This document specifies the requirements for oropharyngeal airways made of plastic and/or rubber materials, including oropharyngeal airways with reinforced inserts made of plastic and/or metal materials. This document does not specify flammability requirements for oropharyngeal airways. This document does not apply to metallic oropharyngeal airways and upper laryngeal airways without internal, integral sealing devices.
YY/T 0977-2023 history
2023YY/T 0977-2023 Anesthesia and Respiratory Equipment Oropharyngeal Airways
2016YY/T 0977-2016 Anaesthetic and respiratory equipment.Oropharyngeal airways