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基于ZigBee的血氧饱和度检测技术与模块研制 被引量:8

Research on ZigBee based Monitoring for Blood Oxygen Saturation
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摘要 目的:为了及时、准确、方便、无约束地检测血氧饱和度,本文研制一种无线血氧饱和度检测模块。方法:结合穿戴式检测技术和ZigBee短距离无线通信技术,设计出基于ZigBee的无线血氧饱和度检测模块。该模块由光电容积脉搏波微型化检测模块、ZigBee接入终端及上位机数据分析处理模块组成,其中数据分析处理采用基于形态匹配的特征提取算法对光电容积脉搏波进行最大值的定位。结果:模块实现的功能有光电容积脉搏波显示,血氧饱和度计算,数据无线传输等。实验表明光电容积脉搏波的最大值检测准确率达到98%,而血氧饱和度的计算误差控制在8.8%以内,满足血氧饱和度的检测要求;此外,ZigBee无线传输技术与光源驱动脉冲调节器均有效减少能量的消耗。结论:本模块设计实现病人的移动监护,具有无线化、低功耗、微型化和高性价比等特点。 Objective: In order to detect blood oxygen saturation timely, accurately, and conveniently, a wireless blood oxygen saturation detection module has been developed. Methods: Based on wearable monitoring technology and ZigBee wireless communication technology, we designed a blood oxygen saturation module of finger cuff type. This system is composed of photoplethysmography detection micromodule, ZigBee access terminal, and data analysis program, which realize the fimctions ofwaveform display, SpOz calculation, wireless date transmission and so on. Results: The results show that detection accuracy of photoplethysmography is 98%, and calculating error of SpO2 is less than 8.8% satisfying the performance index of blood oxygen saturation detection. Furthermore, ZigBee wireless communication technology and light source regulator can reduce energy expenditure effectively. Conclusion: With the characters of wireless, low power consumption, miniaturization, and high performance, it can truly reflect physiological condition of patients, and remove lines on them, which make it possible for mobile monitor.
出处 《中国医学物理学杂志》 CSCD 2010年第1期1672-1675,共4页 Chinese Journal of Medical Physics
基金 广东省科技计划(2007B031302003)
关键词 血氧饱和度 ZIGBEE 穿戴式 微型化 blood oxygen saturation ZigBee wearable miniaturization
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参考文献6

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二级参考文献9

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