Domingo Liotta shortly thereafter. 1962 (May): Prolonged assisted circulation during and after cardiac and aortic surgery. Prolonged partial left ventricular bypass by means of intracorporeal circulation. It was selected as Finalist for the Young Investigators´ Contest Award (Denver) of the American College of Cardiology. 1964: Annual Award, Southwestern Surgical Society, USA. Shared with C. William Hall and Michael E. DeBakey.1968: Golden Eagle Award, Council of International Nontheatrical Events, USA, shared with Denton A. Cooley, Robert Bloodwell, and Grady Hallman. 1969: Award of Merit, American Medical Association shared with Denton A. Cooley, MD. 1969: Decoration of the Institute of Spanish Culture, Madrid, Spain.
MD Helicopters MD 500 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. The series currently includes the MD 500E, MD 520N, and MD 530F. The successful Hughes 500/MD 500 series began life in response to a U.S. Army requirement for a Light Observation Helicopter (LOH). Hughes' Model 369 won the contest against competition from Bell and Hiller. The subsequent OH-6 Cayuse first flew in February 1963. The 500 series design features shock-absorbing landing