{HEAD ~ Energy} sufficient to heat {TAIL ~ tissue} to form a denatured proteinaceous substance is delivered through the lumen to the apparatus 
{ HEAD ~ Energy } sufficient to heat { TAIL ~ tissue } to form a denatured proteinaceous substance is delivered through the lumen to the apparatus
HEAD HEAD HEAD HEAD HEAD REL REL REL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH