| 摘要 |
<p>A respiratory mask 10 for delivering inspiratory gas to a wearer, the mask comprising a mask body 12 shaped to define a cavity adapted to fit about the mouth and nose of the patient, wherein the mask body comprises a nose cavity portion 18 and a mouth cavity portion 16, the nose cavity portion comprising an gas inlet port 26 and a expiratory gas monitoring port 34 located in the mouth cavity portion, spaced from the inlet port. The exhaled gas monitoring port may comprise an integral connector for a monitoring line and may be used to monitor carbon dioxide levels. The gas monitoring port is located at the intersection of exhaled nasal and oral gases to improve reliability of readings.</p> |
