Aqua-Purator for the surgical-therapeutic pelviscopy/laparoscopy for rinsing of the abdominal cavity with physiological NaCl-solution. The instillation quantity is limited to 250 ml/15 sec. The suction capacity is 2 l/min. Large-volume 1,25 liter secretion trap with graduation. Monofil-bivalent rinsing tubes allow alternatively to instill NaCl-solution or to absorb blood and tissue particles.