PENTARAY NAV High-Density Mapping Catheter and PENTARAY NAV ECO Catheter, Catalog No. D128201, D128202, D128204, D128205, D128207, D128208, D128210, D128211. || The Biosense Webster PENTARAY NAV High-Density Mapping Catheter is indicated for multiple electrode electrophysiological mapping of cardiac structures in the heart, i.e., recording or stimulation only. This catheter is intended to obtain electrograms in the atrial and ventricular regions of the heart.