Fourth Generation Computed Tomography Scanner
AssigneeVarian Medical Systems, Inc.
InventorIvan P. Mollov
Life of this patent
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Abstract
A computed tomography apparatus includes a gantry having a rotary portion and a stationary portion. At least one radiation source and at least one anti-scatter grid are mounted on the rotary portion of the gantry and positioned opposite each other. A detector device is mounted on the stationary portion of the gantry. The detector device may include a plurality of detector sensors arranged in the form of a generally circular ring surrounding the periphery of the rotary portion. Alternatively, the detector device may include a plurality of flat panel detectors arranged in a generally circular geometry.
Claims20
A computed tomography apparatus comprising:
- a gantry having a rotary portion and a stationary portion;
- a radiation source mounted on the rotary portion of the gantry;
- a detector device mounted on the stationary portion of the gantry;
- and
- an anti-scatter grid mounted on the rotary portion of the gantry.
A computed tomography apparatus comprising:
- a gantry having a rotary portion and a stationary portion;
- two or more radiation sources mounted on the rotary portion of the gantry;
- and
- a detector device mounted on the stationary portion of the gantry.
A computed tomography apparatus comprising:
- a gantry having a rotary portion and a stationary portion;
- a radiation source mounted on the rotary portion of the gantry;
- and
- a plurality of flat panel detectors mounted on the stationary portion of the gantry.
Dependencies are inferred from the claim text.