• Peng Zhao, Yinbao Chong, An Zhao, Lang Lang, Qing Wang, and Jiuling Liu.
• Department of Medical Engineering, Xinqiao Hospital, Third Military Medical University, Chongqing, China.
• Proc Inst Mech Eng H. 2015 Feb 1; 229 (2): 101-9.

AbstractA rapid infusion pump with a maximum flow rate of 6 L/h was designed experimentally using a micro electromagnetic linear actuator, and its effectiveness was evaluated by comparing with that of a commercial Power Infuser under preset flow rates of 0.2, 2, and 6 L/h. The flow rate, air detection sensitivity, occlusion response time, quantitative determination of hemolysis, and power consumption of the infusion devices were extensively investigated using statistical analysis methods (p < 0.05). The experimental results revealed that the flow rate of the designed infusion pump was more stable and accurate, and the hemolysis was significantly less than that of the Power Infuser. The air detection sensitivity and the power consumption could be comparable to that of the Power Infuser except the occlusion response time. The favorable performance made the designed infusion pump a potential candidate for applications in pre-hospital fluid administration.© IMechE 2015.

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