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Prepare Any Anesthesia Machine for Susceptible Patients in Less than 60 Seconds Newer anesthesia gas machines contain plastic and elastomeric components that absorb volatile anesthetics and then release residual vapor during subsequent anesthetic procedures. The anesthesia gas machine requires high flows and a lengthy time period to remove most of the vapor before the machine can be used for a patient that cannot tolerate breathing trace amounts of volatile anesthetic vapor. The Vapor-Clean filters absorb the trace amounts of isoflurane, sevoflurane and desflurane so that anesthetic vapors do not reach the patient. Placement of the Vapor-Clean filter canisters on the anesthesia machine allows the machine to be vapor-free (less than 5 parts per million of vapor) within 90 seconds. See the study released June, 2011 in Anesthesia & Analgesia:
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