"The procedure of cleansing of the blood through the use of a machine instead of the kidney is called"

Hemodialysis.

Explanation:

Hemodialysis is a medical approach also called artificial kidney that uses machine to to draw out blood , filter the blood by removing waste product and toxins and send it to another part of the machine that will send the blood back to the body.

This is use when the kidney cannot perform this function on its own.

The machine is called hemodialyser.

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