A “Chinese heart” could be helping to save lives in the United States despite efforts to decouple the two countries’ biotechnology sectors as a result of rising political tensions.The fully magnetically levitated pump, which is slightly bigger than a table tennis ball, has been fitted to more than 100 patients with advanced heart failure across the United States as part of a nationwide clinical trial.The BrioVAD is a left ventricular assist device (LVAD) that helps pump oxygen-rich blood to...