The machine at right in the image below appears to be a Travenol-type artificial kidney. Hemodilaysis machines were invented in the Netherlands in the late 1930’s but weren’t produced commercially until the mid-1950’s. They were originally used to treat acute cases such as mismatched blood transfusions and overdoses, but by the 1960’s had gained acceptance for use in long-term renal disease patients. See more at Centennial Photo Display: 1960’s, Part III.
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"A patient undergoing Hemodialysis at St. Luke's Episcopal Hospital" (1964). Library Exhibit Images. 196.