Domingo Liotta his studies, Dr. Liotta was hired at Baylor College of Medicine in Houston Texas as Director of the Artificial Heart Program by Dr. Michael E. DeBakey in 1961. 1961(December): First conception of the prolonged mechanical assist circulation in the treatment of Cardiogenic Shock Postcardiotomy. 1963 (July 19): Left Ventricular Assist Device (LVAD) in a patient in cardiogenic shock postcardiotomy, Domingo Liotta and E. Stanley Crawford at the Methodist Hospital in Houston, Texas. First clinical use. The original clinical prototype is displayed at the Smithsonian Institution, Washington, D.C.. 1966 (April 21): Liotta-DeBakey LVAD implanted in a cardiogenic shock postcardiotomy patient, Methodist
MD Helicopters MD 500 in 1953. Images and analyses done regarding North Korea's MD 500 helicopters show that they have been modified significantly to serve as light attack helicopters, such as modification work on the helicopters for them to be mounted with Soviet-designed AT-3 Sagger anti-tank wire-guided missiles. The MD 500 is widely operated by private individuals, companies and law enforcement agencies around the world. MD Helicopters MD 500 The MD Helicopters MD 500 series is an American family of light utility civilian and military helicopters. The MD 500 was developed from the Hughes 500, a civilian version of the US Army's OH-6A Cayuse/Loach.