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pump
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    Also found in: Dictionary/thesaurus, Medical, Encyclopedia, Wikipedia 0.02 sec.

pump

Any 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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A testing system of infusion pump occlusion pressure is designed to test an infusion pump and determine whether the pump is operating correctly.
Design of occlusion pressure testing system for infusion pump by Zhang, Peng; Wang, Shu-Yi; Yu, Chuan-Yi; Zhang, Min-Yan / Journal of Biomedical Science and Engineering (JBiSE)
paid $100 million for a 40 percent stake in and a distribution agreement with privately held infusion pump maker Sigma International General Medical Apparatus LLC, based in Medina, N.
Baxter acquires minority stake in infusion pump maker by Medical Product Outsourcing
regulators classified its move to inform physicians about an increase in the rate of inflammatory mass cases in patients receiving drugs through the company's implantable infusion pumps as a Class I recall, Reuters reported.
FDA calls Medtronic drug pump warning Class I by Adverse Event Reporting News
 
 
 
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