Our group Complex Materials in ETH Zurich have been collaborating with Strait Access Technologies (Cape Town) to develop a custom fit, fully 3D printed Heart Valve.

Full Details :
Bioinspired Heart Valve Prosthesis made by Silicone Additive Manufacturing
https://doi.org/10.1016/j.matt.2019.05.013

Matter (Cell Press) Volume 1, Issue 1.

Fergal B.Coulter, Manuel Schaffner, Jakob A. Faber, Ahmad Rafsanjani, Robin Smith, Harish Appa, Peter Zilla, Deon Bezuidenhout, André R.Studart

HIGHLIGHTS :
Multi-material additive manufacturing of patient-specific shaped heart valves.
Fiber-reinforced valves with low mechanical stresses and excellent hemodynamics
Elastomeric printing enables mechanical matching with the host biological tissue