Problem to be solved: to perform the cleaning of the flow path in the endoscope where the fluid of the gas and the liquid flows through the attachment of the cleaning adapter to the endoscope which inspects the biological tissue to wash the endoscope.The cleaning adapter for an endoscope is configured to be able to be exchangeable with a flow path changeover switch to a portion for mounting the flow path changeover switch of the operation part of the endoscope, and the first mounting part and the first washing flowing by the cleaning liquid supplied from the cleaning liquid source A first adapter having a liquid flow path and connected to the first mounting portion to supply the cleaning liquid.The first mounting portion is mounted on the operating portion in place of the flow passage changeover switch, and the common cleaning path provided in the first cleaning liquid flow path and the operation section is used as the supply passage of the cleaning liquid, and the first washing liquid flow passage and the common flow passage are provided A plurality of connection channels of the cleaning liquid connected to one to one are formed in the insertion portion of the mirror with a plurality of individual channels through which fluid flows.Diagram【課題】生体組織を検査する内視鏡に洗浄用アダプタを取り付けて内視鏡の洗浄を行う際、気体や液体の流体が流れる内視鏡内の流路の洗浄を確実にかつ効率よく行う。【解決手段】内視鏡の洗浄用アダプタは、内視鏡の操作部の流路切換スイッチを装着する部分に、流路切換スイッチと交換可能に装着できるように構成され第1装着部と、洗浄液源から供給される洗浄液が流れる第1洗浄液流路が設けられ、前記第1装着部に接続されて、洗浄液を供給する第1洗浄管と、を備えた第1アダプタを含む。前記第1装着部は、前記流路切換スイッチに代えて前記操作部に装着されることにより、前記第1洗浄液流路及び前記操作部に設けられた共通流路を洗浄液の供給流路として、前記第1洗浄液流路及び前記共通流路と、内視鏡の挿入部に設けられた、流体が流れる複数の個別流路との間を、1対1に接続する洗浄液の接続流路を複数形成するように構成される。【選択図】図5
