HQ: Tucson, Arizona
Website: syncardia.com

SynCardia Systems is a medical technology company focused on developing, manufacturing and marketing the SynCardia Total Artificial Heart, an implantable system designed to assume the full function of a failed human heart in patients suffering from end-stage biventricular (both sides) heart failure.  More than 1,635 implants of the SynCardia Total Artificial Heart account for 560 patient years of life on the device.