Seems that the article is a bit outdated. Carmat total artificial heart already had patient with at least 20 months of survival (it is currently used as a bridge until transplantation). * https://www.bfmtv.com/economie/entreprises/services/carmat-u... (20 months in French) https://www.carmatsa.com/en/news/carmat-feedback-6-years-8-m... (latest study results)