#dialyzer__dialysis_machine  a medical instrument for separating substances in solution by unequal diffusion through semipermeable membranes
  supertype:  medical_instrument__medicalinstrument  instrument used in the practice of medicine
  subtype:  artificial_kidney__hemodialyzer  a machine that uses dialysis to remove impurities and waste products from the bloodstream before returning the blood to the patient's body

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