000006817 001__ 6817 000006817 005__ 20230914041936.0 000006817 0247_ $$2DOI$$a10.6083/M4B27SZB 000006817 037__ $$aDA 000006817 245__ $$aArtificial heart valves 000006817 336__ $$aStill image 000006817 520__ $$aDigital scan of a 35mm slide. Black-and-white side-by-side comparison of two models of disc-type artificial heart valves. On the left is "Model 6500" with stellite disc. On the right is "Model 6520" with a disc of UHDP (ultra high density plastic). Both models have metal cages with white mesh cloth-covered rings. 000006817 540__ $$fCC BY 000006817 542__ $$fIn Copyright 000006817 650__ $$aHeart Valve Prosthesis$$019956 000006817 8564_ $$9d47fc985-ace2-4cb2-b34d-a938d57784bf$$s56818$$uhttps://digitalcollections.ohsu.edu/record/6817/files/0f575135bf7a787beb58d7d39778a69e.jpg 000006817 905__ $$a/rest/prod/h7/02/q6/95/h702q695p 000006817 980__ $$aHistorical Image Collection