基于蓝牙技术的手术室移动医疗设备智能定位系统设计

Design of intelligent positioning system for mobile medical equipment in operating room based on Bluetooth technology

目的:为提高医疗设备管理效率,设计一种基于蓝牙技术的手术室移动医疗设备智能定位系统。方法 :该系统采用接收的信号强度指示(received signal strength indication,RSSI)算法和多网关轨迹滤波算法来进行蓝牙定位,主要由蓝牙网关、蓝牙信标、蓝牙标签以及后台的数据处理平台组成。其中蓝牙网关主要由有源以太网(power over ethernet,POE)模块、直流电源模块、CPU、Wi-Fi模块、蓝牙模块等组成,蓝牙信标主要由信标控制单元、蓝牙发射模块、蓝牙接收模块等组成,蓝牙标签主要由微控制单元(microcontroller unit,MCU)、蓝牙模块、防拆开关和加速度计等组成;数据处理平台前端采用Vue框架开发,后端采用Java语言开发。结果:该系统可准确定位医疗设备在手术室的具体位置,且不会对其他医疗设备造成电磁干扰。结论:该系统具有定位精度高、电磁干扰低、系统稳定可靠、工程造价低等优点,在保证安全性的前提下提高了医疗设备的定位及管理效率。

Objective To develop an intelligent positioning system for mobile medical equipment in the operating room based on Bluetooth technology to enhance medical equipment management efficiency.Methods The intelligent positioning system for mobile medical equipment used received signal strength indication(RSSI)algorithm and multi-gateway trajectory filtering algorithm to realize Bluetooth positioning,which was composed of Bluetooth gateways,Bluetooth beacons,Bluetooth labels and a background data processing platform.The Bluetooth gateway consisted of an active power over ethernet(POE)module,a DC power module,a CPU,a Wi-Fi module and a Bluetooth module;the Bluetooth beacon included a beacon control unit,a Bluetooth transmitter module and a Bluetooth receiver module;the Bluetooth label was made up of a microcontroller unit(MCU),a Bluetooth module,an anti-temper switch and a accelerometer;the data processing platform had the front end developed with Vue architecture and the back end with Java language.Results The system developed could accurately locate the medical equipment in the operating room without electromagnetic interference to other medical devices.Conclusion The system developed gains advantages in high positioning accuracy,low electromagnetic interference,high stability and reliability and low cost,which improves the positioning and management efficiency of medical equipment under the premise of ensuring safety.