Usoro ahịrị Ọbara nwere ahịrị akwara na venous, nke a na-eji n'oge dialysis ma tinye ya na AVfistula na dialyzer.Ọbara akwara akwara: akụkụ nke tubing set nke na-ebuga ọbara n'aka onye ọrịa na ọdụ ụgbọ mmiri hemodialyzer.