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He was the lead designer of the Jarvik-7, a controversial plastic and metal device intended to permanently replace an ailing human heart.

On Dec. 2, 1982, Dr. William C. DeVries led the surgical team that implanted the Jarvik-7 model in Barney Clark, a 61-year-old retired dentist.

Dr. Robert Jarvik, developer of artificial hearts, speaks on Jan. 30, 2007, at the Smithsonian's Air and Space Museum in Washington, D.C. Jarvik donated the Jarvik 2000 FlowMaker and loaned the Jarvik ...

It was implanted in Barney Clark, a 61-year-old retired dentist, on Dec. 2, 1982, at the University of Utah. The surgery was led by Dr. William C. DeVries.

The Jarvik-7 artificial heart, made of aluminum and plastic, was implanted in 1982 in a retired Des Moines, Wash., dentist, Barney Clark. He lived for 112 days.

(Forrest Anderson |AP) Dr. Robert Jarvik, inventor of the artificial heart, Jarvik-7, holds up a model like the one implanted in Barney Clark in Salt Lake City, on Dec. 3, 1982.

It was implanted in Barney Clark, a 61-year-old retired dentist, on Dec. 2, 1982, at the University of Utah. The surgery was led by Dr. William C. DeVries. Clark had severe heart disease and was weeks ...