Igwe hemodialysis bụ igwe eji eme dialysis iji nzacha ọbara onye ọrịa iji wepu oke mmiri na ihe mkpofu mgbe akụrụ mebiri emebi, arụghị ọrụ ma ọ bụ mfu. Enwere ike were igwe dialysis n'onwe ya dị ka akụrụ arụrụ arụ. A na-akwado dialysis concentrate na dialysis mmiri ka ọ bụrụ dialysate tozuru oke site na sistemụ ọkọnọ dialysate, a na-eji ọbara onye ọrịa ewepụtara na sistemụ nleba anya ọbara maka mgbasa nke solute, permeation na ultrafiltration site na hemodialyzer ; Ọbara onye ọrịa na-agafe n'ọbara mgbe emechara ihe, usoro mkpu nlekota na-alaghachi n'ahụ onye ọrịa, na mmiri mgbe dialysis na-ahapụ ya site na sistem dialysis nke na-enye mmiri dị ka ihe mkpofu; okirikiri ahụ na-aga n'ihu na-emecha usoro dialysis niile.