#$%^&*AU2017201827A120171012.pdf#####ABSTRACT This disclosure is directed to a diagnostic catheter having an improved irrigation system for reducing thrombus formation. The catheter may have an irrigated electrode assembly with a plurality of spines, each with a plurality of irrigation ports to flush the device and reduce the risk of thrombus formation.~/LA 16 RA i: U4/1~I A; *4 R' t R / yIlls $ FIG. 8