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Infusion catheters designed for insertion in percutaneously accessible blood vessels of the extremities (i.e., the peripheral vasculature) and are short in length to keep their distal tip near the insertion site. These catheters typically include a 2 to 8 cm (1 to 3 inches) plastic tube with a metal stylet inside its lumen (over-the-needle catheters). Peripheral infusion catheters are the most commonly used infusion devices for short dwelling time (typically seven days or less) administration of non-irritating fluids, electrolyte, vitamins, medication, and for the injection of certain anesthetics into the peripheral vasculature of patients with good venous access.
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