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  2. Artificial heart valve - Wikipedia

    en.wikipedia.org/wiki/Artificial_heart_valve

    The first artificial heart valve was the caged ball valve, a type of ball check valve, in which a ball is housed inside a cage. When the heart contracts and the blood pressure in the chamber of the heart exceeds the pressure on the outside of the chamber, the ball is pushed against the cage and allows blood to flow.

  3. Björk–Shiley valve - Wikipedia

    en.wikipedia.org/wiki/Björk–Shiley_valve

    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 ...

  4. Charles A. Hufnagel - Wikipedia

    en.wikipedia.org/wiki/Charles_A._Hufnagel

    Hufnagel Artificial Heart Valve in the collection of the National Museum of Health and Medicine. Charles A. Hufnagel, M.D. (August 15, 1916 – May 31, 1989) was an American surgeon who invented the first artificial heart valve in the early 1950s. Hufnagel was born in Louisville, Kentucky, and reared in Richmond, Indiana. His father was also a ...

  5. Hancock Aortic Tissue Valve - Wikipedia

    en.wikipedia.org/wiki/Hancock_Aortic_Tissue_Valve

    Prosthetic heart valves, including the Hancock Aortic Tissue Valve, are not without drawbacks. Structural degradation is a risk, potentially necessitating reoperation. [ 13 ] [ 3 ] Studies have indicated the need for ongoing research and improvement in bioprosthetic valve technology to address such concerns [ 13 ]

  6. Donald Shiley - Wikipedia

    en.wikipedia.org/wiki/Donald_Shiley

    Shiley began working at Edwards Laboratories, located in Orange County, California, south of Los Angeles, the first manufacturer of artificial heart-valves. [2] Later he established his own company, Shiley Laboratories, in the same area. His first valve was developed together with the American heart-surgeon Kay, and was the first disc heart-valve.

  7. Abbott's heart valve repair device gains US FDA approval - AOL

    www.aol.com/news/abbotts-heart-valve-repair...

    By Puyaan Singh (Reuters) -Abbott Laboratories said on Tuesday the U.S. FDA has approved its heart valve repair device for patients with a potentially fatal heart disease, just months after rival ...

  8. Pericardial heart valves - Wikipedia

    en.wikipedia.org/wiki/Pericardial_heart_valves

    Both mechanical prosthetic devices and tissue heart valves are affected. The incidence of endocarditis, in western countries, ranges from 1.5 to 6.2 cases per 100,000 people per annum. The cumulative rate of prosthetic valve endocarditis is 1.5 to 3.0% at one year following valve replacement and 3 to 6% at five years, the risk being the ...

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