000006842 001__ 6842 000006842 005__ 20230914041937.0 000006842 0247_ $$2DOI$$a10.6083/M43F4N86 000006842 037__ $$aDA 000006842 245__ $$aArtificial heart valves 000006842 336__ $$aStill image 000006842 520__ $$aDigital scan of a 35mm slide. Black-and-white comparison of four ball-and-cage style artificial heart valves, labeled A, B, C, and D. A and C have opaque plastic balls, while B has a transparent plastic ball. D has a metal ball. A has a plastic cage with a white mesh cloth-covered ring. B, and C have metal cages with white mesh cloth-covered rings. D has a metal cage entirely covered in white mesh cloth. 000006842 540__ $$fCC BY 000006842 542__ $$fIn Copyright 000006842 650__ $$aHeart Valve Prosthesis$$019956 000006842 8564_ $$959b3e56c-77e4-4899-a950-b06886f6ca96$$s63101$$uhttps://digitalcollections.ohsu.edu/record/6842/files/adf65b8b532685dccb5615f3b335cbce.jpg 000006842 905__ $$a/rest/prod/j9/60/21/09/j9602109t 000006842 980__ $$aHistorical Image Collection