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It is a machine that performs the task of your kidneys. Because you Kidneys don't work you can not get rid of the impurities and excess water in you blood. So by first off mixing up a solution similar to that of healthy blood and then pumping blood out of the body and one way through an external filter and the solution (mixed by the machine) the opposite way through the filter, it is then "osmosis" takes place and all the "bad stuff" gets sucked from the blood through a membrane (external filter) and washed to drain with the spent solution, and the "clean blood is returned to the body. This is basic dialysis, The machine has the task of maintaining quality of the Dialysate solution (temp, conductivity, flow rate etc..) as well as the blood (temp, blood flow speed etc..) also by using sensors pre external filter it takes a measurement and compares it to a measurement taken post filter before the blood is returned and will give you your "clearance" and indication of the efficiency of you treatment. The machine can also perform ultra filtration, this means sucking excess fluid off that would usually be passed in urine. This is my very very basic explanation of how it all works, hope it helps, cheers Simple - filter blood

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16y ago

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