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Area Decontamination Technology Protects Against HAIs

By HospiMedica International staff writers
Posted on 19 Oct 2014
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Image: The GLOSAIR automated area decontamination solution (Photo courtesy of ASP).
Image: The GLOSAIR automated area decontamination solution (Photo courtesy of ASP).
An automated decontamination solution provides a safe, effective, and convenient method for the control of environmental pathogens.

The Glosair automated area decontamination solution is designed for small (10 m³) to large (200 m³) spaces in environments such as hospitals and healthcare facilities, and is intended for regular use as part of an infection prevention program that includes traditional manual cleaning methods. The 48-kg device is wheeled into a room and put on an automated cycle; a 5%–6% hydrogen peroxide (H2O2) mist is then dispersed to decontaminate hospital areas, including high-touch, hard-to-reach, and hidden areas, without leaving wet residues. The mist also contains a low dose of silver cations that contribute to inactivation by inhibition of pathogen protein synthesis.

The unique combination of H2O2 and silver cations provides an effective dual mechanism for the destruction of microorganisms involved in hospital acquired infections (HAIs). Studies have shown that the GLOSAIR system is effective against a broad range of pathogens, including bacteria, fungi, and spores, and in a range of different healthcare environments. The GLOSAIR automated area decontamination system is a product of Advanced Sterilization Products (ASP; Irvine, CA, USA). The decontamination solution is provided in sealed cartridges that lock into place, without exposing hospital staff to H2O2.

“Think of it as a hard-case golf bag. Inside, hydrogen peroxide at five per cent is aerosolized to create a mist,” said Brian Langer, former research and development director at ASP. “The nozzle shoots out compressed air, then the hydrogen peroxide is introduced, a bit like a carburetor on a car.”

H2O2 is a strong oxidant that is most often used to sterilize heat or temperature sensitive articles such as rigid endoscopes. The biggest advantage of H2O2 as a sterilant is the short cycle time, but there are also drawbacks, such as material compatibility issues. For example, paper products cannot be sterilized due to a process called cellulostics, in which the H2O2 is completely absorbed by the paper product.

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