Low cost devices to reduce aerosol effect during upper gastrointestinal endoscopy in COVID-19

Endoscopic procedures, as they are associated with exposure of the upper airway, have a higher risk of transmission of the SARS-CoV-2 virus;so, it is necessary to consider interventions to mitigate or eliminate exposure to it In this article, we allow ourselves to present a low-cost mitigation strategy, since with the progress of the pandemic it could be in a state of austerity of economic resources, making these devices totally valid � 2020 Asociaciones Colombianas de Gastroenterolog�a, Endoscopia digestiva, Coloproctolog�a y Hepatolog�a