The endoscope for the surgery (1), the bushing (2) in the proximal edge territory (8) in the wash water inlet pipe (9) to be connection possible, at the same time to possess one side hole (10) at least in the distal (2036) edge territory, aforementioned bushing (2) inside the optical system which extending facilities is done (3) the aforementioned bushing (2) to be formed with smaller section than internal section, the image guide (14) extending facilities to be done over the total length of the aforementioned optical system, the aforementioned bushing (2) the absorption tube (5) to be arranged inside section inside the freedom where the aforementioned optical system (3) remains on side, the aforementioned absorptionThe tube that absorption hole (7) on distal (2036) side the aforementioned bushing (2) is arranged before, at the same time on proximal side we are connected by absorption mechanism (17), the aforementioned bushing the plug element which closes the section inside the freedom where (2) remains the endoscope where (4) is arranged in the aforementioned distal (2036) edge territory of the aforementioned bushing.< Selective figure >Figure 1外科用内視鏡(1)であって、套管(2)がその近位端領域(8)で洗浄水入口管(9)に接続可能であり、かつ遠位端領域に少なくとも1つの横孔(10)を有し、前記套管(2)内に延設された光学系(3)が前記套管(2)の内部断面よりも小さな断面で形成されており、前記光学系の全長にわたってイメージガイド(14)が延設されており、前記套管(2)の前記光学系(3)の横に残存する自由内部断面内に吸引管(5)が配置されており、前記吸引管はその吸引孔(7)が遠位側で前記套管(2)の前に配置され、かつ近位側では吸引機構(17)に接続されており、前記套管(2)の残存する自由内部断面を閉鎖する栓要素(4)が前記套管の前記遠位端領域に配置されている内視鏡。【選択図】図1