In laparoscopic, arthroscopic and all kinds of minimally invasive endoscopic surgery, the timely removal of blood, irrigation fluid and tissue debris is the key to maintain the surgical field. Disposable irrigation suction catheter integrates liquid injection and negative pressure suction into a single instrument to achieve the most efficient operation field management with the most concise operation. It is an indispensable disposable consumable in modern minimally invasive operating rooms.