A na-eme ụgbọ elu Laryngeal Mask Airways maka otu ojiji sitere na akụrụngwa ọkwa ahụike, nwere ọmarịcha biocompatibility.Ngwaahịa nwere ụdị 5: Nkịtị PVC Laryngeal Mask Airways-OTU WAY, Nkịtị Silicone laryngeal mask-ONE WAY , PVC Laryngeal Mask Airways siri ike-Ụzọ abụọ, Mkpuchi Silicone laryngeal mkpuchi-Ụzọ abụọ, Mkpuchi Silicone laryngeal mask-OTU WAY).