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Medical monitoring system for ZigBee-based wearable sensor

A medical monitoring and sensor technology, applied in the field of medical monitoring system, can solve the problems of not being able to meet the requirements of real-time, continuous and long-term monitoring of patients, restricting the activity space of patients and medical staff, and deviation between detection results and real conditions, etc. Low, increased flexibility, low power consumption effect

Inactive Publication Date: 2015-04-22
ANHUI UNIV OF SCI & TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] At present, most medical monitoring systems are fixed wired devices, which are costly, complicated in wiring, bulky, and inconvenient to move, which greatly limits the activity space of patients and medical staff and increases their burden and risk. It is increasingly unable to meet the requirements of real-time, continuous and long-term monitoring of patients today.
In addition, many equipment probes attached to the patient's body will cause the patient's nervousness and psychological burden, which will cause a certain deviation between the test result and the real situation, and affect the accurate diagnosis of the disease.

Method used

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  • Medical monitoring system for ZigBee-based wearable sensor
  • Medical monitoring system for ZigBee-based wearable sensor
  • Medical monitoring system for ZigBee-based wearable sensor

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0058] see figure 2 , the medical monitoring system based on ZigBee wearable sensors is composed of a power module (1), an acquisition module (2), a data processing module (3), a wireless communication module (4) and a host computer (5). It is characterized in that the power supply module (1) provides stable power supplies of 5V and 3.3V for the system; the acquisition module (2) includes sensors such as body temperature, pulse, blood pressure, and electrocardiographic signals; the data processing module (3) It involves a signal conditioning circuit corresponding to physiological parameters such as body temperature and pulse, including two links of signal filtering, amplification and shaping; the wireless communication module (4) includes a ZigBee terminal node and a network coordinator, responsible for further processing of signals and data processing. Sending and receiving; the data processing module (3) is connected to the A / D sampling port or interrupt port of the ZigBee ...

Embodiment 2

[0060] This embodiment is basically the same as Embodiment 1, and the special features are: the power supply module (1) adopts voltage conversion chips MC7805 and AMS1117; the acquisition module (2) adopts temperature sensor DS18B20, photocoupler IR928-6C and PT928 -6C etc.; The signal conditioning circuit in the described data processing circuit (3) is made up of shaping circuit, operational amplifier LM324 and RC filter circuit; Described wireless communication module (4) adopts CC2530, further to the signal of data processing module output processed, and then transmitted to the host computer through the serial port; after the host computer (5) processes the signal, it finally stores and displays the patient's physiological information.

Embodiment 3

[0062] This medical monitoring system based on ZigBee wearable sensor adopts the above-mentioned technical method.

[0063] against figure 2 The block diagram of the system structure shown, Figure 3-Figure 6 The hardware circuit diagram of each module of the system is shown respectively; at the same time, Figure 6-Figure 9 A specific flow chart of the corresponding software design is given for each hardware module.

[0064] (1) image 3 It is the voltage conversion circuit of the power module. The lithium battery is used as the voltage input terminal. It outputs a stable 5V voltage after the voltage conversion chip MC7805, and then outputs a stable 3.3V voltage through the voltage conversion chip AMS1117.

[0065] (2) Figure 4 It is the acquisition module. The photocoupler composed of IR928-6C and PT928-6C converts the finger pulse electric signal into current, and sends it to the data processing module after output.

[0066] (3) Figure 5 It is a data processing mod...

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Abstract

The invention discloses a medical monitoring system for a ZigBee-based wearable sensor, a measurement method and technology implementation of error compensation and wireless transmission, so that microminiaturization of medical equipment and wireless property of medical monitoring are realized. The medical monitoring system is composed of a power supply module, a collecting module, a data processing module, a wireless communication module and a host computer. The invention relates to the technical fields of medical monitoring, wireless sensor networks, a ZigBee technology and the like. Aiming at the problems that the wired mode is complicated in wiring, equipment is inconvenient to move, and the like, the wired mode is replaced with the ZigBee technology; meanwhile, aiming at emotional tension and psychological burden on patients caused by the wired mode, the wearable sensor is introduced into the monitoring system; the microminiaturization of the sensor is ensured by highly integration of the system; the sensor is conveniently worn by the patients; and the negative induced emotion of the patients is relieved, so that the measurement accuracy of the monitoring system is improved. In addition, the system also has the characteristics of low power consumption, high expansibility and the like.

Description

technical field [0001] The invention relates to a medical monitoring system based on a ZigBee wearable sensor, including the overall design of the system and the technical realization of wireless transmission, in particular to a pulse signal measurement method and error compensation. It belongs to the technical fields of medical monitoring, wireless sensor network, ZigBee technology and the like. Background technique [0002] The medical monitoring system is a combination of certain medical instruments that continuously, long-term, automatic, and real-time monitor the physiological parameters of the patient, and realize multi-category automatic alarm and automatic recording after data analysis and processing. It is widely used in ICU and operating room. It can help medical staff keep abreast of the changes in the condition of critically ill patients in order to take timely and necessary treatment measures. [0003] ZigBee technology is a wireless communication technology, ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61B5/0205A61B5/01A61B5/0402
CPCA61B5/002A61B5/02055A61B5/6802A61B5/72A61B5/7242A61B5/725A61B5/318
Inventor 陈静唐军胜
Owner ANHUI UNIV OF SCI & TECH
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