A delivery system for delivery of a therapeutic agent such as stem cells into a vein and across a micro circulation system into an artery comprises a multi lumen catheter for delivery of a therapeutic agent. A discharge device is located in a vein. The operation of the delivery device is controlled by a pressure stem cell solution delivery gun system. There are multiple delivery stages. These may include delivery of an elixir to open up the pressure bed, a platelet-rich plasma, stem cells, scaffolds, and finally an elixir to provide emichment and nourishment of the stem cells.
