Palavras-chave
equipamentos de proteção individual
desinfecção
reuso de máscaras N95/PFF2
Como Citar
Resumo
Durante a pandemia do novo Coronavírus, os profissionais de saúde têm atuado com risco de contaminação de ambientes hospitalares e com a escassez de Equipamentos de Proteção Individuais (EPIs), como as máscaras N95/PFF2 de uso obrigatório para proteção respiratória, que vem sendo reutilizadas sem esterilização para inativar o Covid-19. Tal situação eleva o risco de contaminação destes profissionais e a de diminuição da mão de obra na pandemia. O objetivo desta pesquisa é desenvolver protótipo(s) UV-c para esterilização de máscaras N95/PFF2, ambientes e superfícies hospitalares, conforme especificações técnicas de agências internacionais de saúde, disponíveis nas Recomendações de Padrões de Cuidados em Crise. A eficiência foi aferida com o uso de um medidor radiação ultravioleta digital faixa 254NM e com testes microbiológicos. Os resultados indicaram eficácias de esterilização de 96,06%, 81,34% e 73,96% para CDUV-c Maior, CDUV-c Menor e RDUV-c, respectivamente, o que indica possibilidades de adaptação nos protótipos, conforme indicações sugeridas pela bibliografia. Para disseminação das tecnologias, o projeto foi disponibilizado em open source,
cujos códigos e especificações estão abertos e o licenciamento é livre. Pretende-se, com esta tecnologia, promover a prevenção e gerenciamento de riscos para proteger a equipe médica, uma vez que há um suprimento limitado de N95/PFF2 e trazer soluções hospitalares para e além da pandemia do Covid-19.
Palavras-chave: covid-19; equipamentos de proteção individual; desinfecção; reuso de máscaras N95/PFF2.
Prototypes with uv-c radiation for sterilization of n95 / pff2 masks, hospital environments and surfaces
Abstract
During the pandemic of the new Coronavirus, health professionals have acted at risk of contamination of hospital environments and with the scarcity of Personal Protective Equipment (PPE), such as the N95 / PFF2 masks of mandatory use for respiratory protection, which has been reused without sterilization to inactivate Covid-19. Such situation increases the risk of contamination of these professionals and the reduction of the workforce in the pandemic. The objective of this research is to develop prototype (s) UV-c for sterilization of N95 / PFF2 masks, environments and hospital surfaces, according to technical specifications of international health agencies, available in the Recommendations for Care Standards in Crisis. Efficiency will be measured using a 254NM digital ultraviolet meter and microbiological tests. The results indicated sterilization efficacies of 96.06%, 81.34% and 73.96% for CDUV-c Major, CDUV-c Minor and RDUV-c, respectively, which indicates possibilities of adaptation in the prototypes, according to indications suggested by the bibliography. In order to disseminate the technologies, the project was made available in open source, which codes and specifications are open and licensing is free. The aim of this technology is to promote prevention and risk management to protect the medical team, since there is a limited supply of N95 / PFF2 and to bring hospital solutions for and beyond the Covid-19 pandemic.
Keywords: Covid-19; Personal protective equipment; Disinfection; Reuse of N95/PFF2 masks.
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