prescribing a second time duration commencing from the last transition to inspiration, and causing the pressure of {HEAD ~ gas} to be at {TAIL ~ the inspiratory pressure} until the elapse of said second time duration even if there is a transition to expiration by the patient during the second time duration 
to be at
prescribing a second time duration commencing from the last transition to inspiration , and causing the pressure of { HEAD ~ gas } to be at { TAIL ~ the inspiratory pressure } until the elapse of said second time duration even if there is a transition to expiration by the patient during the second time duration
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD REL REL REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH