An apparatus for ambulatory intravenous delivery of substances to a recipient comprising a container and delivery means for pressurized delivery of the substance. The container communicates with a source of pressurized gas to provide the pressurizing force and is uniquely attachable to the recipient...http://www.google.com.au/patents/US4684367?utm_source=gb-gplus-sharePatent US4684367 - Ambulatory intravenous delivery system
