A circular multi-channel electrical particle imaging signal detection device
A signal detection and particle imaging technology, applied in diagnostic recording/measurement, medical science, diagnosis, etc., can solve the problems of low imaging accuracy, insufficient inversion data, etc., to overcome low image resolution, increase the number of measurement signals, The effect of improving imaging accuracy
Active Publication Date: 2022-06-28
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 with reference to the accompanying drawings and specific embodiments.
[0033] like figure 1 As shown, the annular multi-channel electrical nanoparticle imaging signal detection device according to 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, and the signal control and data acquisition system 4 provides excitation signals for the annular electrode array 2 of the sensor system, controls the measurement mode of the annular electrode array 2, and The measurement signal of the sensor system is received. The signal control and data acquisition system 4 is powered by the power supply module 5 . The output end of the signal control and data acquisition system 4 is connected to the electrical particle im...
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An annular multi-channel electrical particle imaging signal detection device, comprising a sensor system, a signal control and data acquisition system (4) and an electrical particle imaging system (6). The output end of the sensor system is connected to the signal control and data acquisition system (4), and the output end of the signal control and data acquisition system (4) is connected to the electrical particle imaging system (6). The ring electrode array (2) of the sensor system is placed in the measurement chamber (1). The annular electrode array (2) is insulated between two electrode sheets arranged in a ring, and between the electrode sheets and the measuring chamber (1). The space surrounded by the ring electrode array (2) is the measurement space of the sensor system, and the measurement object is placed in the measurement space without contact with the ring electrode array (2). The detection device is based on the principle of electrical particle imaging, and obtains a tomographic imaging image of the dielectric coefficient of the three-dimensional research object by integrating the dielectric coefficient information of different sections of the measurement object.
Description
technical field [0001] The invention relates to a nanometer medical imaging signal detection device, in particular to an annular multi-channel electric particle imaging signal detection device. Background technique [0002] Nanotechnology is one of the key technologies of the 21st century. It is foreseeable that the development of nanotechnology and nanomaterials will bring a profound revolution to modern medicine, making diagnosis, detection and clinical medicine to micro, micro, micro, minimally invasive or non-invasive, 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 surfaces. Compared with passive targeting, active targeting is more targeted and more conducive to in vitro regulatio...
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IPC IPC(8): A61B5/0515
Inventor 刘婧刘国强
Owner INST OF ELECTRICAL ENG CHINESE ACAD OF SCI