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Electronic system and its signal processing method and single photon emission tomography device

An electronic system and single-photon emission technology, applied in the medical field, can solve problems such as large system scale, achieve the effect of high speed, flexible digital processing method, and take into account the acquisition accuracy and processing speed

Active Publication Date: 2018-12-04
BEIJING NOVEL MEDICAL EQUIP LTD
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  • Description
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  • Application Information

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Problems solved by technology

However, the electronic subsystem in the traditional single photon emission tomography system needs to use a large number of analog circuits to process the signals of multiple photomultiplier tubes, and the system scale is relatively large.

Method used

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  • Electronic system and its signal processing method and single photon emission tomography device
  • Electronic system and its signal processing method and single photon emission tomography device
  • Electronic system and its signal processing method and single photon emission tomography device

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Embodiment Construction

[0034] Embodiments of the present invention are described in detail below, examples of which are shown in the drawings, wherein the same or similar reference numerals designate the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the figures are exemplary and are intended to explain the present invention and should not be construed as limiting the present invention.

[0035] A signal processing method of an electronic system for single photon emission tomography, an electronic system, and a single photon emission tomography apparatus having the system according to embodiments of the present invention will be described below with reference to the accompanying drawings.

[0036] First of all, it needs to be explained that the signal to be processed by the electronic system for single photon emission tomography comes from the photomultiplier tube, and the electronic system is connected with the de...

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Abstract

The invention discloses a signal processing method of an electronic system for single photon emission computerized tomography imaging. A multi-channel, independent trigger and fully digital electronic scheme is adopted by the method. The signal processing method comprises a multi-channel independent and parallel analog acqusition scheme and a high-integration digital processing scheme. The method specifically comprises the following steps: amplifying and forming a weak signal; performing multi-channel parallel collection; performing digital preprocessing on an analog signal, performing analog-digital conversion, series-parallel conversion, mutually independent trigger signal generation, baseline and gain adjustment and digital processing and transmission. The system realizes a multi-channel analog signal, high-speed, high-quality parallel acqusition scheme. The signal processing method is characterized in that fully parallel processing is performed, the acqusition accuracy is high, the digital processing method is flexible, the speed is high, the configuration parameter is easy to adjust, the upgrading is easy and the like. The invention also discloses the electronic system for the single photon emission computerized tomography imaging and single photon emission computerized tomography imaging equipment.

Description

technical field [0001] The invention belongs to the field of medical technology, and in particular relates to an electronic system for single-photon emission tomography and a signal processing method thereof, as well as a single-photon emission tomography device with the electronic system. Background technique [0002] The purpose of single photon emission tomography equipment is to detect and reconstruct the distribution map of tracers in human organs. This distribution map can reflect the structure of human tissue and corresponding physiological activities. As time changes, this distribution map can also reflect Metabolism of human tissues and organs. The single photon emission tomography system is used in clinical diagnosis and differentiation of tumors, and is also widely used in the diagnosis of thyroid and cardiovascular activity. [0003] Single photon emission tomography system includes subsystems such as detector array, electronic system, mechanical system, reconst...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A61B6/03
Inventor 刘亚强鲍天威张弥李永亮陈思龚光华王石刘迈
Owner BEIJING NOVEL MEDICAL EQUIP LTD
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