Radial artery pulse wave based cardiovascular function parameter detection and analysis method and detection device

An analysis method and parameter detection technology, which is applied in the fields of sensor technology and biomedical engineering, can solve the problems of signal detection box damage, influence on pulse signal stability, etc., and achieve accurate measurement results

Active Publication Date: 2010-05-12
HEFEI INSTITUTES OF PHYSICAL SCIENCE - CHINESE ACAD OF SCI
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Problems solved by technology

The pulse sensor is fixed on the cuff device, and the external gas pressure affects the stability of the pulse signal. In this patent, the signal monitoring box is connected to the computer through the USB power interface circuit, and the signal detection box is connected to each of the signal detection boxes through th

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  • Radial artery pulse wave based cardiovascular function parameter detection and analysis method and detection device

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[0084] When evaluating the cardiovascular function of the user, firstly connect the parts that need to be connected, and connect the parts that need to be connected to electricity, and check the safety of the system, such as whether there is leakage. Start the dedicated analysis software and initialize each component. Measure blood pressure related information, fix the sphygmomanometer cuff 1 on the wrist, input user-related information (age, height, weight, etc.), press the blood pressure measurement button, and the control chip 5.14 controls the air pump speed regulating circuit 5.15 according to the blood pressure situation of the user's individual, so that The air pump 5.9 automatically inflates the sphygmomanometer cuff 1 to a certain value. At the same time, the control chip 5.14 controls the air pressure sensor 5.2 to collect blood pressure related data. The received data (a group of flowing pulse waveform p(n) and DC voltage sequence v(n), n is the time sequence number...

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Abstract

The invention relates to a radial artery pulse wave based cardiovascular function parameter detection and analysis method and device. The detection and analysis method is characterized by extracting characteristic information and computing cardiovascular function parameters by analyzing the pulse wave series acquired in real time. In the method, an amplitude characteristic ratios method and a yielding point method are combined to detect and analyze the artery parameters, and when the heart function parameters are detected and analyzed, different ranges are set for the pulse waves corresponding to different templates to search for characteristic points, thus ensuring the method to be rapid and accurate. In the detection method provided by the invention, a pulse clip is used for fixing a pulse sensor and the degree of tightness of the pulse clip is adjusted by a control chip according to the strength of the pulse signals, thus enabling data acquisition to be more rapid and accurate. The detection device is provided with an air adjusting device which ensures that the blood pressure related data can be acquired in the aeration stage, thus accelerating the speed of data acquisition. In addition, a special power source is used for supplying power to the device, thus ensuring the personal safety of the users.

Description

technical field [0001] The invention relates to sensor technology and biomedical engineering, in particular to a detection and analysis method and detection device for cardiovascular function parameters based on radial artery pulse waves. Background technique [0002] Normal blood pressure is the prerequisite for blood circulation. Blood pressure is kept normal under the adjustment of various factors, so as to provide sufficient blood volume for various tissues and organs to maintain normal metabolism. Too low or too high blood pressure will cause serious consequences, and the disappearance of blood pressure is a precursor to death, which shows that blood pressure has extremely important biological significance. Epidemiological surveys and large-scale prospective clinical studies have shown that hypertension is significantly related to the occurrence and death of cardiovascular and cerebrovascular diseases. Therefore, in order to reduce cardiovascular and cerebrovascular eve...

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Application Information

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IPC IPC(8): A61B5/0225G06F17/00
Inventor 张永亮孙怡宁马祖长占礼葵李雪情孙向阳陈卫郑莹莹徐强陈炎炎任妍妍姚志明
Owner HEFEI INSTITUTES OF PHYSICAL SCIENCE - CHINESE ACAD OF SCI
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