hemoperfusion
noun
he·mo·per·fu·sion
variants:
or chiefly British haemoperfusion \ ˌhē-mō-pər-ˈfyü-zhən 
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Medical Definition of hemoperfusion
: blood cleansing by adsorption on an extracorporeal medium (as activated charcoal) of impurities of larger molecular size than are removed by dialysis