The object of the invention is a reusable medical instrument for controlled uterine manipulation during gynaecologic endoscopic operative procedures. The instrument provides a simple and safe uterine manipulation and can be adapted to anatomy of a patient. The object of the invention, consists of four pieces which can easily be put together: a guiding rod (1), a cylinder with a cervical cup (2), a cylindrical locking nut (9) a pear shaped nut (3) for occlusion of lower vagina. A cylinder with a cervical cup (2) and a pear shaped nuts (3,9) are made in three dimensions and are interchangeable to better adapt to anatomy of a patient.