便携式体外循环管路性能检测系统设计与试验研究  

Design and Experimental Research of Portable Extracorporeal Circulation Pipeline Performance Testing System

作　　者：刘松 王甘英 王一涵 彭玲 郑金路 LIU Song;WANG Ganying;WANG Yihan;PENG Ling;ZHENG Jinlu(Jiangxi Sanxin Medical Technology Co.Ltd.,Nanchang,330052;School of Precision Instrument and Opto-electronics Engineering,Tianjin University,Tianjin,300072)

机构地区：[1]江西三鑫医疗科技股份有限公司,南昌市330052 [2]天津大学精密仪器与光电子工程学院,天津市300072

出　　处：《中国医疗器械杂志》2022年第2期164-167,共4页Chinese Journal of Medical Instrumentation

基　　金：2019年南昌市科技重大项目——新型血液透析器及透析膜纺丝关键技术开发。

摘　　要：针对目前血液透析体外循环管路性能测试,存在的效率低、计量不准确、测试不便等现状,设计了一种测试血液透析体外循环管路性能的便携式检测系统。该系统主要包括硬件系统和软件系统,其中硬件系统以STM32F407单片机为核心,对滚压泵驱动控制进行设计;软件系统采用C++实时操作系统,流量检测数据通过RS485通信传送到上位机并显示。实验显示:系统对流率准确性及流速稳定性进行检测,具有稳定性强、精度高等特点,实验测量相对误差在±10%范围之内,整机重量2 kg,与传统检测方式对比,效率提升50%。Aiming at the current situation of performance testing of hemodialysis extracorporeal circulation tubing,which has slow efficiency,inaccurate measurement,and inconvenient testing,a portable detection system for testing the performance of hemodialysis extracorporeal circulation tubing is designed.The system mainly includes a hardware system and a software system.The hardware system uses STM32 F407 single-chip microcomputer as the core to design the driving control of the roller pump;the software system uses the C++ real-time operating system,and the flow detection data is transmitted to the upper computer through RS485 communication and displayed.Experimental showed that the system detects the accuracy and the stability of the flow rate.It has the characteristics of stability and high precision.The relative error of the experimental measurement is within the range of ±10%.The weight of the whole machine is 2 kg,which improves the efficiency by 50% compared with the traditional detection method.

关 键 词：血液透析 体外循环管路 STM32 流量检测 

分 类 号：R318[医药卫生—生物医学工程]