Single-arm type electrocardio auxiliary fall detector

Abstract

The invention provides a single-arm type electrocardio auxiliary fall detector. Aiming at the detection for the special body position change of falls of elderly people, the fall detector can detect electrocardiosignal parameters of a human body simultaneously when monitoring real-time body position change of the human body. A 3D acceleration sensor is adopted for collecting acceleration signals around the human body in real time to monitor the body position change of the human body in all directions, and sending the collected real-time signals to a system control center through a wireless communication protocol ZigBee for storage and analysis. Through the comprehensive analysis on the 3D acceleration sensor and the single-arm type electrocardiosignals, whether a fall event really happens is determined, and then an alarm text message is sent to relatives and friends of a monitored object through a GSM modem. The single-arm type electrocardiosignals collected by the detector are more convenient than the electrocardiosignals collected by traditional limb lead, and the whole collecting terminal equipment only needs four AA batteries for power supply, so as to well meet the wearable and portable requirements.

Description

Technical field [0001] The invention belongs to the technical field of medical monitoring equipment, and specifically relates to a single-arm type ECG assisted fall detector. Background technique [0002] At present, the proportion of the elderly in society is increasing year by year, and the safety of the elderly has become an important social issue. In the face of the problem that the elderly are prone to falls, in addition to prevention, when a fall occurs, the most important thing is to send to the hospital as soon as possible to reduce injuries. [0003] Existing human fall detection technologies, fall detection methods are generally based on various 3D acceleration sensors to sense the human body’s fall status. The most commonly used are gyroscopes or three-axis acceleration sensors, because of their low price, simple control and high sensitivity , And the sampling is convenient, but it cannot be combined with other physiological information parameters of the human body to a...

AI Technical Summary

Problems solved by technology

[0005] Now there is a fall detection system that combines the 3D acceleration module and the ECG signal, but the collection of the ECG signal by this system is still the traditional ECG acquisition method of the limb lead, and the ECG electrodes are placed on the left and right hands of the detection object, and used The long lead wire introduces the original signal into the acquisition system, which greatly restricts the degree of freedom of the detection object, and does not realize the true portable and wearable features

[0006] At present, there are also some fall detection devices for human body fall detection. These methods only analyze the acceleration changes of the 3D acceleration sensor on the X, Y, and Z axes for the identification of the fall situation, and take one aspect of the detection method, which often cannot achieve a high level of accuracy. High monitoring accuracy

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