Removing nitrogen oxide from air exhaled by patients under anaesthetic - reduces environmental pollution affecting climate

摘要

The exhaled air from patients connected to an anaesthetic appts. is withdrawn and passed to a central device for removal of N2O. the withdrawn air may be passed through a drier to remove moisture prior to N2O removal. USE/ADVANTAGE - Exhaled air from patients under anaesthetic is enriched in N2O. Removal of this N2O protects operating theatre staff from breathing in excess N2O and prevents the N2O escaping into the atmos. where it contributes to the "greenhouse effect".