本文件规定了用于家庭护理和医院环境的低流量鼻腔插管的要求，以进行氧气治疗。 本文件不包括防止管道内火灾扩散的要求，但规定了可用于安装消防活性氧切断装置的用户可拆卸连接。

This document specifies requirements for low-flow nasal cannulae, used in both home care and hospital environments for the administration of oxygen therapy. This document does not include requirements to prevent the proliferation of fire within the tubing but does specify a user-detachable connection that can be used to fit a fire-activated oxygen shut-off device.