A Smaller, Sleeker Heart Pump
Back in 1982, Barney Clark, a 61-year-old dentist, was implanted with the world's first artificial heart, the Jarvik-7, a cumbersome piece of equipment with complicated external mechanisms. The device, which extended Clark's life for 112 days, required the patient to be hooked up, via hose-like tubes emerging from his chest, to a machine the size of a laundry dryer. The machine supplied bursts of air that helped to pump the mechanical heart.
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