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. Author manuscript; available in PMC: 2020 Mar 28.
Published in final edited form as: J Control Release. 2019 Jan 25;298:27–37. doi: 10.1016/j.jconrel.2019.01.032

Figure 1.

Figure 1.

Left) Cyclic phase-change actuation of the three chambers compressed the microcatheter tubing and drove peristalsis. The left and right actuators are in the liquid state, compressing the tubing to eject fluid. Right) Schematic of the peristaltic micropump.