In another embodiment, {HEAD ~ the visualization system} comprises {TAIL ~ an electronic chip} positioned within the distal portion and configured to provide video and still images to be sent to a viewing system 
comprises
In another embodiment , { HEAD ~ the visualization system } comprises { TAIL ~ an electronic chip } positioned within the distal portion and configured to provide video and still images to be sent to a viewing system
OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH