A measuring method for determining the distance between the distal end of an endoscope and {HEAD ~ an object} to be examined uses {TAIL ~ an optical radar} and an endoscope, which comprises a distance measuring device 
A measuring method for determining the distance between the distal end of an endoscope and { HEAD ~ an object } to be examined uses { TAIL ~ an optical radar } and an endoscope , which comprises a distance measuring device
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH