氧舱内人工气道气囊压力智能监控装置的研制与应用  

Development and application of intelligent pressure monitoring device for artificial airway cuff in oxygen chamber

作　　者：丁静 印中鹏 管亚东 DING Jing;YIN Zhong-peng;GUAN Ya-dong(Department of Hyperbaric Oxygen,General Hospital of Eastern Theater Command,Nanjing 210002,China)

机构地区：[1]东部战区总医院高压氧科,南京210002

出　　处：《医疗卫生装备》2023年第3期108-111,共4页Chinese Medical Equipment Journal

基　　金：全军后勤重大项目(AWS16J033)。

摘　　要：目的:研制一种适宜氧舱内使用的人工气道气囊压力智能监控装置。方法:该装置由硬件和软件组成,其中硬件由单片机、传感器、微气泵、微电磁气阀、存储卡、锂电池等组成;软件以STM32CubeMX为工具搭建程序框架,嵌入引导程序(BootLoader)和实时操作系统(real-time operating system,RTOS)主程序。在表压为0~100 kPa的氧舱内采用该装置对20名高压氧治疗患者(计324人次)的人工气道气囊压力进行监控,以评估该装置的性能。结果:该装置能够维持气囊压力在25~30 cmH2O(1 cmH2O=98.06 Pa)范围,20名患者(324人次)的人工气道气囊压力达标时长占比均>99%。结论:该装置能够克服氧舱内环境压力变化的不利影响,实现气囊压力的智能化管理。Objective To develop an artificial airway cuff pressure intelligent monitoring and control device used in the oxygen chamber.Methods The hardware component of the device developed was composed of the single-chip microcompu-ter,sensor,micro-air pump,micro-solenoid valve,memory card,lithium battery and etc,and the software component used STM32CubeMX as a tool to build the program framework and was embedded with the main program of BootLoader and real-time operating system.The device developed had its performances evaluated by monitoring the artificial airway cuff pressure of 20 hyperbaric oxygen therapy patients(324 visits)in an oxygen chamber with gauge pressure ranging from 0 to 100 kPa.Results The device developed could maintain the cuff pressure within 25 to 30 cmH2O(1 cmH2O=98.06 Pa),and the 20 pa-tients(324 visits)all had the proportion of duration when the artificial airway cuff pressure met the requirements higher than 99%.Conclusion The device developed realizes intelligent management for the artificial airway cuff pressure in spite of the adverse effects of environmental pressure changes in the oxygen chamber.

关 键 词：氧舱 高压氧治疗 人工气道管理 气囊压力监测 

分 类 号：TH77[机械工程—仪器科学与技术]