toruga mõõtevahend esemete või kehaõõnsuste (avade jms) sisemuse vaatlemiseks ja kontrolliks, painduva kaabliga mõõtevahend varustatuna sisseehitatud valgustusega raskesti ligipääsetavate kohtade kontrollimiseks, illuminated optical, typically slender and tubular instrument (a type of borescope) used to look deep into the body by way of openings such as the mouth or anus, and used in procedures called an endos, inspection instrument composed of image sensor, optical lens, light source and mechanical device, which is used to look deep into the body by way of openings such as the mouth or anus

an illuminated usually fiber-optic flexible or rigid tubular instrument for visualizing the interior of a hollow organ or part (such as the bladder or esophagus) for diagnostic or therapeutic purposes, a long slender medical instrument used for examining the interior of hollow organs including the lung, stomach, bladder, and bowel, kehaõõnte uurimiseks kasutatav, harilikult klaaskiudoptikal põhinev vaatlusriist