{HEAD ~ The energy} is delivered from the source to the apparatus in {TAIL ~ the lumen} and onto the inner walls along the incision line to be sealed 
is delivered in
{ HEAD ~ The energy } is delivered from the source to the apparatus in { TAIL ~ the lumen } and onto the inner walls along the incision line to be sealed
HEAD HEAD HEAD HEAD HEAD HEAD REL REL OTH OTH OTH OTH OTH OTH REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH