Robert Jarvik animal in the lab for 10 days. Kolff assigned Jarvik to design a new heart that would overcome the problems of the Kwan-Gett heart, eventually culminating with the Jarvik-7 device. In 1982, the team carried out an artificial heart implant - the second ever, 13 years after Domingo Liotta and Denton Cooley's first in 1969. William DeVries first implanted the Jarvik-7 into retired dentist Barney Clark at the University of Utah on December 2, 1982. Clark required frequent visits to the hospital for the next 112 days, after which he died. During frequent press conferences to update the patient's condition,
Ray Liotta guest appearance on the "SpongeBob SquarePants" episode "What Ever Happened to SpongeBob?"; in the episode, he voices the leader of a gang called the Bubble Poppin’ Boys, who try to kill an amnesiac SpongeBob (voiced by Tom Kenny) because bubble blowing is illegal in New Kelp City, but they get blown away by him, and SpongeBob becomes the new mayor of the city; the episode also had Liotta work with another legendary actor, Clancy Brown, who voices Mr. Krabs on the show, although their characters don’t share any screen credit. He also appeared in "Crossing Over", co-starring Harrison Ford. Liotta