It could be but we're even further behind being able to support people on negative pressure than we are on ventilators. The biggest issue is the neck gasket, th

It could be but we're even further behind being able to support people on negative pressure than we are on ventilators. The biggest issue is the neck gasket, they have to seal well enough to provide the negative pressure without being super tight while conforming to the geometry of people's necks. It's already a big problem for the small number of people left on iron lungs. https://www.wired.co.uk/article/iron-lung-maker-community https://www.wired.co.uk/article/iron-lung-maker-community