Cardiac Dimensions, a leader in the development of innovative, minimally invasive treatment modalities to address heart failure and related cardiovascular conditions, today announced it has closed a $35 million Series D financing round. The financing was co-led by existing investor Horizon 3 Healthcare and an undisclosed strategic investor, with all other existing investors participating, including Arboretum Ventures, Hostplus, EQT Life Sciences (formerly LSP), Lumira Ventures, and M. H. Carnegie & Co.

Cardiac Dimensions is a leader in the development of innovative, minimally invasive treatment modalities to address heart failure and related cardiovascular conditions. Left untreated, secondary mitral regurgitation contributes to heart failure, a chronic, progressive condition that weakens the heart and makes everyday activities difficult. The Carillon system addresses the underlying mechanical problem of secondary mitral regurgitation with a catheter-based alternative to medications and invasive surgery.