Study on implantable low-power consumption wireless system for small animal monitoring

CHEN Wei-hong; YANG Yi-min; YE Shu-ming

doi:10.13873/j.1000-97872012.04.008

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Study on implantable low-power consumption wireless system for small animal monitoring

更新时间：2025-09-11

- Study on implantable low-power consumption wireless system for small animal monitoring
- Vol. 31, Issue 4, Pages: 60-62+66(2012)
- 作者机构：
  
  浙江大学生物医学工程及仪器科学学院
- 作者简介：
- 基金信息：
- DOI：10.13873/j.1000-97872012.04.008
  CLC： R-331
- Published：2012
- 稿件说明：
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[1]陈卫红,杨益民,叶树明.小动物监测的植入式低功耗无线系统研究[J].传感器与微系统,2012,31(04):60-62+66.

CHEN Wei-hong, YANG Yi-min, YE Shu-ming. Study on implantable low-power consumption wireless system for small animal monitoring[J]. 2012, 31(4): 60-62+66.
[1]陈卫红,杨益民,叶树明.小动物监测的植入式低功耗无线系统研究[J].传感器与微系统,2012,31(04):60-62+66. DOI： 10.13873/j.1000-97872012.04.008.

CHEN Wei-hong, YANG Yi-min, YE Shu-ming. Study on implantable low-power consumption wireless system for small animal monitoring[J]. 2012, 31(4): 60-62+66. DOI： 10.13873/j.1000-97872012.04.008.

摘要

动物模型是药物开发、药效评价、病理研究中常用的方法。植入式无线系统是动物生理参数监测的常用工具。针对小动物监测系统关键问题

植入模块采用模拟电路实现PPM调制

且多路信号分时复用发射模块

减小了植入部分的体积和功耗。体外接收模块采用了ZN414Z无线电接收芯片和C8051F040微处理器

将接收到的信号解调、处理

并通过串口发送到PC端显示。测量得到包含一路心电和一路温度的植入模块功耗仅60μA

在两节RENATA395钮扣电池供电下连续工作时间达78 d。通过模拟心电信号和SD大鼠体外实验表明:该系统可得到稳定的心电信号。小体积使得系统在小动物监测中具有很大优势。

Abstract

Animal model is a sort of common method for drug development

drug efficacy evaluation and pathological study.Implantable wireless system is a common tool for physiological parameters monitoring of animals.Focus on the key problems of small animal monitoring system

analog circuit is designed to realize PPM modulation and transmitting module is designed as time division multiplex access（TDMA）mode

which reduces the size and power consumption of the implantable module.AM radio receiver ZN414Z and C8051F040 micro-processor are used in the design of the receiving module

which complete signal demodulation

signal processing and transmission and display on PC.The power consumption of the implantable module that includes a channel of ECG and a channel of temperature is only 60 μA.Continuous working time is up for 78d when using two RENATA395 as power.The experiments on simulative ECG signal and SD rat show that the system can get stable ECG signal.Small size makes the system to have a great advantage in the monitoring of small animals.

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references

用于植入式医疗仪器的无线通信系统研究 [J]. 王伟明,马伯志,郝红伟,刘方军,胡春华,李路明. 中国生物医学工程学报 . 2009(03)

生物医学中的植入式电子系统的现状与发展 [J]. 谢翔,张春,王志华. 电子学报 . 2004(03)

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