Combined imaging detector module, preparation method thereof and imaging equipment
An imaging detector and combined technology, applied in the direction of instruments, measuring devices, scientific instruments, etc., can solve the problems of complex structure of imaging equipment and high production cost, and achieve the effect of avoiding complex mechanical structure
Pending Publication Date: 2022-03-25
SHENYANG INTELLIGENT NEUCLEAR MEDICAL TECH CO LTD
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[0004] In view of this, the present application provides a combined imaging detector module and its preparation method and imaging equipment, the main purpose of which is to solve the technical problems of complex structure and high manufacturing cost of imaging equipment for detecting rays of various energies
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preparation example Construction
[0052] In one embodiment, such as Figure 7 As shown, a method for preparing a combined imaging detector module is provided, which includes the following steps:
[0053] 101. Select scintillation crystal arrays with multiple crystal pixel sizes, wherein the peripheral dimensions of each scintillation crystal array are the same.
[0054] 102. Superimpose multiple scintillation crystal arrays in order of crystal pixel size from small to large, and couple the multiple scintillation crystal arrays through optical glue to form a multi-layer scintillation crystal array.
[0055] 103. Coupling a group of photodetector arrays at both ends of the multilayer scintillation crystal array, and applying a reflective layer on the outermost layer of the multilayer scintillation crystal array to form a combined imaging detector module.
[0056] In this embodiment, the scintillation crystal arrays of each layer of the combined imaging detector module are coupled through optical glue, wherein t...
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The invention discloses a combined imaging detector module, a preparation method thereof and imaging equipment, and the combined imaging detector module comprises a plurality of layers of scintillation crystal arrays with the same peripheral size, a first photoelectric detector array and a second photoelectric detector array, the crystal pixel size of each layer of scintillation crystal array is increased layer by layer along the ray incidence direction, the number of crystal pixels of each layer of scintillation crystal array is an integral multiple of the number of crystal pixels of the scintillation crystal array at the ray emergence end, and the first photoelectric detector array is coupled to the scintillation crystal array at the ray incidence end; the second photoelectric detector array is coupled to the scintillation crystal array at the ray emitting end, and a reflecting layer is applied to the outermost layer of the multi-layer scintillation crystal array; the first photoelectric detector array is used for detecting low-energy rays, and the first photoelectric detector array and the second photoelectric detector array are used for detecting high-energy rays. The combined imaging detector module can detect high-energy rays and low-energy rays at the same time.
Description
technical field [0001] The invention relates to the technical field of electronic imaging, in particular to a combined imaging detector module, a preparation method of the combined imaging detector module and imaging equipment. Background technique [0002] Currently, single photon emission computed tomography (SPECT), positron emission tomography (PET) and computed tomography (CT) are commonly used techniques for imaging the human body or parts thereof. Among them, the fusion imaging of PET equipment and CT equipment has become one of the main basis for doctors to diagnose diseases. The imaging characteristics of the disease can be observed to observe the development process of the disease. [0003] However, different types of imaging equipment can only detect rays of different energies (including high-energy rays and low-energy rays). Therefore, the three types of imaging equipment need to use different detectors, racks, electronic readout devices, and data acquisition de...
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IPC IPC(8): G01T1/20G01T1/202G01T1/208
CPCG01T1/2018G01T1/202G01T1/2008G01T1/208
Inventor 李新颖梁国栋赵健蒋毅
Owner SHENYANG INTELLIGENT NEUCLEAR MEDICAL TECH CO LTD