【摘要】 针对医院输液过程控制及其管理自动化的需要,设计了一种基于CAN总线的医用输液监控系统。首先介绍了输液监控系统的总体结构,该系统由现场智能节点、监控计算机和CAN控制网络3个部分构成。其次介绍了压力传感器、智能节点和CAN总线接口的硬件设计。最后介绍了基于SQL server数据库的输液信息管理软件的设计。该系统经调试运行能满足医用输液过程的监控要求。更多还原

【Abstract】 According to the need of process control and management automation for hospital transfusion,a medical monitoring system,on a basis of the CAN bus,was designed in the article.Firstly,the overall structure of the system,which was composed of field intelligent node,monitoring computer and CAN control network,was introduced.Then the design of hardware including pressure sensors,intelligent nodes and CAN bus,was presented.Finally,the design of transfusion-information management software based on the SQL server database was described.And tests showed that the system provided good performance and could meet the requirements of monitoring transfusion process.更多还原