Biosense Webster is recognized worldwide as a leader in the science behind the diagnosis and treatment of cardiac arrhythmias.The first useful deflectable tip catheter was pioneered by Will Webster more than three decades ago. Ever since, Biosense Webster has defined the state of design and craftsmanship in diagnostic and therapeutic cardiac catheters. In fact, we offer more electrophysiology catheter designs than anyone else in the industry. But beyond numbers, our continuous pursuit of practical innovation has led to a steady flow of breakthrough designs.