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A distributed high voltage power supply architecture for a PET system

A high-voltage power supply and distributed technology, which is applied in the field of medical imaging, can solve the problems of energy concentration, high heat dissipation requirements, inability to achieve optimal state imaging, and failure to obtain high-voltage values, so as to achieve good quality of high-voltage power supply and avoid high local heat , power consumption and cost reduction effect

Inactive Publication Date: 2019-01-15
JIANGSU SINOGRAM MEDICAL TECH CO LTD
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AI Technical Summary

Problems solved by technology

This single high-power high-voltage power supply method has high system power consumption, high cost, low safety, high energy concentration for heat dissipation, high-voltage crosstalk between modules, long high-voltage line paths, and unstable line losses, so that accurate information cannot be obtained. High pressure values, unable to achieve optimal imaging

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  • A distributed high voltage power supply architecture for a PET system
  • A distributed high voltage power supply architecture for a PET system
  • A distributed high voltage power supply architecture for a PET system

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Embodiment Construction

[0045] In order to better explain the present invention and facilitate understanding, the present invention will be described in detail below through specific embodiments.

[0046] like figure 1 As shown, the present invention provides a structure for a distributed high-voltage power supply architecture of a PET system, including:

[0047] More than two high-voltage components 2 located in the PET system, and a low-voltage power supply module 3 and a central control panel 5 located outside the PET system connected to each high-voltage component 2 .

[0048] Each high-voltage assembly 2 is connected to some detector modules 7 in the PET system;

[0049] The low-voltage power supply module 3 provides low-voltage power supply support for the high-voltage components 2, and each high-voltage component 2 converts the voltage provided by the low-voltage power supply module 3 into the voltage required by the detector module 7 according to the control instructions of the central contr...

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Abstract

The invention relates to a distributed high-voltage power supply architecture for a PET system, comprising: more than two high-voltage components located in the PET system, each high-voltage componentis connected to a part of a detector module in the PET system; a low-voltage power supply module and a central control board are connected with each high-voltage component, and each high-voltage component converts the voltage supplied by the low-voltage power supply module into the high-voltage required by the detector module according to the control instruction of the central control board. Thelow-voltage power supply module and the central control board are connected with each high-voltage component. The invention has the advantages of low power consumption, low high-voltage output noise,high system integration and safety, accurate differential control and dynamic adjustment of high-voltage parameters, and simple system maintenance.

Description

technical field [0001] The invention relates to the field of medical imaging, in particular to a distributed high-voltage power supply architecture for a PET system. Background technique [0002] Positron Emission Tomography (Positron Emission Tomography) is an imaging examination, auxiliary cancer tumor diagnosis and curative effect evaluation technology. functional imaging. A single detector requires a kilovolt-level power supply voltage, and the entire PET system contains hundreds of detectors, which form a modular ring structure; each detector module has different gains, and the demand for high voltage is also different; the high-voltage power supply The quality of the power supply directly determines the quality of the image. [0003] At present, the existing PET system high-voltage power supply structure adopts a centralized, single high-power high-voltage power supply to provide cascaded high-voltage power supply to the system, and uses the method of series resistan...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61B6/03H02M1/00
CPCH02M1/00A61B6/037
Inventor 熊健王毅张海彬
Owner JIANGSU SINOGRAM MEDICAL TECH CO LTD
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