STRABISMAL HARD ENDOSCOPE

摘要

PURPOSE:To avoid the excessive dispersion of illumination light and to illuminate evenly a field of view, by forming a gap part for insertion of a light guide fiber at a place near the tip face of an endoscope into two forms approximate to cylindrical faces. CONSTITUTION:A slanting surface of having a prescribed angle to the axial direction is formed at the tip side of an outer tube 21 of an inserting part 13. An observing opening part is formed at the tip side of an inner tube 22 which is set inside with eccentricity. Then a tip member 25 of the tube 22 is attached in one body to form an approximately tubular storing member 26. A tip member 37 of the tube 21 is attached at the lower tip of the tube 21. The outer circumference surface 26a of the member 25 and an inner circumference surface 37a of the member 37 are formed with almost an equal space. An a result, the output ends of light guide fibers 23 which are filled in said space are arrayed in parallel to the field of view of observation.