Annular multi-channel electrical particle imaging signal detecting device
A signal detection and particle imaging technology, applied in diagnostic recording/measurement, medical science, sensors, etc., can solve problems such as low imaging accuracy and insufficient inversion data, and overcome low image resolution, increase the number of measurement signals, Effect of Improving Imaging Accuracy
Active Publication Date: 2019-05-21
INST OF ELECTRICAL ENG CHINESE ACAD OF SCI
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[0004] The purpose of the present invention is to overcome the shortcomings of insufficient inversion data and low imaging accuracy of the existing electrical nanoparticle imaging signal detection device, and propose a ring-shaped multi-channel electrical nanoparticle imaging signal detection device
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[0032] The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments.
[0033] Such as figure 1 As shown, the annular multi-channel electrical nanoparticle imaging signal detection device of the present invention includes: a sensor system, a signal control and data acquisition system 4 and an electrical particle imaging system 6 . The sensor system and the signal control and data acquisition system 4 carry out two-way communication through the data line, the signal control and data acquisition system 4 provides an excitation signal for the ring electrode array 2 of the sensor system, controls the measurement mode of the ring electrode array 2, and Receive the measurement signal from the sensor system. The signal control and data acquisition system 4 is powered by a power supply module 5 . The output end of the signal control and data acquisition system 4 is connected to the electrical particle imaging system 6 th...
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The invention provides an annular multi-channel electrical particle imaging signal detecting device. The device comprises a sensor system, a signal control and data acquisition system (4) and an electrical particle imaging system (6), wherein an output end of the sensor system is connected to the signal control and data acquisition system (4), and an output of the signal control and data acquisition system (4) is connected to the electrical particle imaging system (6); an annular electrode array (2) of the sensor system is arranged in a measurement chamber (1); every two electrode sheets, arranged in a ring, of the annular electrode array (2) are insulated, and the electrode sheets and the measurement chamber (1) are insulated; space defined by the annular electrode array (2) is measurement space of the sensor system, and a measured objected is placed in the measurement space and is not in contact with the annular electrode array (2). The detecting device obtains a dielectric coefficient tomography imaging image of a three-dimensional study object by integrating dielectric coefficient information of different sections of the measured object based on the principle of electrical particle imaging.
Description
technical field [0001] The invention relates to a nanometer medical imaging signal detection device, in particular to an annular multi-channel electrical particle imaging signal detection device. Background technique [0002] Nanotechnology is one of the key technologies of the 21st century. It can be foreseen that the development of nanotechnology and nanomaterials will bring a profound revolution to modern medicine, making diagnosis, detection and clinical medicine to miniature, microcosmic, trace, minimally invasive or noninvasive, as well as dynamic and intelligent. direction development. Nanomaterials can achieve passive targeting by virtue of the EPR effect, pH response, and reduction sensitivity of tumor cells, while active targeting can be achieved according to the electromagnetic properties of nanomaterials or by coupling some tumor-specific molecules on their surface. Compared with passive targeting, active targeting is more pertinent and more conducive to in vit...
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IPC IPC(8): A61B5/05
Inventor 刘婧刘国强
Owner INST OF ELECTRICAL ENG CHINESE ACAD OF SCI