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Method and system for analyzing correlation between respiration impedance of left lung and right lung

A technology of correlation analysis and respiratory impedance, which is applied in the field of medical monitoring, can solve the problems of low image resolution, affecting the monitoring effect, and using too many electrodes, so as to achieve the effect of simple operation, convenient measurement process, and reduced discomfort

Active Publication Date: 2014-08-13
SUN YAT SEN UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, the image resolution of this monitoring technology is low, and more electrodes need to be used, which may cause discomfort to the patient, thus affecting the monitoring effect

Method used

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  • Method and system for analyzing correlation between respiration impedance of left lung and right lung
  • Method and system for analyzing correlation between respiration impedance of left lung and right lung
  • Method and system for analyzing correlation between respiration impedance of left lung and right lung

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Embodiment 1

[0070] Such as figure 1 As shown, it is a flowchart of a specific embodiment of a method for analyzing the correlation between left and right lung respiratory impedance in the present invention. The specific steps of a method for analyzing the correlation between left and right lung respiratory impedance in this specific embodiment include:

[0071] A method for analyzing the correlation between left and right lung respiratory impedance, comprising:

[0072] Step S101: collecting electrical impedance signals of the subject's left chest and right chest;

[0073] Step S102: Perform analog-to-digital conversion on the collected electrical impedance signal to obtain electrical impedance digital signals of the left chest and the right chest;

[0074] Step S103: extracting reference feature values ​​from the electrical impedance digital signals of the left chest and the right chest;

[0075] Step S104: Analyze the correlation between the left and right lung respiratory impedance o...

Embodiment 2

[0101] According to the left and right lung respiratory impedance correlation analysis method in Embodiment 1, the present invention also provides a left and right lung respiratory impedance correlation analysis system. The specific example of the left and right lung respiratory impedance correlation analysis system of the present invention will be described in detail below.

[0102] Such as image 3 As shown, it is a structure diagram of a left and right lung respiratory impedance correlation analysis system in this specific embodiment 2, which specifically includes:

[0103] An electrical impedance signal acquisition module 201, configured to acquire electrical impedance signals of the subject's left chest and right chest;

[0104] An analog-to-digital conversion module 202, configured to perform analog-to-digital conversion on the collected electrical impedance signal to obtain electrical impedance digital signals of the left chest and the right chest;

[0105] A reference...

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Abstract

The invention relates to the field of medical treatment monitoring, in particular to a method and a system for analyzing correlation between respiration impedance of the left lung and the right lung. The method includes: collecting electrical impedance signals of the left chest part and the right chest part of a testee; subjecting the collected electrical impedance signals to analog-digital conversion to obtain digital signals of electrical impedance of the left chest part and the right chest part; extracting referential characteristic values from the signals of the electrical impedance of the left chest part and the right chest part; analyzing the correlation between the respiration impedance of the left lung and the right lung of the testee. The method and the system have the advantages that the referential characteristic values are extracted according to the signals of the electrical impedance of the left chest part and the right chest part, the correlation between the respiration impedance of the left lung and the right lung of the testee is analyzed according to the referential characteristic values, operation is simple, measured data can be accurately collected quantitatively, good anti-interference effect of the collected signals is achieved, the correlation of the electrical impedance of the left lung and the right lung can be quickly and accurately analyzed, and respiration synchrony of the left lung and the right lung of the testee can be quickly and accurately evaluated.

Description

technical field [0001] The present invention relates to the field of medical monitoring, in particular to a method and system for analyzing the correlation between left and right lung respiratory impedance. Background technique [0002] Assessing the coordination of the left and right lungs can realize the monitoring of breathing during assisted surgery and postoperative rehabilitation. At present, spirometers, ventilators and pneumotachometers are commonly used in clinical practice to directly measure respiration, but these measurement methods often require the cooperation of patients and the operation of professionals, and the respiratory coordination of the left and right lungs cannot be known. Arterial blood gas analysis, recording of airway pressure-volume curves for lung mechanics, and pulmonary plethysmography are all used to track ventilation distribution and guide adjustment of ventilator parameters. However, these techniques only reflect the overall lung function,...

Claims

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Application Information

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IPC IPC(8): A61B5/085
Inventor 蒋庆周广敏刘官正王瑛
Owner SUN YAT SEN UNIV
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