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See also: incorporation. INFUSION, med. jur. A pharmaceutical operation, which consists in pouring a hot or cold fluid upon a substance, whose medical properties it is desired to extract. Infusion is also used for the product of this operation.
With intravenous, or IV, infusion, medication is delivered directly into the blood stream through a flexible, surgically placed catheter (very, thin tube). The catheter is usually placed into a vein in the chest. A small pump outside the body delivers medication through the catheter.