Key Takeaways Abbott gains FDA approval for its Tendyne TMVR system targeting severe mitral annular calcification.Tendyne offers a minimally invasive alternative for high-risk patients unable to undergo open-heart surgery.ABT system's unique, repositionable design adapts to various anatomies for optimal patient outcomes.Abbott Laboratories (ABT) recently received Food and Drug Administration (“FDA”) approval for its Tendyne transcatheter mitral valve replacement (TMVR) system. The Tendyne system replaces mi ...