Digital scan of a 35mm slide. Image of an artificial heart valve showing extensive wear after implantation. Tissue partially covers the metal of the cage and fills most o [...]

Digital scan of a 35mm slide. Image of a disc-style artificial heart valve showing extensive wear after implantation. Tissue covers the metal of the cage and portions of [...]

Digital scan of a 35mm slide. Image of a ball-and-cage style artificial heart valve with protruding metal hooks. The plastic ball has been removed and set next to the cag [...]

Digital scan of a 35mm slide. Image of an implanted ball-and-cage style artificial heart valve. The metal ball is enclosed in a tissue-covered cage.

Digital scan of a 35mm slide. Image of two artificial aortic heart valves placed side-bi-side on an orange-red background. They have been set to show bottom and top views [...]

Digital scan of a 35mm slide. Two ball-and-cage style artificial heart valves are shown against a red background. The metal cages, with white mesh cloth-covered rings, en [...]

Digital scan of a 35mm slide. Image of a ball-and-cage style artificial heart valve, shown from the bottom. The metal ball is reflecting the camera used to take the pictu [...]

Digital 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. [...]

Digital scan of a 35mm slide. Image of an artificial heart valve, removed after implantation. The valve is covered in tissue and rests on a light blue background. A typed [...]

Digital scan of a 35mm slide. Close-up image of an artificial heart valve being implanted.