18 guides synchronous electro-cardio information detection method and apparatus

An electrical information and electrocardiographic signal technology, applied in electrical digital data processing, diagnostic recording/measurement, medical science, etc., can solve the problems of unreported methods and devices for synchronous electrocardiographic information detection, etc.

Inactive Publication Date: 2004-11-17
NANJING UNIV
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Problems solved by technology

Heart rate variability CN95240462 and high-frequency electrocardiograph CN91206324 applied by the applicant are all repre

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  • 18 guides synchronous electro-cardio information detection method and apparatus
  • 18 guides synchronous electro-cardio information detection method and apparatus

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Embodiment Construction

[0016] As shown in the figure, a single-channel amplifier circuit such as figure 2 shown. Integrated measurement amplifier U3 (AD620) provides the main voltage gain (500 times) and common mode rejection ratio (above 90dB); U12, U15A, U15B (LF353) three operational amplifiers form an integral feedback network to achieve baseline stability and automatic reset; Optical couplers U6, U7 (TIL117) and operational amplifiers U5B, U8B (LF353) compose a compensated linear signal isolation transmitter to realize linear optical isolation. The lead system of the 18-lead synchronous ECG amplifier requires 18 signals to be connected at the same time each time (only 14 signals are actually required in this system design), and the three signals of the orthogonal leads are switched on at the same time by the electronic switch (X , Y, Z) or the three-way signal of the Frank lead (X', Y', Z').

[0017] The system software of the present invention comprises an electrocardiographic data acquisit...

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Abstract

A synchronization cardiograph information detecting and analyzing method comprises, transforming cardiograph analog signals into digital signals, arranging 14 separate amplification channels for synchronously magnifying 14 lead electrocardiosignals, calculating the remained four leads, collecting the cardiograph data, and automatically analyzing high-frequency electrocardiogram, conventional electrocardiogram, atrium cordis late electric potential, frequency spectrum electrocardiogram, vectorcardiogram, heart rate variability, autonomic nerve information.

Description

1. Technical field [0001] The invention relates to a method and a device for detecting synchronous electrocardiographic information, in particular to a method and a device for detecting synchronous electrocardiographic information of 18 leads. 2. Background technology [0002] Existing methods and devices for ECG information detection use 12-lead and orthogonal 3-lead electrocardiogram instruments and acquisition and analysis, which already have high-frequency electrocardiogram, conventional electrocardiogram, ventricular late potential, atrial late potential, spectrum electrocardiogram, cardiac Functions such as vector diagram, heart rate variability, autonomic information, automatic analysis of body surface His potential and ECG database. However, the collection, analysis and observation range of ECG is still limited. Existing high-frequency ECG and heart rate variability measurement devices have been employed. Heart rate variability CN95240462 and high-frequency electro...

Claims

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Application Information

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IPC IPC(8): A61B5/0402A61B5/0452G06F17/00
Inventor 宁新宝马千里李锦万海音马小飞
Owner NANJING UNIV
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