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Biologic impedance measurement system

A measurement system, bioimpedance technology, applied in diagnostic recording/measurement, medical science, sensors, etc., can solve the unfavorable promotion and application of bioimpedance measurement system, high power consumption, volume and cost, and reliable measurement of bioimpedance measurement system. Sex can not meet the clinical measurement and other problems

Active Publication Date: 2019-02-22
XIDIAN UNIV
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Problems solved by technology

[0004] However, the measurement accuracy and measurement reliability of the above-mentioned bio-impedance measurement system cannot meet the needs of clinical measurement, and its power consumption, volume and cost are relatively high, which is not conducive to the promotion and application of the bio-impedance measurement system

Method used

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  • Biologic impedance measurement system
  • Biologic impedance measurement system
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Embodiment Construction

[0041] The present invention will be described in further detail below in conjunction with specific examples, but the embodiments of the present invention are not limited thereto.

[0042] See figure 1 , figure 1 It is a schematic structural diagram of a bio-impedance measurement system provided by an embodiment of the present invention. The bio-impedance measurement system provided by the embodiment of the present invention, the bio-impedance measurement system includes:

[0043] The analog front-end module 1 is used to convert the sinusoidal digital code or the second excitation voltage signal into an excitation current signal, load the excitation current signal to the organism under test, and flow the excitation current signal through the under test The analog pressure drop signal generated by the organism is converted into a digital pressure drop signal;

[0044] A digital algorithm implementation module 2, configured to generate a sinusoidal digital code or a second exci...

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Abstract

The invention relates to a biologic impedance measurement system. The system comprises an analog front-end module, a digital algorithm implementation module and a data transmission control module, wherein the analog front-end module is used for converting a sinusoidal digital code or a second excitation voltage signal into an excitation current signal, loading the excitation current signal to a to-be-measured living body, and converting an analog voltage drop signal generated when the excitation current signal flows through the to-be-measured living body into a digital voltage drop signal; thedigital algorithm implementation module is used for generating the sinusoidal digital code or the second excitation voltage signal, and converting the digital voltage drop signal output by the analogfront-end module into the frequency and phase information corresponding to the digital voltage drop signal; the data transmission control module is used for transmitting the frequency and phase information, corresponding to the digital voltage drop signal, output by the digital algorithm implementation module to an upper computer. The biologic impedance measurement system in the embodiment can meet requirements for different measurement precisions, a user can select different measurement modes according to the actual measurement demands of the user, the most effective measurement result is obtained, moreover, the body compositions can be analyzed, and the human organ can be modeled.

Description

technical field [0001] The invention belongs to the technical field of biological impedance, and in particular relates to a biological impedance measurement system. Background technique [0002] Bioimpedance can reflect the body's water, fat, protein and other components to a certain extent, and can provide a scientific basis for weight loss and muscle training. It plays an important role in sports medicine, rehabilitation medicine and other fields. Nutritional status evaluation and related disease diagnosis have a very wide application space. The bio-impedance measurement system can detect the body composition and state by measuring the electrical parameters of the organism to be measured. [0003] At present, bio-impedance measurement systems can be divided into single-channel bio-impedance measurement systems and multi-channel bio-impedance measurement systems. The single-channel bio-impedance measurement system can realize the detection of human body composition, so as...

Claims

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Application Information

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IPC IPC(8): A61B5/053
CPCA61B5/053
Inventor 应思宇李栋朱樟明刘马良马瑞
Owner XIDIAN UNIV
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