Lens system for nuclear medicine gamma ray camera
First Claim
Patent Images
1. A gamma ray camera system comprising:
- a lens system comprising at least one crystal diffraction lens; and
a camera, configured to;
perform three-dimensional gamma ray imaging of a first region of a volume of interest using the lens system, andperform three-dimensional gamma ray imaging of a second region of the volume of interest without using the lens system,wherein the second region has a volume at least 10 times a volume of the first region.
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Abstract
A gamma ray camera system is provided, which includes a lens system comprising at least one crystal diffraction lens, and a camera. The camera is configured to perform gamma ray imaging of a first region of a volume of interest using the lens system, and perform gamma ray imaging of a second region of the volume of interest without using the lens system. Other embodiments are also described.
66 Citations
17 Claims
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1. A gamma ray camera system comprising:
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a lens system comprising at least one crystal diffraction lens; and a camera, configured to; perform three-dimensional gamma ray imaging of a first region of a volume of interest using the lens system, and perform three-dimensional gamma ray imaging of a second region of the volume of interest without using the lens system, wherein the second region has a volume at least 10 times a volume of the first region. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9)
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10. A method for gamma ray imaging comprising:
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performing three-dimensional gamma ray imaging of a first region of a volume of interest using a lens system that includes at least one crystal diffraction lens; and performing three-dimensional gamma ray imaging of a second region of the volume of interest without using the lens system, wherein the second region has a volume at least 10 times a volume of the first region. - View Dependent Claims (11, 12, 13)
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14. A gamma ray camera system comprising:
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at least one gamma ray photon detector; a lens system comprising at least one crystal diffraction lens; and a control component, configured to adjust a focal length of the lens by changing a shape of the lens. - View Dependent Claims (15)
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16. A gamma ray camera system comprising:
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at least one gamma ray photon detector; a lens system comprising at least two crystal diffraction lenses; and a control component, configured to adjust a focal length of the lens system by rotating at least one of the lenses with respect to at least another of the lenses. - View Dependent Claims (17)
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Specification