A battery-powered ambulatory device intended to provide continuous or intermittent administration of medication, commonly for antibiotic therapy, chemotherapy, or patient-controlled analgesia (PCA); it is not dedicated to insulin infusion. It consists of a small unit with a pumping mechanism and an infusion-rate controller. It is used with a dedicated single-use medication cartridge and/or an injection/infusion set for delivery via an intravenous, subcutaneous, arterial, epidural or intracavital route. It is typically worn in a case attached to the belt, carried in a pocket or bag, for ambulation within and outside healthcare settings; it may be designed for optional pole mounting.
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