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Jarvik‑7

American  
[jahr-vik-sev-uhn] / ˈdʒɑr vɪkˈsɛv ən /
Medicine/Medical, Trademark.
  1. a four-valved artificial heart for implantation in the human body, replacing the natural heart's ventricles and attaching to its atria: air is pumped into the ventricles from an external air compressor through two connecting hoses that enter the body through the abdominal wall.