It makes the growth of the bacterial bio film decrease, removes and or the system for one or more of the thing which is prevented, method and the device are offered, this distributes the flow of the clearing solvent which was pressurized through the nozzle includes the endoscope lower method which uses the equipment for the surgery which it tries to be able to remove the layer of the bacterial bio film substantially.< Selective figure >Figure 1細菌バイオフィルムの成長を減少させ、除去し又は防止することの1つ以上のためのシステム、方法及び装置が提供され、これは、ノズルを通して加圧された洗浄液の流れを分与し、細菌バイオフィルムの層を実質的に除去し得るようにした外科用機器を使用する内視鏡下方法を含む。【選択図】図1