Iyi China inonzi anesthesia breathing circuit sefa inogadzirwa nefekitari ine mukurumbira uye yakagadzirirwa kusefa kunze zvinosvibisa, kuve nechokwadi chemhepo yakachena uye yakachengeteka kuvarwere panguva yekuvhiyiwa.Yakagadzirwa kubva kumhando yepamusoro uye inowirirana nemichina yakasiyana-siyana yeanesthesia uye ventilators.Iyo sefa ine yakaderera kuramba kuyerera kwemhepo, ichiva nechokwadi chekushomeka pakuita kwemuchina.Zviri nyore kuisa nekutsiva, zvichiita kuti zvive nyore uye zvinodhura mhinduro yezvivakwa zvehutano.