I-HME anesthesia circuit iyisisetshenziswa sezokwelapha esisetshenziselwa ukuphatha izinzwa ezigulini ngesikhathi sokuhlinzwa.Iqukethe umjikelezo wokuphefumula, ohlanganisa ishubhu, izixhumi, nesikhwama sokuphefumula, kanye nesihlungi sokushisa nokuswakama (HME).Isihlungi se-HME sisiza ukuthulisa nokufudumala amagesi aphefumulelwe, sinciphise ubungozi bezinkinga zomoya.Lesi sifunda silungele ukusetshenziswa kuzo zombili iziguli zabantu abadala kanye nezingane futhi singasetshenziswa nezinhlelo ezihlukahlukene zokulethwa kwe-anesthesia.Ayinayo i-latex futhi iyalahlwa, iqinisekisa ukuphepha kwesiguli kanye nokulawulwa kokutheleleka.