Ultra-violet disinfection effective in hospital tests

Published: 6-Oct-2006


Hospital tests have shown that the Bacticlean ultra-violet disinfection system from Victory Lighting will effectively reduce air-borne contamination in hospital theatre and ward situations within minutes.

Methicillin resistant staphylococcus aureus con-tamination counts were significantly reduced after just 10 minutes from the system being switched on. These controlled laboratory tests gave a Log10 reduction >3, which was cut to 1.33 when the Bacticlean unit was switched off. The readings were taken at one, five and ten minute intervals at a temperature of 20ºC (+/- 1°C) and contamination was reduced significantly at each time segment.

Available with a single ultra-violet element (36W) or twin element (72W), the unit draws air in and then reduces the flow so that it passes over the ultra-violet elements slowly for maximum disinfection efficiency before it is discharged back into the room. Filters also remove particulates.

A single unit, normally wall mounted, will cover about 95 cubic metres but multiple installations can be used to cope with bigger areas. The unit is approximately 150mm deep x 390mm high x 460mm wide.

Victory can also supply separate ultra-violet emitters, including waterproof units, for other hospital applications and says that different sizes can be designed and manufactured to order.

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