A respirator with an adjustable pressure or volume flow curve has a control and analyzing unit, which is set up to determine the resistance R and the alveolar pressure Palv(t). The control and analyzing unit checks the functional dependence of Palv(t) and of the tidal volume Vol(t) for time intervals...http://www.google.com.au/patents/US20100307499?utm_source=gb-gplus-sharePatent US20100307499 - RESPIRATOR WITH AUTOMATICALLY CONTROLLED PRESSURE-ASSIST RESPIRATION
