Patient positioning system
First Claim
1. A method of positioning a patient for treatment using a particle therapy system, comprising:
- associating fiducials with the patient;
using a first imaging system located at an imaging position to capture a first image of the fiducials and of an irradiation target while the patient is on a treatment couch, the imaging position being in a treatment room where treatment using the particle therapy system is to be performed;
moving the treatment couch while the patient is on the treatment couch from the imaging position toward a treatment position at which the treatment using the particle therapy system is to be performed, the treatment position being different from the imaging position and being in the treatment room;
following movement of the treatment couch, using a second imaging system to capture a second image of the fiducials in the treatment room while the patient is on the treatment couch;
determining locations of the fiducials in the treatment room based on both the first image and the second image;
determining a location of the irradiation target relative to the particle therapy system based on locations of the fiducials in the treatment room and in the first image; and
moving the treatment couch into the treatment position in the treatment room based on the location of the irradiation target;
wherein the patient remains on the treatment couch during capturing the first image, through moving the treatment couch toward the treatment position, through capturing the second image, and through moving the treatment couch into the treatment position.
1 Assignment
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Accused Products
Abstract
An example treatment system includes: a treatment couch for holding a patient; fiducials associated with the patient; an imaging system to capture an image of the fiducials and of an irradiation target while the patient is on the treatment couch, where the image is captured in a treatment room where treatment is to be performed; a mechanism to move the treatment couch; and a computer system programmed to align locations of the fiducials to the fiducials in the image, and to determine a location of the irradiation target relative to a treatment system based on locations of the fiducials and based on the image. The movement of the treatment couch into a treatment position in the treatment room may be based on the location of the irradiation target.
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Citations
37 Claims
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1. A method of positioning a patient for treatment using a particle therapy system, comprising:
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associating fiducials with the patient; using a first imaging system located at an imaging position to capture a first image of the fiducials and of an irradiation target while the patient is on a treatment couch, the imaging position being in a treatment room where treatment using the particle therapy system is to be performed; moving the treatment couch while the patient is on the treatment couch from the imaging position toward a treatment position at which the treatment using the particle therapy system is to be performed, the treatment position being different from the imaging position and being in the treatment room; following movement of the treatment couch, using a second imaging system to capture a second image of the fiducials in the treatment room while the patient is on the treatment couch; determining locations of the fiducials in the treatment room based on both the first image and the second image; determining a location of the irradiation target relative to the particle therapy system based on locations of the fiducials in the treatment room and in the first image; and moving the treatment couch into the treatment position in the treatment room based on the location of the irradiation target; wherein the patient remains on the treatment couch during capturing the first image, through moving the treatment couch toward the treatment position, through capturing the second image, and through moving the treatment couch into the treatment position. - View Dependent Claims (2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18)
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7. The method of claim, wherein the particle therapy system has an isocenter;
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wherein moving the treatment couch into the treatment position comprises moving the treatment couch so that the location of the irradiation target corresponds to the a location of the isocenter.
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19. A treatment system comprising:
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a treatment couch for holding a patient; fiducials associated with the patient; a first imaging system located at an imaging position to capture a first image of the fiducials and of an irradiation target while the patient is on the treatment couch, the first imaging system being in a treatment room where treatment using a particle therapy system is to be performed; a mechanism to move the treatment couch while the patient is on the treatment couch from the imaging position toward a treatment position at which the treatment using the particle therapy system is to be performed, the treatment position being different from the imaging position and being in the treatment room; a second imaging system to capture a second image of the fiducials in the treatment room following movement of the treatment couch toward the treatment position and while the patient is on the treatment couch; and a computer system programmed to align locations of the fiducials in the second image to locations in the treatment room, to align locations of fiducials in the first image to the locations in the treatment room, and to determine a location of the irradiation target relative to the particle therapy system based on the locations of the fiducials in the treatment room and based on the first image wherein the mechanism to move the treatment couch is controllable to move the treatment couch based on the location of the irradiation target so that the irradiation target is in the treatment position; wherein the patient remains on the treatment couch during capturing the first image, through moving the treatment couch toward the treatment position, and during capturing the second image. - View Dependent Claims (20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37)
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Specification