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CZT semiconductor activity meter and activity measuring device

A kind of activity meter and semiconductor technology, applied in the field of medical equipment, can solve the problem that the signal is susceptible to external interference, etc., and achieve the effect of small size, convenient operation and convenient portability

Active Publication Date: 2019-04-23
SHANXI MEDICAL UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] Although CZT is an ideal detection material for activity meters, due to the growth and preparation technology of CZT materials, and the signals generated by X / γ in CZT detectors are very weak and easily affected by external interference and other factors, making In the prior art, there is no device using CZT crystals to detect the activity of radiopharmaceuticals

Method used

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  • CZT semiconductor activity meter and activity measuring device
  • CZT semiconductor activity meter and activity measuring device
  • CZT semiconductor activity meter and activity measuring device

Examples

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Comparison scheme
Effect test

no. 1 example

[0060] see figure 1 , the present embodiment provides a CZT semiconductor activity meter 100 for detecting the activity of radiopharmaceuticals, the CZT semiconductor activity meter 100 includes a housing 110, a CZT probe 130, a packaging substrate 150 and a processing module 170, CZT The probe head 130 is arranged at one end of the housing 110, the packaging substrate 150 is arranged in the middle of the housing 110 and abuts against the inner wall of the housing 110, the CZT probe 130 is connected to one side of the packaging substrate 150, and the other side of the packaging substrate 150 The side and the inner wall of the casing 110 jointly form a package inner cavity, and the processing module 170 is accommodated in the package inner cavity and connected to the package substrate 150 .

[0061] The processing module 170 includes a charge-sensitive amplifier 171, a back-end processing unit 173 and a comparison unit. The charge-sensitive amplifier 171 is coupled to one end o...

no. 2 example

[0085] This embodiment provides a CZT semiconductor activity meter 100, its basic structure and principle and the technical effects produced are the same as those of the first embodiment. For a brief description, the part not mentioned in this embodiment can refer to the first embodiment corresponding content in the example. Compared with the first embodiment, the difference of this embodiment lies in the CZT probe 130 .

[0086] see Figure 5 , the CZT semiconductor activity meter 100 provided in this embodiment is used to detect the activity of radiopharmaceuticals. The CZT semiconductor activity meter 100 includes a housing 110, a CZT probe 130, a packaging substrate 150 and a processing module 170. The CZT probe 130 Set at one end of the housing 110, the packaging substrate 150 is set in the middle of the housing 110 and abuts against the inner wall of the housing 110, the CZT probe 130 is connected to one side of the packaging substrate 150, and the other side of the pac...

no. 3 example

[0093] see Image 6 , this embodiment provides a CZT semiconductor activity meter 100, its basic structure and principle and the technical effect produced are the same as those of the first embodiment, for a brief description, for the part not mentioned in this embodiment, you can refer to the first Corresponding content in the embodiment. Compared with the first embodiment, the difference of this embodiment lies in the housing 110 .

[0094] The CZT semiconductor activity meter 100 provided in this embodiment is used to detect the activity of radiopharmaceuticals. The CZT semiconductor activity meter 100 includes a housing 110, a CZT probe 130, a packaging substrate 150 and a processing module 170. The CZT probe 130 is set At one end of the housing 110, the packaging substrate 150 is arranged in the middle of the housing 110 and abuts against the inner wall of the housing 110, the CZT probe 130 is connected to one side of the packaging substrate 150, and the other side of the ...

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Abstract

The invention provides a CZT semiconductor activity meter and an activity measuring device, and relates to the field of medical instruments. The CZT semiconductor activity meter comprises a shell, a CZT detection head, a package substrate and a processing module, wherein the CZT detection head is arranged at one end of the shell; the package substrate is arranged on the middle part of the shell, and is pressed against the inner wall of the shell; the CZT detection head is connected with one side of the package substrate; a package inner cavity is formed by the other side of the package substrate and the inner wall of the shell; the processing module is accommodated in the package inner cavity, and is connected with the package substrate. Compared with the prior art, the CZT semiconductor activity meter provided by the invention has the advantages of small size, convenience in operation and no need of manual control in detection, and can be used at room temperature.

Description

technical field [0001] The invention relates to the field of medical equipment, in particular to a CZT semiconductor activity meter and an activity measuring device. Background technique [0002] With the development of nuclear technology and the continuous improvement of the domestic medical level, nuclear medicine, as an emerging discipline that uses nuclear technology to diagnose, treat and study diseases, has been widely used, and almost all functional examinations of tissues, organs or systems are performed. applicable. Nuclear medicine, developed with the development of radioisotopes and the application of nuclear technology in the biological field, has become an important part of modern medicine. [0003] Among them, the radionuclide activity meter is an indispensable and important instrument for the nuclear medicine department of the hospital to measure the activity of radiopharmaceuticals used by subjects or patients. However, most of the current activity meters i...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01T1/24
CPCG01T1/242G01T1/24
Inventor 李思进刘海燕查钢强
Owner SHANXI MEDICAL UNIV