A system for the effective, reliable and foolproof delivery of controlled amounts of a medical fluid to a patient is provided. The system includes an integrated compressed gas unit having an inlet port to which at least one compressed gas cylinder is selectively connected and an outlet port in communication with the inlet port. The integrated compressed gas unit also includes a regulator valve assembly positioned between the outlet port and the inlet port, wherein the regulator valve assembly includes a press button actuator and regulator adjustment dial. The system also includes a flow control system delivering the fluid in precisely controlled amounts.
