Negative pressure ventilation has also been used to help treat problems like COPD and certain disorders that affect muscles. ... Since then, newer breathing machines have replaced them.

The negative pressure breathing apparatus developed by a company in central Turkey will allow home treatment for patients suffering from chronic obstructive pulmonary disease (COPD), asthma and ...

It is also a negative pressure ventilator, and works by decreasing "the pressure outside the body to allow lung tissue to expand and function in a way that resembles normal breathing," according ...

They state that "Intermittent positive-pressure breathing [IPPR] in patients with respiratory failure is not the exact clinical counterpart to the experimental studies, but it seems probable that ...