scope:

This standard provides the essential requirements for tracheal tubes and tracheal tube connectors. 154 Tracheal tubes with walls reinforced with metal or nylon, tracheal tubes with shoulders, tapering, tracheal 155 tubes with provision for suctioning or monitoring or delivery of drugs or other gases, and the many other types 156 of tracheal tubes devised for specialized applications are included in this specification, as many specialized 157 tracheal tubes are now commonly used, and all share similar essential requirements as defined in this 158 International Standard. 159 Tracheobronchial (endobronchial) tubes, tracheostomy tubes and supralaryngeal airways are excluded from 160 the scope of this International Standard. 161 Tracheal tubes for use with flammable anaesthetic gases or agents and laser or electrosurgical equipment 162 are not covered by this standard. 163 NOTE ISO 11990-1, ISO 11990-2, and ISO 14408 cover this.