Method and device for hepatopathy nutrition state detection

A nutritional state, detection device technology, applied in the fields of application, diagnostic recording/measurement, medical science, etc., can solve the problem of no impedance measurement method and disease evaluation method, and achieve the effect of reducing errors and easy matching

Active Publication Date: 2013-08-07
INST OF ELECTRICAL ENG CHINESE ACAD OF SCI +1
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Problems solved by technology

Currently there is no impedance measurement method and disea

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  • Method and device for hepatopathy nutrition state detection
  • Method and device for hepatopathy nutrition state detection
  • Method and device for hepatopathy nutrition state detection

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[0016] The present invention will be further described below in conjunction with the drawings and specific embodiments.

[0017] figure 1 Shown is the principle diagram of the device for detecting the nutritional status of liver diseases according to the present invention. Such as figure 1 As shown, the liver disease nutritional status detection system of the present invention includes 8 current injection electrodes, 8 voltage measurement electrodes, two multiplexers 9, 10, a current generating device 11, a voltage amplifier 12, a demodulator 13, and an industrial computer 17. The industrial computer 17 includes a multiplex switch control module 14, a synthetic impedance analysis module 15 and a biological impedance vector drawing tool 16. The current generating device 11 generates a sinusoidal current with a frequency of 1 kHz to 1 MHz. In the present invention, the first multiplexer 9 selects current injection electrodes at different positions to inject current into the human ...

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Abstract

The invention discloses a method and a device for hepatopathy nutrition state detection. The method includes: obtaining phase angles and modulus of impedances in three directions of the trunk portion of a human body by measuring three-dimensional impedances of the human body, overlaying the three-dimensional impedance information to obtain the modulus and the phase angles of the combined impedances, drawing a biological impedance vector diagram, and evaluating the hepatopathy nutrition state according to the position of the measured impedance vector. In the device using the detection method, a current generation device (11) chooses current injection electrodes at different positions through a multi-path switch (9) to inject current into the human body (19), the multi-path switch (10) can be utilized to choose corresponding voltage measuring electrodes, and the voltage among the measuring electrodes can be transmitted to an industrial personal computer (17) through a voltage amplifier (12) and a demodulator (13). The industrial personal computer confirms the impedance components in the directions of human body coronal axes, sagittal axes and vertical axes according to the position information of the current injection electrodes and the voltage measuring electrodes, combines the impedances and analyzes the liver nutrition state.

Description

Technical field [0001] The invention relates to a method and a device for detecting the nutritional status of liver diseases, in particular to a method and a measuring device for detecting the nutritional status of liver diseases by adopting three-dimensional bioimpedance synthesis technology. Background technique [0002] The liver is the human body’s “chemical factory”. The production of nutrients comes from the liver. Changes in liver function affect the synthesis and metabolism of nutrients in the body. At the same time, patients with liver disease may have gastrointestinal mucosal lesions, and the gallbladder discharges bile salts into the small intestine. Symptoms such as decreased intestinal autonomic nervous regulation and decreased peristaltic function have resulted in significantly weakened intestinal digestion and absorption, and the absorption of nutrients has been severely affected. Therefore, the incidence of clinical malnutrition in patients with liver disease is r...

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Application Information

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IPC IPC(8): A61B5/053
Inventor 张广浩吴昌哲段钟平霍小林
Owner INST OF ELECTRICAL ENG CHINESE ACAD OF SCI
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