{HEAD ~ an inflow liquid pump} arranged to feed {TAIL ~ an irrigation} liquid from a container though a feed line into a body cavity, 
arranged to feed
{ HEAD ~ an inflow liquid pump } arranged to feed { TAIL ~ an irrigation } liquid from a container though a feed line into a body cavity ,
HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL REL REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH