An infusion device is disclosed. The infusion device comprises an inner delivery sleeve, an outer sleeve, and a medical balloon. The inner delivery sleeve defines a lumen therethrough, and having at least one opening at or adjacent a distal end that is in communication with the lumen. The outer sleeve is disposed about the inner delivery sleeve. The medical balloon is sealing mounted to the outer sleeve. The outer sleeve includes an inner lumen that is configured to be in communication with a source of pressurized fluid such that the medical balloon may be selectively inflated or deflated. The lumen of the inner delivery sleeve is configured to be in communication with a source of a therapeutic agent such that the therapeutic agent may be selectively delivered through the lumen of the inner delivery sleeve and exit out of the at least one opening, which is positioned distally of the medical balloon.
