam characterized by a first output energy; and
operate the standing wave linear accelerator in a second resonance mode to produce a second charged particle beam characterized by a second output energy different from the first output energy. - View Dependent Claims (15, 16, 17, 18, 19, 20)
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Specification