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J Appl Physiol 20: 793-795, 1965;
8750-7587/65 $5.00
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A small electrolytically driven infusion pump

A. Baumgarten 1 and C. C. Curtain 1

1 Baker Medical Research Institute, Melbourne, Australia

An electrolytically driven infusion pump has been constructed in which the pressure of gas generated by electrolysis is used to propel the infusate at controllable flow rates. The unit has over-all dimensions of 12.5 x 4.0 cm and consists of a chamber containing the electrolyte solution in a polyurethane sponge inserted between platinum electrodes and a chamber containing a mercury battery which serves as the power source. The infusate is contained in 4.5-mm diameter polythene tubing wound about the body of the pump. A small polythene valve inserted between the tubing and an intravenous catheter prevents reflux of blood. The pump has a capacity of up to 25 ml and a flow rate of 0.5–25 ml/hr. It can operate in any position and is designed for use in human subjects and unrestrained animals.

portable infusion pump; self-contained infusion pump; nonmechanical pump

Submitted on November 9, 1964






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