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Björk–Shiley valve, as depicted in patent #US003824629. The Björk–Shiley valve is a mechanical artificial heart valve. The valve was co-invented by American engineer Donald Shiley and Swedish heart surgeon Viking Björk. Beginning in 1971, it has been used to replace aortic valves and mitral valves. It was the first successful tilting ...
The Sorin Group was a medical products group based in Italy, with significant operations in France, the United States, and Japan, specializing in cardiac devices. [1] Its product lines include [2] replacement heart valves, oxygenators, perfusion tubing sets, cardiothoracic surgery accessories, data monitoring, heart-lung machines, autotransfusion systems, and cannulae, and a line of blood ...
Shiley may refer to: Bjork–Shiley valve, mechanical heart valve prosthesis; Donald Shiley, one of the co-inventors of Pfizer's Bjork-Shiley heart valve;
Donald Pearce Shiley (January 19, 1920 – July 31, 2010) was the inventor of the Bjork–Shiley valve, a prosthetic heart valve. He was a 1951 alumnus of the University of Portland , where he studied engineering.
Pfizer laboratories, the drug manufacturer and owner of Shiley, stopped all manufacturing activities of Shiley Laboratory, with a view to liquidate the company. Consequently, not only was the Bjork-Shiley valve (the culprit) affected by this action, but all other products – valves, oxygenators, catheters, etc. - went out of production.
In 1968, he collaborated with American engineer Donald Shiley to develop the Björk–Shiley valve, a mechanical prosthetic heart valve. It was the first "tilting disc valve", used to replace the aortic or mitral valve. Many modifications followed, including the convexo-concave valve. The convexo-concave valve had defects in form of strut ...
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