Also, to conserve {HEAD ~ the number} of {TAIL ~ solenoid valves} needed, the system in one embodiment places a check valve in a split in a line that supplies pressure to the cassette sealing bladder and occluder bladders, such that the occluder bladder cannot steal positive pressure from the cassette sealing bladder 
of
Also , to conserve { HEAD ~ the number } of { TAIL ~ solenoid valves } needed , the system in one embodiment places a check valve in a split in a line that supplies pressure to the cassette sealing bladder and occluder bladders , such that the occluder bladder can not steal positive pressure from the cassette sealing bladder
OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL 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 OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH