1) DAY-USE PUMP PART (DUPP) Installed directly to the pump control unit and a Single-Use Patient Part (SUPP) 2) SINGLE-USE PATIENT PART (SUPP) Installed directly to a Day-Use Pump Part (DUPP) and to an endoscopy sheath. There is no need of changing a fluid bag and a Day-Use Pump Part tubing after each surgery. It also saves time of medical staff for preparation a pump for a new patient.