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Continuous Environmental Disinfection

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Indigo-Clean™, a light fixture that installs easily into the ceiling of any room, uses light-emitting diodes (LEDs) with a wavelength output of 405 nanometers (nm) to automatically, safely and continuously inactivate a range of harmful bacteria that are known causes of healthcare-acquired infections (HAIs).

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Indigo-Clean destroy's a wide range of prokaryotic and eukaryotic microbial species, including resistant forms such MRSA (Methicillin-resistant Staphylococcus aureus), and VRE (Vancomycin-resistant Enterococcus) are among the organisms destroyed.

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1. The 405nm emitted from Indigo-Clean reflects off of walls and surfaces, penetrating harmful micro-organisms.

2. The light targets naturally occurring molecules called porphyrins that exist inside bacteria. The light is absorbed and the excited molecules produce Reactive Oxygen Species (ROS) inside the cell.

3. 405nm creates a chemical reaction inside the cell, similar to the effects of bleach.

4. The Reactive Oxygen Species inactivates the bacteria, preventing it from re-populating the space.

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Clinical testing has shown Indigo-Clean™ to be a safe means to hospital disinfection. This 405 nm light system has the capability to provide continuous disinfection of air and exposed surfaces in occupied areas of the hospital; thereby substantially enhancing standard cleaning and infection control procedures.

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405nm is a Violet–blue light that has significant antimicrobial properties against a wide range of bacterial and fungal pathogens.

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According to the Centers for Disease Control and Prevention (CDC) around 1 in 25 hospital patients in the US have at least one infection contracted in the health care setting.  This leads to 1.7 million illnesses and 99,000 deaths every year; costing hospitals $35-45 billion excess dollars each year.

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Continuous vs. episodic disinfection

Automatically kills bacteria reducing risk of human error

No special or additional training required

Uses 405nm visible light rather than harmful UV

Light is safe for patients and surfaces

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Cost

Germicidal efficacy is lower than UV light

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Indigo-Clean™ technology was discovered in 2002 and was first used in 2008 to reduce bacteria linked to hospital-acquired infections. The U.S. received the patent on the technology in 2014 and selected Kenall as the exclusive licensee to commercialize it for the North American healthcare market. This product was available for purchase by hospitals in 2016.

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Indigo-Clean. (2016). Retrieved from http://www.indigo-clean.com

Maclean, M., Mckenzie, K., Anderson, J., Gettinby, G., & Macgregor, S. (2014). 405 nm light technology for the inactivation of pathogens and its potential role for environmental disinfection and infection control. Journal of Hospital Infection, 88(1), 1-11. doi:10.1016/j.jhin.2014.06.004