METHOD AND SYSTEM OF OPTIMIZED VOLUMETRIC IMAGING
First Claim
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1. A radiation detection apparatus for detecting radiation emanating from a body, comprisinga detector arm which comprises:
- a) a radiation detector;
b) a collimator; and
c) a contact base positioned so as to be between said collimator and said body when said apparatus is used to detect radiation from said body,said contact base being sufficiently distant from said collimator to enable at least part of said collimator to move to change direction of aim with respect to said body while said contact base is in stable contact with a surface of said body.
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Abstract
A system of performing a volumetric scan. The system comprises a surface of positioning a patient in a space parallel thereto, a plurality of extendable detector arms each the detector arm having a detection unit having at least one radiation detector, and an actuator which moves the detection unit along a linear path, and a gantry which supports the plurality of extendable detector arms around the surface so that each the linear path of each respective the extendable detector arm being directed toward the space.
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Citations
24 Claims
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1. A radiation detection apparatus for detecting radiation emanating from a body, comprising
a detector arm which comprises: -
a) a radiation detector; b) a collimator; and c) a contact base positioned so as to be between said collimator and said body when said apparatus is used to detect radiation from said body, said contact base being sufficiently distant from said collimator to enable at least part of said collimator to move to change direction of aim with respect to said body while said contact base is in stable contact with a surface of said body. - View Dependent Claims (2, 3, 4, 5, 6, 7)
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8. A method of detecting radiation emanating from a body, comprising:
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a) using an automated arm positioning system to position a distal portion of a detector arm so that said distal portion is in contact with a surface of said body and so that a radiation detector comprised in said distal portion is held at a distance from said body surface; and b) using said automated arm positioning system to move said distal portion of said arm along said body surface while using said radiation detector to detect radiation from said body. - View Dependent Claims (9, 10, 11, 12, 13, 14, 15, 16, 17, 18)
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- 19. A method of volumetric scanning which comprises scanning a part of a patient'"'"'s body using a detector arm which comprises a plurality of radiation detectors each mounted with a collimator which defines the solid angle from which radioactive emission events may be detected by its associated detector, comprising alternating between low-resolution and high-resolution scanning by alternating between use of at least one detector associated with a relatively low resolution collimator and use of at least one detector associated with a relatively high resolution collimator.
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22. A method of volumetric scanning which comprises:
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a) scanning a part of a patient'"'"'s body using a detector arm which comprises a radiation detector and an x-ray source; b) using said radiation detector to detect gamma radiation; and c) using said radiation detector to detect reflected x-ray radiation originating from said x-ray source. - View Dependent Claims (23, 24)
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Specification