PROBLEM TO BE SOLVED: To provide an endoscope capable of performing a direct viewing observation and a lateral viewing observation, whose washability of the tip part has been improved.SOLUTION: An endoscope 12 includes an insertion part 12a inserted into an observation object, a lateral viewing observation window 42A which is an observation window of a lateral viewing observation part 42 having a visual field in a side surface direction of the insertion part 12a, and a direct viewing observation window 41A which is an observation window of a direct viewing observation part 41 having a visual field in a tip direction of the insertion part 12a, and also includes a first protruding part 31 which protrudes in the tip direction of the insertion part 12a, a second protruding part 32 which protrudes in the tip direction of the insertion part 12a, a nozzle 51 and a nozzle 52 (first nozzle) provided to the second protruding part 32, which jet washing fluid toward the lateral viewing observation window 42A, and a nozzle 83 (second nozzle) provided to a tip surface 21 of the insertion part 12a and located opposite to the first protruding part 31 with respect to the second protruding part 32, which jets washing fluid toward the lateral viewing observation window 42A.SELECTED DRAWING: Figure 2COPYRIGHT: (C)2018,JPO&INPIT【課題】直視観察及び側視観察が可能であり、かつ、先端部の洗浄性を向上した内視鏡を提供する。【解決手段】内視鏡12は、観察対象に挿入する挿入部12aと、挿入部12aの側面方向に視野を有する側視観察部42の観察窓である側視観察窓42Aと、挿入部12aの先端方向に視野を有する直視観察部41の観察窓である直視観察窓41Aと、を有し、かつ、挿入部12aの先端方向に突出した第1突出部31と、挿入部12aの先端方向に突出した第2突出部32と、第2突出部32に設けられ、側視観察窓42Aに向けて洗浄液を噴出するノズル51及びノズル52(第1ノズル)と、挿入部12aの先端面21に設けられ、第2突出部32に対して第1突出部31の反対側にあり、かつ、側視観察窓42Aに向けて洗浄液を噴出するノズル83(第2ノズル)と、を備える。【選択図】図2
