Emergency version for COVID-19 pandemic

During the early months of 2020, the COVID-19 situation led to acute shortages of personal protective equipment. At the end of March 2020, the question arose from the field whether the UV-C disinfection method would also work with mouth masks, so that they could be safely reused. UV Smart immediately started an investigation in collaboration with various hospitals and laboratories in the Netherlands. A simpler emergency version of the existing D25 was used for this, because it can be produced quickly and in a higher quantity.

The research concluded that all bacteria and viruses can be rendered harmless by exposing FFP2 mouth masks to very strong UV-C radiation for more than a minute and a half. The amount of radiation that penetrates everywhere in the material is sufficient for a log5 (more than 99.999%) disinfection. At the same time, TU Delft determined that the UV-C light leaves the fiber structure and filter of the mask intact.
Based on this, various peripheral and academic hospitals, laboratories and care centers in the Netherlands (including Radboudumc, Alrijne, LUMC, Martini Hospital and the Spaarne hospital) put the Emergency version into use in early April 2020 – not only for disinfection of mouth masks, but also of other small medical instruments and equipment.

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Emergency version

Disinfection of:
Personal protective, medical instruments and equipment
Dimensions (LxWxH):
Disinfection chamber: 420 x 265 x 160 mm; outside dimensions: 535 x 400 x 260 mm
Disinfection cycle:
2 x 50 seconds
Effective against:
B. subtilis, VRE, MSRA, E. coli, corona-familie et al.
Research partners:
Spaarne Gasthuis, Streeklab Haarlem, TU Delft et al.

Instruction video

User manual