Support unit, support device, and emission tomography device using support device
First Claim
1. A support unit for an emission tomography device, characterized in that it comprises:
- a support body, provided with an accommodation space running through the support body therein, wherein the support body comprises a plurality of support positions that are distributed along a circumferential direction of the accommodation space;
a plurality of fastening means, connected to at least a portion of the plurality of support positions, for fixing detectors of the emission tomography device, wherein at least a portion of the plurality of fastening means are movable between contraction positions and extension positions along radial directions of the accommodation space,wherein the fastening means are used for forming a first detector fastening ring with a first diameter when at the contraction positions and forming a second detector fastening ring with a second diameter which is smaller than the first diameter when at the extension positions,wherein the plurality of support positions are configured that when a predetermined number of the support units are arranged side by side along the axial direction of the accommodation space, support positions on different support units are staggered and arranged alternately along the circumferential direction, in order for the fastening means on the predetermined number of the support units to form the first detector fastening ring alternately.
1 Assignment
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Accused Products
Abstract
A support unit (200), a support device (100) and an emission tomography device using the support device (100) are provided. The support unit (200) comprises: a support body (210), in which an accommodation space (220) that penetrates through the support body is provided, comprising multiple support positions (230A, 230B) that are distributed along a circumferential direction of the accommodation space (220); and multiple fastening means (240A, 240B), connected to at least some of the multiple support positions. At least some of the multiple fastening means (240A, 240B) can move between a contraction position and an extension position along a radial direction of the accommodation space (220). The fastening means (240A, 240B) are used to fasten detectors of the emission tomography device. When the fastening means (240A, 240B) are located at the contraction position, a first detector fastening ring of a first diameter is formed, and when the fastening means (240A, 240B) are located at the extension position, a second detector fastening ring of a second diameter that is smaller than the first diameter is formed. The emission tomography device using the support unit (200) can adjust at least a radial length of a detection chamber, so that a relatively large three-dimensional space angle can be obtained, thereby improving detection sensitivity.
7 Citations
19 Claims
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1. A support unit for an emission tomography device, characterized in that it comprises:
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a support body, provided with an accommodation space running through the support body therein, wherein the support body comprises a plurality of support positions that are distributed along a circumferential direction of the accommodation space; a plurality of fastening means, connected to at least a portion of the plurality of support positions, for fixing detectors of the emission tomography device, wherein at least a portion of the plurality of fastening means are movable between contraction positions and extension positions along radial directions of the accommodation space, wherein the fastening means are used for forming a first detector fastening ring with a first diameter when at the contraction positions and forming a second detector fastening ring with a second diameter which is smaller than the first diameter when at the extension positions, wherein the plurality of support positions are configured that when a predetermined number of the support units are arranged side by side along the axial direction of the accommodation space, support positions on different support units are staggered and arranged alternately along the circumferential direction, in order for the fastening means on the predetermined number of the support units to form the first detector fastening ring alternately. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8)
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9. A support device for an emission tomography device, characterized in that it comprises:
a plurality of support units, wherein the plurality of support units are arranged side by side along the axial direction of the accommodation space, and the accommodation space forms an accommodation chamber for accommodating detectors and a detected object, each of the plurality of support units comprising; a support body, provided with an accommodation space running through the support body therein, wherein the support body comprises a plurality of support positions that are distributed along a circumferential direction of the accommodation space; a plurality of fastening means, connected to at least a portion of the plurality of support positions, for fixing detectors of the emission tomography device, wherein at least a portion of the plurality of fastening means are movable between contraction positions and extension positions along radial directions of the accommodation space, wherein the fastening means are used for forming a first detector fastening ring with a first diameter when at the contraction positions and forming a second detector fastening ring with a second diameter which is smaller than the first diameter when at the extension positions, wherein the plurality of support positions are configured that when a predetermined number of the support units are arranged side by side along the axial direction of the accommodation space, support positions on different support units are staggered and arranged alternately along the circumferential direction, in order for the fastening means on the predetermined number of the support units to form the first detector fastening ring alternately. - View Dependent Claims (10, 11, 12, 13, 14, 15, 16, 17, 18)
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19. An emission tomography device, characterized in that it comprises:
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a support device, comprising a plurality of support units, wherein the plurality of support units are arranged side by side along the axial direction of the accommodation space, and the accommodation space forms an accommodation chamber for accommodating detectors and a detected object; and a detector, fixed to the fastening means within the accommodation chamber, wherein each of the plurality of support units comprises; a support body, provided with an accommodation space running through the support body therein, wherein the support body comprises a plurality of support positions that are distributed along a circumferential direction of the accommodation space; a plurality of fastening means, connected to at least a portion of the plurality of support positions, for fixing detectors of the emission tomography device, wherein at least a portion of the plurality of fastening means are movable between contraction positions and extension positions along radial directions of the accommodation space, wherein the fastening means are used for forming a first detector fastening ring with a first diameter when at the contraction positions and forming a second detector fastening ring with a second diameter which is smaller than the first diameter when at the extension positions, wherein the plurality of support positions are configured that when a predetermined number of the support units are arranged side by side along the axial direction of the accommodation space, support positions on different support units are staggered and arranged alternately along the circumferential direction, in order for the fastening means on the predetermined number of the support units to form the first detector fastening ring alternately.
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Specification