TMVR SAPIEN M3 TMVR System Name SAPIEN M3 TMVR System Category Structural Heart Tags TMVR Brief Touch more lives. Treat more MR. The first and only approved transseptal approach to mitral valve replacement. Manufacturer Edwards Lifesciences Tendyne™ TMVR System Name Tendyne™ TMVR System Category Structural Heart Tags TMVR Brief Tendyne™ Transcatheter Mitral Valve Replacement (TMVR) is the first US-Approved TMVR system. Manufacturer Abbott