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Heart and brain coupled system for synchronously collecting ECG signals and EEG signals

An EEG signal and synchronous acquisition technology, applied in medical science, sensors, diagnostic recording/measurement, etc., can solve the problems of time, high cost, impact, mental health, easy neglect and missed detection, so as to reduce time and improve The effect of testing efficiency

Inactive Publication Date: 2014-01-15
TIANJIN YUDI INTELLIGENT TECH
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] In addition, the current equipment and technology for physical and mental health examinations can only check the body, or can only check the psychology, because these checks need to be completed by different majors and departments, and it is difficult to perform the check at the same time, and the time and cost are high; and there are many people. Potential psychological problems and the physical health phenomena affected by these problems, or potential physical problems affecting mental health phenomena are easily overlooked and missed

Method used

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  • Heart and brain coupled system for synchronously collecting ECG signals and EEG signals
  • Heart and brain coupled system for synchronously collecting ECG signals and EEG signals
  • Heart and brain coupled system for synchronously collecting ECG signals and EEG signals

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Embodiment Construction

[0021] The specific implementation, structure, features and effects provided by the present invention will be described in detail below in conjunction with the accompanying drawings and preferred embodiments.

[0022] 1. Heart and EEG signal integrated acquisition circuit

[0023] Such as figure 1 As shown, it is designed for the pre-amplification circuit (the EEG signal is 10 times weaker than the ECG signal, and the circuit design is the same)

[0024] Due to the characteristics of the human body's ECG signal and the strong background noise, the impedance between the electrode and the skin is large and the range of variation is large when collecting signals, which puts higher requirements on the pre-stage (first-stage) amplifier circuit. , that is to say, the pre-amplifier circuit should meet the following requirements:

[0025] High input impedance; high common mode rejection ratio; low noise, low drift, small nonlinearity; suitable frequency band and dynamic range.

[0...

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Abstract

The invention discloses a heart and brain system which comprises an ECG signal and EEG signal synchronous and integrated collecting circuit and a heart and brain coupling unit. The ECG signal and EEG signal synchronous and integrated collecting circuit comprises a primary amplifying circuit, a secondary amplifying circuit, a high-pass filter and a compensating circuit. According to the heart and brain coupling unit, a mathematical model is established for collected signals, and the EEG signals are reprocessed. A method for collecting ECG signals and EEG signals is established according to international standards, an ECG signal and EEG signal synchronous collecting device is formed through corresponding leading connection and electrode design circuits, ECG signal and EEG signal extraction is established according to Fourier transformation. Compared with the prior art, an ECG signal and EEG signal synchronous sampling device based on the heart and brain coupling technology provides a simple, comprehensive and feasible means and method for physical and mental health screening, and meanwhile, the device improves the testing efficiency and reduces time and cost.

Description

technical field [0001] The invention relates to an electrocardiographic signal processing technology, in particular to a circuit for realizing synchronous acquisition of electrocardiographic signals and electroencephalogram signals. Background technique [0002] In modern medicine, the acquisition of new electrical signals and EEG signals is very important. In the prior art, there are existing designs of ECG signal acquisition circuits and EEG signal acquisition circuits. If the integrated design of heart and EEG signals can be collected at the same time, it can be It makes the structure of relevant health checks and medical equipment simpler, and the heart and EEG signals collected at the same time are used as a reference, which is also very important for subsequent signal analysis. Compared with circuit design technology, it has new significance in heart and EEG signal data analysis. [0003] In addition, the current equipment and technology for physical and mental health...

Claims

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Application Information

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IPC IPC(8): A61B5/0428A61B5/0402A61B5/0476A61B5/308
Inventor 杨俊丽王元全李国翚
Owner TIANJIN YUDI INTELLIGENT TECH
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