Are recycled respirators the next big thing?

Researchers in the US have developed a 3D-printed plastic mask that could solve the ubiquitous PPE supply problems

Amid the ‘arms race’ to engineer a COVID-19 vaccine, there’s another one taking place: the race to build a better respirator.

The iMASC system. Photo: BMJ 2020

The N95 respirator was first patented in 1995 which is fairly archaic when it comes to a lot of medical technology. 

It seems the COVID-19 pandemic has put its design in the spotlight.

In the US alone,