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