Infusion Pump (from Internet Glossary of Pumps)
Infusion Pump
Infusion Pumps are used to deliver very small quantities of drugs over long periods of time. They are also commonly called Syringe Pumps.

A worm gear (shaft) slowly turns, moving the plunger of the syringe in, and pushing the medication out. These can also be used in reverse to withdraw fluids.

Here the action is shown much faster than it usually would be. The injection might take place over a period of many hours.

A typical infusion pump might have a flow rate range from .2 cubic centimeters (cc) to 500cc per hour. At .2cc per hour, a 10cc syringe would require 50 hours to empty.

(This is a still representation and possibly also a low-resolution image of a pump which is fully animated in the CD-ROM version of this glossary.)

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Last modified February, 2002
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