本文件规定了由柔性材料制成的用于呼吸道抽吸的开放式和封闭式吸引导管的尺寸和要求。 本文件不包括用于易燃麻醉气体或药剂、激光或电外科设备的吸引导管。 注:上气道激光手术期间气道管理指南，见ISO/TR 11991[4]。

This document specifies dimensions and requirements for both open and closed suction catheters made of flexible materials and intended for use in suctioning of the respiratory tract. Suction catheters intended for use with flammable anaesthetic gases or agents, lasers or electrosurgical equipment are not covered by this document. NOTE For guidance on airway management during laser surgery of the upper airway, see ISO/TR 11991[4].