Device for the controlled Continuous intravenous administration of Drugs and Fluids to a patient

摘要

An improved infusion unit for intramuscular, subcutaneous intravascular delivery of liquid drug to a patient is disclosed and includes (a) a compartmented housing carrying a (b) removable, refillable liquid drug cartridge selectively communicating with a (c) fluid passageway in the housing and suitably connected with a (d) catheter. The cartridge contains a distensible bladder or liquid repository leading to an adjustable fluid flow controller disposed in the passageway and which accurately meters the amount of liquid drug dispensed from the bladder to the patient. The unit is completely self-contained and can be conveniently attached to the patient near the point of infusion for ambulatory use.