Medical imaging system with electronic focused excitation and imaging method with same

Abstract

The invention discloses a medical imaging system with electronic focused excitation and an imaging method with same. The medical imaging system comprises a front-end detection unit, a signal transmission unit and a control and signal processing unit, wherein the conductivity front-end detection unit comprises a detection sink, a silver-plated copper electrode, a static magnetic field generating device and an ultrasonic linear array probe; the signal transmission unit is triggered by the control and signal processing unit to generate Chirp signals and is used for transmitting the Chirp signalsto an electronic line-array focusing control module and a voltage detection module so as to excite a probe to stimulate a detected sample; and the control and signal processing unit comprises a magnetosonic and electrical control and calculation module, an electronic line-array focusing control module and a voltage detection module. The medical imaging system has the advantages of being high in separation rate, fast in imaging speed and low in cost; the method disclosed by the invention has the potential to obtain high-resolution conductivity imaging of biological tissues on the basis of a conventional magnetoacoustic and electrical technology, and thus early diagnosis and treatment on biological tissues such as tumor and cancer can be achieved.

Description

Technical field [0001] The present invention belongs to the field of medical imaging technology, specifically a medical imaging system with electronic focus excitation and a method for imaging using the same. Background technique [0002] Due to the different electrical properties of biological tissues under different physiological and pathological conditions, the peripheral blood vessels are abundant during tumor growth, and the peripheral electrical resistivity will also change. The functional lesions of biological tissues are earlier than structural lesions, and functional recovery lags behind the structure. Therefore, it is expected to detect lesions by detecting changes in tissue conductivity and achieve the purpose of early diagnosis of lesions. Therefore, conductivity imaging research is of great significance to disease prevention and recovery. [0003] Since the current magnetoacoustic imaging methods are based on the reciprocity theorem, the magnetoacoustic inverse process...

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Problems solved by technology

[0004] The purpose of the present invention is to provide a medical imaging system with electronic focus excitation and a method for imaging using it, to solve the technical problems of slow imaging speed and high cost in the prior art; and to solve the problem that the prior art is too complicated and cannot achieve high resolution Problems with Conductivity Imaging

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