Patent ID: 6976983

Claim:
An implantable device for delivering a drug comprising: a housing; a source of drug contained within the housing; (i) an inner member having a proximal end and a distal end; (ii) a winding helically wound around the inner member; (iii) the winding and the inner member defining a first channel having a helical flowpath following the curvature of the winding for carrying the drug therethrough and an inlet at the proximal end of the winding and an outlet at the distal end of the winding; and the drug being carried along the helical flowpath and dispensed outside of the housing, wherein the drug is carried through the first channel from the inlet at the proximal end of the winding to the outlet at the distal end of the winding, and the drug dispensing from the device at the outlet at the distal end of the winding and the opening in the distal end of the body.