ARTIFICIAL KIDNEY
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Abstract
IN AN ARTIFICIAL KIDNEY, A DIALYSATE CONCENTRATE LIQUID AND HEATED TAP WATER ARE FED SEPARATELY BY PUMPS IN FIXED PROPORTIONS TO A MIXING VENTURI WHERE THE WATER AND LIQUID ARE COMBINED TO FORM A DIALYSATE SOLUTION. IN ORDER TO REMOVE FROM THE DIALYSATE SOLUTION A DESIRED PORTION OF AIR WHICH HAS BEEN INTRODUCED THEREIN FROM THE WATER, THE HEATED WATER IS PASSED THROUGH A POSITIVE DISPLACEMENT
PUMP HAVING A RESTRICTED ORIFICE BYPASS LINE BEFORE IT ARRIVES AT THE MIXING VENTURI. THIS CAUSES CONSOLIDATION OF THE AIR FROM SMALL TO LARGE BUBBLES WHICH ARE REMOVED BY A BUBBLE TRAP. THE RESULTING DEARATED SOLUTION IS THEN ADVANCED THROUGH A HEADER TO BRANCH LINES TO DIALYZERS.
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