Figure 1From: Towards real-time cardiovascular magnetic resonance-guided transarterial aortic valve implantation: In vitro evaluation and modification of existing devicesTAVI Devices. Photograph of the two commercially available devices for transarterial aortic valve implantation: the balloon-expandable, stainless steel-based Edwards SAPIEN™ stent-valve and its dedicated transfemoral RetroFlex delivery system (top) as well as the self-expandable, nitinol-based Medtronic CoreValve® bioprosthesis and its original delivery catheter (bottom).Back to article page