Jarvik-7 artificial heart (1982)
Barney Clark, a 61-year-old dentist, received the Jarvik-7 artificial heart at the University of Utah. He lived 112 days with the device, which was powered by an external air compressor.
Clark died from multiple organ failure, but the device proved mechanical hearts could sustain life.
The Jarvik-7 was later used as a bridge to transplant, and ventricular assist devices became standard for patients awaiting heart transplants.
Like the Jarvik-7, pig kidneys are being tested as a bridge to human transplantation, with the open question of whether they can become destination therapy.
