CardioFocus

Founded in 1990 and headquartered in Marlborough, Mass., CardioFocus is a medical device innovator and manufacturer dedicated to advancing ablation treatment for cardiac disorders such as atrial fibrillation (AFib), the most common heart arrhythmia. The company's product, the HeartLight Endoscopic Ablation System, is a revolutionary catheter ablation technology that features an ultra-compliant balloon, which along with direct visualization and titratable laser energy, represents a new standard for AFib ablation. The HeartLight balloon catheter, endoscope, sheath, console and balloon fill media are all manufactured in the US.