Multifunctional acquisition module for NMRI system

Abstract

The invention relates to a multifunctional acquisition module for an NMRI system. The multifunctional acquisition module can improve NMRI quality, monitor magnet temperature in real time and stabilize system working frequency. The multifunctional acquisition module integrates functions, such as respiration / ECG-gating, magnet temperature acquisition and automatic tuning, required by the NMRI system to a micro-processing system composed of an analog micro-controller and a CPLD, is integrated to the interior of a spectrometer of the NMRI system through a backplane bus and is in network communication with a computer through the spectrometer. Compared with an existing discrete device for achieving the functions, the multifunctional acquisition module greatly improves the integration level of the system, so that hardware resources are saved, maintenance and operation are facilitated, software and hardware are convenient to update, and meanwhile the multifunctional acquisition module can be conveniently in communication with the upper computer.

Description

technical field [0001] The present invention relates to a multi-functional acquisition module for a nuclear magnetic resonance imaging system, in particular to a multi-functional acquisition module integrated into a nuclear magnetic resonance imaging system spectrometer. / ECG gating, magnet temperature acquisition and automatic tuning functions are integrated into the same micro-processing system, which improves the integration of the system while improving the quality of nuclear magnetic resonance imaging, real-time monitoring of magnet temperature and stable system operating frequency, and facilitates operation , maintenance and software and hardware upgrades. technical background [0002] The multifunctional acquisition module used in the nuclear magnetic resonance imaging system involved in the present invention mainly integrates three parts: respiratory / cardiac gating, magnet temperature acquisition and automatic tuning circuit, which are important in improving the qua...

AI Technical Summary

Problems solved by technology

[0007] At present, in the MRI system, the respiratory / ECG gating, magnet temperature acquisition and automatic tuning functions are all realized by discrete devices. The communication between each discrete device and the computer is carried out through the serial port. The biggest drawback That is: the computer serial port resources are often not enough, and it is easy to burn out; these discrete devices are cumbersome to use and have poor stability, and the upgrade of the device's software and hardware is also troublesome

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