The present invention provides {HEAD ~ an improved surgical port} which comprises {TAIL ~ a totally flexible grommet} like structure 
comprises
The present invention provides { HEAD ~ an improved surgical port } which comprises { TAIL ~ a totally flexible grommet } like structure
OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH