YY/T 0337-2025 Anaesthetic and respiratory equipment—Tracheal tubes and connectors
YY/T 0337-2025 Anaesthetic and respiratory equipment—Tracheal tubes and connectors
Basic Information
Scope
This document specifies the basic safety and performance requirements for tracheal cannulas used for oral and nasal intubation, tracheal cannulas with metal or plastic reinforcement in the tube wall, tracheal cannulas with shoulders, conical tracheal cannulas, tracheal cannulas with suction, monitoring, or drug delivery functions, as well as various other specialized tracheal cannulas designed for specific purposes.
This document applies to the aforementioned tracheal cannulas.
This document does not apply to tracheal bronchial catheters (including bronchial inner tubes) (see YY/T 0490), tracheotomy cannulas and connectors (see YY/T 0338), or upper airway ventilation devices (see YY/T 0985).
This document does not apply to tracheal cannulas used with flammable anesthetic gases or drugs, laser or surgical electrical equipment.
Note 1: Appendix A section A.2 provides guidance or basic principles related to this chapter.
Note 2: ISO 11990-1, ISO 11990-2 and ISO 14408 are related to airway laser surgery.