Bjork-Shiley Convexo-Concave Heart Valve

Description (Brief)
This Björk-Shiley 60-degree mitral Convexo-Concave heart valve has a tilting carbon disk and a Teflon fabric suture ring. The valve ran into problems when the weld joint fractured. This problem was resolved with a free-floating disk.
Currently not on view
Object Name
artificial heart valve
date made
ca 1980
Shiley Incorporated
Physical Description
carbon (overall material)
teflon (overall material)
overall: 1 1/4 in x 1 3/4 in x 2 5/8 in; 3.175 cm x 4.445 cm x 6.6675 cm
overall: .6 cm x 3.4 cm; 1/4 in x 1 5/16 in
place made
United States: California, Irvine
location of prior holder
United States: California, Irvine
ID Number
accession number
catalog number
Artificial Heart Valves
Health & Medicine
See more items in
Medicine and Science: Medicine
Artificial Heart Valves
Data Source
National Museum of American History, Kenneth E. Behring Center
Credit Line
Shiley Incorporated

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