A 44-year-old member asked:
what is a dialysis machine based on?
1 doctor answer
Dr. Ronald Hamner answered
42 years experience Nephrology and Dialysis
Countercurrent flow: The dialysis machine is based on pumps that move blood through the artificial kidney (a filter) while making dialysate (a mixture of water and chemicals) to move the opposite direction through that filter. The blood and dialysate are separated by a semipermeable membrane in the filter. By moving in opposite directions, the waste products in the blood tend to go into the dialysate cleaning the body.
Answered on Nov 27, 2013
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