RecruitingDevice studyThe Half Moon Transcatheter Mitral Valve Repair (TMVr) Pilot StudyThe study is a prospective, multi-center, single-arm, non-randomized, Early Feasibility Study (EFS) to evaluate the safety and performance of the Half Moon TMVr System in patients with severe, symptomatic mitral regurgitation, who are at high risk for conventional mitral valve surgery.