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