Figure 1. Available (Left) and Under Development (Right) Prosthetic Aortic Valve Technologies.

Photographs adapted and modified from Figure 5 of Spühler et al.⁶ [CC BY 4.0], Figure 1 of Capelli et al.⁷ [CC BY 4.0], Figure 6 of Ghanbari et al.⁸ [CC BY-NC 3.0], and Figure 1 of Sanders et al.⁹ [CC BY 4.0].