The ALLEGRA™ TAVI System TF has been designed for uncompromised hemodynamic performance with single digit mean pressure gradients and high effective orifice areas.

The ALLEGRA™ TAVI System TF is a catheter-based transfemoral heart valve system. It is indicated for the treatment of severe calcified aortic valve stenosis in high risk patients with elevated surgical risk or in patients with a symptomatic degeneration of an aortic valve bioprosthesis.