Principal Engineer
St. Jude Medical (Endocardial Solutions)
R&D, manufacturing, and blackbelt CI leadership on EnSite Array, next generation EP non-contact mapping catheter, and EnSite cardiac mapping systems• Navigation accuracy: first pre-clinical study across hardware generations• Electrical model creation and pinpointing of error sources: electrodes, patches, amplifier input impedances, patient inhomogeneity• Bifurcated surface patch: invention to improve NavX accuracy (patent)• CO2-TEA laser processes: electrode impedance variability reduction (DOEs), correlation to improve EnSite mapping accuracy• Electrode impedance, laser and wire braiding test methods, controls, specs (e.g. frequency roll-off, laser power, wire curl)• $1MM/yr savings, 6-Sigma projects: Greenbelt-certified, Blackbelt-trained• Leak thru adhesive bond to stainless steel: pressure decay testing, clinical spec; novel adhesive injection to maximize bond length• ETO sterilization: validation of new process challenge device; cycle parameter improvements; ETO residual reduction• Analytical methods: electrochemical impedance spectroscopy (EIS), mass spectroscopy, Auger, TOF-SIMS, FTIR, SEM, and cross-sectioning• Six-sigma Green Belt certified, Black Belt trained