Magnetic particle imaging detection system and method and electronic equipment

Abstract

The invention belongs to the technical field of medical imaging detection, particularly relates to a three-dimensional magnetic particle imaging detection system and method and electronic equipment, and aims to solve the problems that a magnetic particle imaging detection device is closed in structure, large in size and poor in flexibility. The system comprises a permanent magnet assembly, a driving coil assembly, a receiving coil, a motor turntable and a processing circuit; the permanent magnet assembly is used for generating non-magnetic field lines in a detection space; the driving coil assembly is used for generating an oscillating magnetic field perpendicular to the non-magnetic-field lines. the receiving coil is used for receiving a magnetic response signal generated by the magnetic nanoparticles in the detection space; the motor turntable can rotate under the driving of the power device; the processing circuit comprises a band elimination filter circuit, an amplifier and an A / D module; the band elimination filter circuit is used for attenuating a fundamental frequency signal in the detection signal; the amplifier is used for carrying out low-noise amplification on the detection signal; and the A / D module is used for sampling the signal and converting the signal into a digital quantity. According to the magnetic particle imaging detection system structure is compact, the size is small, and open type detection can be achieved.

Description

technical field [0001] The invention belongs to the technical field of medical imaging detection, and in particular relates to a three-dimensional magnetic particle imaging detection system, method and electronic equipment. Background technique [0002] Medical imaging technology can accurately and intuitively present the internal information of the human body, thereby achieving better diagnosis and treatment. Current medical imaging techniques mainly include two categories: natural imaging and tracer imaging. Among them, in the tracer imaging method, the tracer can participate in the metabolism of tissue cells, and has been widely used in the field of cancer cell and functional imaging in recent years. Magnetic Particle Imaging (MPI) is a new type of tracer imaging technology, which utilizes the nonlinear magnetization characteristics of magnetic nanoparticle tracers in zero magnetic field to visualize the tracer concentration in the object to detect The spatial distribut...

AI Technical Summary

Problems solved by technology

[0004] In order to solve the above problems, that is, to solve the problems of closed structure, large volume and poor flexibility of the magnetic particle imaging detection device, the present invention provides a three-dimensional magnetic particle imaging detection system, method and electronic equipment

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