Hana ʻia ʻo Laryngeal Mask Airways no ka hoʻohana hoʻokahi mai ka lāʻau lapaʻau, loaʻa ka biocompatibility maikaʻi loa.Loaʻa nā huahana i nā ʻano 5: ʻO ka maʻamau PVC Laryngeal Mask Airways-ONE WAY, Normal Silicone laryngeal mask-ONE WAY , Reinforced PVC Laryngeal Mask Airways-TWO WAY, Reinforced Silicone laryngeal mask-TWO WAY, Reinforced Silicone laryngeal mask-ONE WAY).