X-Nico

Donald Shiley

Some years later, Shiley improved his design in cooperation with Swedish heart surgeon Viking Björk, which led to the first tilting disc heart-valve, resulting in a much better flow of blood through the valve.

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Shiley Labs developed and manufactured other products, especially tracheal and endotracheal tubes for respiration after surgery in the mouth or throat, and during anesthesia.

Shiley

Donald Shiley, one of the co-inventors of Pfizer's Bjork-Shiley heart valve

Viking Björk

In 1968, he collaborated with American engineer Donald Shiley to develop the first "monostrut tilting disc valve" used to replace the aortic or mitral valve.

see also