In Medicine is a thin and elongated tube-shaped device, which can be inserted into a vein, a duct or tissue, and is used to inject drugs with the serum, to drain fluids or to facilitate the entry of other medical instruments. There is a multiplicity of catheter types (cardiac, urinary, pleural, venous, etc. ) . In some cases it is also called probe ( Axis . : Foley probe ) .
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