This standard specifies the specifications, design and labeling requirements for tracheobronchial tubes, including requirements for the color identification of bronchial cuffs and their indicator balloons. This standard does not apply to tracheobronchial tubes with bronchial obstruction devices.
YY/T 0490-2017 history
2018YY/T 0490-2017 Tracheobronchial tubes-Recommendations for size designation and labelling
2004YY/T 0490-2004 Tracheobronchial tubes-Recommendations for size designation and labelling