To protect dentists from catching coronavirus, patients could soon be asked to wear open-faced helmets that suck up any COVID-laden droplets they cough up.
Developed by experts at New York’s Cornell University, the disposable, transparent helmets are connected to a pump that creates a reverse flow of air around the head.
This ensures that any potentially infected droplets become trapped in the flow of air coming in through the mouth aperture — and are unable to escape the helmet.
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