We are developing state-of-the-art minimally invasive surgical methodologies for treating structural heart diseases like Tricuspid Regurgitation (TR), Mitral Regurgitation (MR). And we We have finished first-in-man study and Early Feasibility Study of Pivot Bridge, a trans-catheter device for treating TR. We are based in Korea and the U.S.A. For more details, please visit our web site and refer the articles.