Dera la HME anesthesia ndi chipangizo chachipatala chomwe chimagwiritsidwa ntchito popangira opaleshoni kwa odwala panthawi ya opaleshoni.Zimapangidwa ndi mpweya wopumira, womwe umaphatikizapo machubu, zolumikizira, ndi thumba lopumira, komanso fyuluta ya kutentha ndi chinyezi (HME).Fyuluta ya HME imathandizira kunyowetsa ndi kutenthetsa mpweya wouziridwa, kuchepetsa chiopsezo cha zovuta zapanjira.Derali ndiloyenera kugwiritsidwa ntchito kwa akuluakulu ndi odwala ndipo lingagwiritsidwe ntchito ndi machitidwe osiyanasiyana operekera opaleshoni.Ndiwopanda latex komanso wotayika, kuonetsetsa chitetezo cha odwala komanso kupewa matenda.