Method and apparatus for aligning a multi-modality imaging system
First Claim
1. A target object for aligning a multi-modality imaging system having emission detectors and magnetic resonance imaging (MRI) detectors, the target object comprising:
- a target object body having a cavity therein;
a first imaging source being disposed within the cavity, the first imaging source including an imaging source body having a cavity defined therein and a radioactive imaging material disposed within the first imaging source cavity, the radioactive imaging material configured to emit radiation scannable by the emission detectors, the first imaging source having a first shape; and
a second imaging source being disposed within the cavity, the second imaging source including a body having a cavity defined therein and a magnetic resonance visible material disposed within the cavity of the second imaging source, the magnetic resonance visible material configured to be detected by the MRI detectors, the second imaging source having a second shape that is different than the first shape.
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Accused Products
Abstract
A target object for aligning a multi-modality imaging system includes a body having a cavity therein, a first imaging source being disposed within the cavity, the first imaging source including a body having a cavity defined therein and an emission responsive material disposed within the first imaging source cavity, the first imaging source having a first shape, and a second imaging source being disposed within the cavity, the second imaging source including a body having a cavity defined therein and a magnetic resonance responsive material disposed within the second imaging source cavity, the second imaging source having a second shape that is different than the first shape. A method of aligning a multi-modality imaging system is also provided.
28 Citations
20 Claims
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1. A target object for aligning a multi-modality imaging system having emission detectors and magnetic resonance imaging (MRI) detectors, the target object comprising:
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a target object body having a cavity therein; a first imaging source being disposed within the cavity, the first imaging source including an imaging source body having a cavity defined therein and a radioactive imaging material disposed within the first imaging source cavity, the radioactive imaging material configured to emit radiation scannable by the emission detectors, the first imaging source having a first shape; and a second imaging source being disposed within the cavity, the second imaging source including a body having a cavity defined therein and a magnetic resonance visible material disposed within the cavity of the second imaging source, the magnetic resonance visible material configured to be detected by the MRI detectors, the second imaging source having a second shape that is different than the first shape. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9)
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10. An alignment object for aligning a multi-modality imaging system having emission detectors and magnetic resonance imaging (MRI) detectors, the alignment object comprising:
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a target object body having a cavity therein; and a plurality of target objects installed in the target object body, at least one of the target objects including a first imaging source being disposed within the cavity of the target object body, the first imaging source including a body having a cavity defined therein and a radioactive imaging material disposed within the cavity of the first imaging source, the radioactive imaging material configured to emit radiation scannable by the emission detectors, the first imaging source having a first shape; and a second imaging source being disposed within the cavity of the target object body, the second imaging source including a body having a cavity defined therein and a magnetic resonance visible material disposed within the cavity of the second imaging source, the magnetic resonance visible material configured to be detected by the MRI detectors, the second imaging source having a second shape that is different than the first shape. - View Dependent Claims (11, 12, 13, 14, 15, 16, 17)
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18. A method of aligning a multi-modality imaging system including a first modality unit having emission detectors, and a second modality unit having magnetic resonance imaging (MRI) detectors, said method comprising:
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imaging a plurality of target objects with the first modality unit to generate an emission image data set, wherein at least one of the target objects includes a target object body having a cavity therein; a first imaging source being disposed within the cavity of the target object body, the first imaging source including a body having a cavity defined therein and a radioactive imaging material disposed within the cavity of the first imaging source, the radioactive imaging material configured to emit radiation to be detected by the emission detectors, the first imaging source having a first shape; and a second imaging source being disposed within the cavity of the target object, the second imaging source including a body having a cavity defined therein and a magnetic resonance visible material disposed within the cavity of the second imaging source, the magnetic resonance visible material configured to be detected by the MRI detectors, the second imaging source having a second shape that is different than the first shape; determining a location of the target objects in the emission image data set to produce emission target object location coordinates; calculating a positional alignment vector for each target object based on the emission target object location coordinates; and aligning the multi-modality imaging system based on the positional alignment vectors. - View Dependent Claims (19, 20)
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Specification