Patent ID: 7955371

Claim:
A system for treating a vascular condition, comprising: a catheter having an inflation lumen and a therapeutic agent delivery lumen; an inflatable balloon disposed on the catheter and in fluid communication with the inflation lumen, the balloon comprising a proximal end portion, a distal end portion, and a center portion; a stent detachably disposed on the balloon; an annular expandable manifold disposed on one of the proximal end portion and the distal end portion of the balloon adjacent to the stent and extending around the entire circumference of the one of the proximal end portion and the distal end portion of the balloon, the expandable manifold having an axial length less than the axial length of the one of the proximal end portion and the distal end portion of the balloon, the expandable manifold being in fluid communication with the therapeutic agent delivery lumen; and a plurality of infusion elements positioned on an outer circumference of the expandable manifold and in fluid communication with the expandable manifold, wherein the plurality of infusion elements includes an axially oriented delivery position and a radially oriented infusion position, the plurality of infusion elements being configured to move from the axially oriented delivery position to the radially oriented infusion position upon inflation of the one of the proximal end portion and the distal end portion.