Use or insertion of a tubular device into a duct, blood vessel, hollow organ, or body cavity for injecting or withdrawing fluids for diagnostic or therapeutic purposes. It differs from INTUBATION in that the tube here is used to restore or maintain patency in obstructions.
Cannulation,Cannulations,Catheterizations
D002408
Catheters, Indwelling
Catheters designed to be left within an organ or passage for an extended period of time.