Esi sixhobo sisetyenziswa kunye ne-anesthetic apparatus kunye ne-ventilators njengekhonkco lomoya ukuthumela iigesi ze-anesthetic, i-oksijini kunye nezinye iigesi zonyango emzimbeni wesigulane. Isebenza ngakumbi kwizigulana ezinemfuno enkulu yokuhamba kwegesi ekhanyayo (FGF), njengabantwana, izigulane zomoya omnye womphunga (OLV).