PURPOSE: To make it possible to carry out the maintenance of a supply pump and vacuum pump at a proper time by temporarily displaying the operation time from the start of using a supply pump or a vacuum pump for the first time to before the starting time on the flow amount display part of a control panel and a suction force display part at the time of starting the device for cleaning diseased part.

CONSTITUTION: The device for cleaning diseased part is provided with a control panel 10. The control panel 10 is provided with a suction force display part 10a displaying the discharge flow rate at the time of operating the supply pump and a suction pressure indicating part 10e indicating the vacuum suction pressure. When the device is started by pressing a main switch 10D, the total operation time from starting the use of the pump for the first time to the start of the device for cleaning the affected part is displayed by the part 10a and part 10e. Everytime when the device for cleaning the diseased part is started, the total operation time after using the pump for the first time at the time of starting can be easily and accurately grasped so that the maintenance for the pump can be accurately performed.