Artificial heart was named after its manager. Graduate student Robert Jarvik was the project manager for the artificial heart, which was subsequently renamed the Jarvik 7. In 1981, William DeVries submitted a request to the FDA for permission to implant the Jarvik 7 into a human being. On December 2, 1982, Kolff implanted the Jarvik 7 artificial heart into Barney Clark, a dentist from Seattle who was suffering from severe congestive heart failure. Clark lived for 112 days tethered to an external pneumatic compressor, a device weighing some , but during that time he suffered prolonged periods of confusion and a number
Artificial human companion Artificial human companion Artificial human companions may be any kind of hardware or software creation designed to give companionship to a person. These can include digital pets, such as the popular Tamagotchi, or robots, such as the Sony AIBO. Virtual companions can be used as a form of entertainment, or they can be medical or functional, to assist the elderly in maintaining an acceptable standard of life. Senior citizens make up an increasing percentage of the population in the Western nations, and, according to Judith Masthoff of the University of Brighton, they tend to live alone and have a limited