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