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,
Animal welfare and rights in Argentina recognized the basic legal rights of an orangutan named Sandra who was born in a zoo. An advocacy group filed a petition for a writ of habeas corpus on Sandra's behalf, resulting in the court's declaration that the animal is a "non-human person". Animal welfare and rights in Argentina Animal welfare and rights in Argentina is about laws concerning and treatment of non-human animals in Argentina. Argentina has weak protections for animals by international standards. Argentina's Law 14246 (1954) prohibits cruelty toward animals. This does not include harm caused by failure to act, and it is not clear which animals