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Title: Low cost metal micro-pump for drug delivery
Authors: Tay, Francis E.H. 
Xu, G.L.
Choong, W.O.
Xue, H.
Issue Date: 1999
Citation: Tay, Francis E.H.,Xu, G.L.,Choong, W.O.,Xue, H. (1999). Low cost metal micro-pump for drug delivery. Proceedings of SPIE - The International Society for Optical Engineering 3893 : 234-240. ScholarBank@NUS Repository.
Abstract: The design, fabrication and characterization of a micro-pump for drug delivery are presented in this paper. A low cost metallic micro-pump capable of handling low fluid volumes and having the potential for applications in drug delivery is described. The pump is of the reciprocating displacement type and is driven by a piezoelectric diaphragm actuator. The main parts of the pump are made of stainless steel and can be readily fabricated using precision casting technology. The check valves are made from a polyamide membrane using photolithography. Equations presented in this report are useful for predicting the behavior of the actuation unit as well as the valve unit. Based on the analysis, a prototype of the micro-pump is designed and fabricated, from which a maximum pump rate of 255 ul/min for water was achieved.
Source Title: Proceedings of SPIE - The International Society for Optical Engineering
ISSN: 0277786X
Appears in Collections:Staff Publications

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