(BUSINESS WIRE)--BIOTRONIK SE Co. & KG highlights two key milestones toward receiving premarket approval (PMA) of the TactiCath, a novel technology for treating atrial fibrillation (AF): FDA IDE (investigational device exemption) approval and the first patient enrollment of the TOCCASTAR (TactiCath Contact Force Ablation Catheter Study for Atrial Fibrillation) clinical trial.