| 摘要 |
A device for the delivery of gas including anaesthetic vapours particularly to children comprises a teat (6), body (1) and seal (2) closely applied to the face, sealing without excessive pressure around the nose to prevent the escape of gases towards the eyes. The seal may encircle the oral as well as nasal airway. The mask is largely retained by the child although straps may be provided. Due to the progressive change in the morphology of the face during the first 4 years of life, a range of masks is necessary to ensure an adequate seal. A port and connectors are provided to allow connection to all types of gas delivery tubing or monitoring equipment. An oropharyngeal airway may be substituted for the teat. <IMAGE> |
