Abstract: The present invention relates to a hysteroscope of the type comprising an outer envelope forming a cannula, means for insufflation of a fluid, particularly a gaseous fluid, such as for example carbon dioxide, inside the uterine cavity to distend the walls thereof, and an inner envelope forming an endoscope tube, of smaller diameter than the outer envelope and adapted to slide therein, this inner envelope containing light transmission means for conducting light to the distal end of said inner envelope and comprising on the one hand means for mechanically placing the hysteroscope in operating position, substantially fluid-tight at the level of the cervix of the uterus and on the other hand a portable device for supplying said fluid, fast with said hysteroscope.