An ablation catheter, wherein said catheter includes: a flexible elongated member having a proximal end and a distal end, wherein said member defines a irrigation lumen along its length and the elongated member encapsulates at least one wire； and wherein at least one electrode is attached to the outer surface of elongated member near to the distal end and said electrode is electrically connected to at least one wire and wherein said electrode includes plurality of holes that are in fluid communication with the irrigation lumen.
