an outflow device, which is arranged to drain the irrigation liquid from {TAIL ~ the body cavity} through {HEAD ~ a tubing}, 
an outflow device , which is arranged to drain the irrigation liquid from { TAIL ~ the body cavity } through { HEAD ~ a tubing } ,
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH