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An Initial Evaluation of a Novel Anesthetic Scavenging Interface
Anesthesia & Analgesia, 10/26/2011
Exclusive author commentary
Barwise JA et al. – The use of the interface in a suite of 4 operating rooms reduced scavenging flow from a constant 37L/min to a value equal to the fresh gas flow (usually 2L/min) for each anesthesia machine. Using the ventilator increased this flow by approximately 6L/min because of the exhaust of ventilator drive gas into the scavenging circuit. Daytime workload of the central vacuum pump decreased from 92% to 12% (expressed as duty cycle). The new system produces energy savings and may increase vacuum pump lifespan.
James M. Berry (10/26/2011) comments:
This is the first improvement to OR anesthetic scavenging in decades. The use of a demand system reduces the overhead costs of an anesthetic evac system by 80-90%. This is very important to outpatient surgery centers who share vacuum with medical suction users as well as larger hospitals with dedicated anesthetic evac pumps. This technology is now available through http://www.gasrecycler.com