For cytologic sampling of endometrial cells with "thin layer" system. It allows a painless and easy routine screening of the endometrium avoiding dilation and traction of the uterus neck. A mandrel with umbrella shaped tip provided with microholes on the 3 curved thin arms, slides inside an outer sheath and allows a sampling rich in endometrial cells. ENDOFLOWER is an innovative product, it is patented and is made of a special radiopaque technopolymer material. Special softness of the material allows an atraumatic sampling. An adjustable positioner is placed on the outer sheath to determine the correct insertion depth.