Left image shows 3 dialysis machines in a hallway, right image shows an artificial kidney device. Left image: By Irvin calicut (Own work) [CC BY-SA 3.0 (http://creativecommons.org/licenses/by-sa/3.0)], via Wikimedia Commons. Right image: By Katzze.fritz (Own work) [CC BY-SA 4.0 (http://creativecommons.org/licenses/by-sa/4.0)], via Wikimedia Commons
N. R. Gough, Bionic Organs with Silicon Nanopore Membranes. BioSerendipity (11 September 2017) https://www.bioserendipity.com/2017/09/11/bionic-organs-with-silicon-nanopore-membranes/