The medical ventilator 1, wherein the software module controls {HEAD ~ communication} from the central processing unit to {TAIL ~ the breath delivery system} and a graphical operator interface 
to
The medical ventilator 1 , wherein the software module controls { HEAD ~ communication } from the central processing unit to { TAIL ~ the breath delivery system } and a graphical operator interface
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH