On Aug. 6, 1986, Bill Schroeder from Jasper, Indiana, the second human recipient of the Jarvik 7 artificial heart, died after living 620 days. The headstone on Schroeder’s grave is black granite in the shape of two overlapping hearts. One is laser engraved with an image of the Jarvik 7.

Today, the modern version of the Jarvik 7, the SynCardia Total Artificial Heart is the only U.S. Food and Drug Administration (FDA), Health Canada and CE approved Total Artificial Heart in the world. Originally used as a permanent replacement heart, the Total Artificial Heart is currently approved as a bridge to human heart transplant for people dying from end-stage biventricular failure and has been used with more than 850 implants.