An electronically controlled piezoelectric insulin pump and valves
- 1 May 1978
- journal article
- Published by Institute of Electrical and Electronics Engineers (IEEE) in IEEE Transactions on Sonics and Ultrasonics
- Vol. 25 (3) , 153-156
- https://doi.org/10.1109/t-su.1978.31006
Abstract
A miniature piezoelectric pump and valves with electronic controls for programmed release of insulin is described. The pumping volume and pressure as a function of voltage are calculated and experimentally verified. The volume pumped per stroke is 19 μcc/V and pump pressure is l mm-Hg/V. The pumping rate can be varied from one stroke per second to any slower rate and is controllebdy a quartz crystal oscillator. Pump and valve driver circuits are given.Keywords
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