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pump |
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pumpAny device for moving liquids and gases, or compressing gases. Some pumps, such as the traditional lift pump used to raise water from wells, work by a reciprocating (up-and-down) action. Movement of a piston in a cylinder with a one-way valve creates a partial vacuum in the cylinder, thereby sucking water into it. Gear pumps, used to pump oil in a car's lubrication system, have two meshing gears that rotate inside a housing, and the teeth move the oil. Rotary pumps contain a rotor with vanes projecting from it inside a casing, sweeping the liquid round as they move. |
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| The Royal Adelaide Hospital nurse manager has Type 1 diabetes and wears an insulin infusion pump that injects insulin 24 hours a day. Every three weeks, for three consecutive days, Heidari is hooked up to a computerized portable infusion pump that keeps the autoimmune disease myasthenia gravis under control. It also supports our fast-growing infusion pump business and the recent launch of our Pinnacle[TM] TPN Compounding System," Quilty added. |
Infusion pump
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