• blood
  • Means (22, 25) are provided for controlling the flow rate (Q A ) of a sterile solution containing a substance (A) to be perfused into the circuit (5, 7) for conveying a flow of blood outside the body, which flow rate is controlled as a function of the flow rate (Q OUT ) of waste liquid. (google.com)
  • Hemodialysis is a method for removing waste products such as creatinine and urea, as well as free water from the blood when the kidneys are in kidney failure. (wikipedia.org)