PROBLEM TO BE SOLVED: To provide an endoscope cleaning nozzle which can be easily positioned in a direction in which a fluid is stably jetted to an observation window when assembled.SOLUTION: The cleaning nozzle includes: a tubular portion 51 arranged on a cleaning nozzle 50 and having a flow path for allowing a fluid to flow thereinto from fluid paths 42, 43 arranged in an insertion portion 11 of an endoscope 2 a nozzle head 52 with a jetting port 55 for jetting the fluid to the observation window 34 a housing hole 38 to which the tubular portion 51 is inserted and fixed and positioning means 54, 39 which are arranged on at least either the cleaning nozzle 50 or the housing hole 38, and regulate the position of the tubular portion 51 around a longitudinal axis so that the jetting port 55 of the nozzle head 52 can face a predetermined direction toward the observation window 34.COPYRIGHT: (C)2012,JPO&INPIT【課題】 組付け時に観察窓に流体が安定して噴出する方向へ容易に内視鏡用洗浄ノズルを位置決めできるようにする。【解決手段】 洗浄ノズル50に配設され、内視鏡2の挿入部11に配設された流体路42,43から流体が流入する流路を備えた管状部51と、観察窓34へ流体を噴出する噴出口55を備えたノズルヘッド52と、管状部51が挿嵌して固定される収容孔部38と、洗浄ノズル50と収容孔部38の少なくとも一方に配設され、ノズルヘッド52の噴出口52が観察窓34に向けた所定の方向を臨むように、管状部51の長手軸回りの位置を規定する位置決め手段54,39と、を具備している。【選択図】図8
