Patent ID: 8118777

Claim:
A system suitable for delivering a therapeutic agent to a target site, the system comprising: a container for holding the therapeutic agent, wherein the container comprises first and second regions and has a reservoir containing the therapeutic agent; and a pressure source having pressurized fluid, the pressure source in selective fluid communication with at least a portion of the reservoir of the container; an inlet tube disposed at least partially within the container, and a unitary lumen extending between first and second ends of the inlet tube; and an outlet tube disposed at least partially within the container, and a unitary lumen extending between first and second ends of the outlet tube, wherein fluid from the pressure source is directed through the first region of the container in a direction towards the second region of the container, and wherein the fluid is at least partially redirected to urge the therapeutic agent in a direction from the second region of the container towards the first region of the container and subsequently towards the target site.