A SURGICAL INSTRUMENT EQUIPMENT APPROPRIATE FOR MINI-INVASIVE SURGERY, INSERTED THROUGH NATURAL ORIFICES OR INCISIONS, MADE UP BY A DEVICE TO HAVE ACCESS TO THE PATIENT’S BODY, THAT IS COMPRISED BY A RIGID RING FROM WHICH AT LEAST TWO EXTENSIONS STEM OUT IN DISTAL DIRECTION, WHICH EXTENSIONS ACT AS SEPARATORS AND A MULTIVALVE FLEXIBLE HEAD WHICH, WHEN IN USE, IS PROVIDED ENVELOPING THE EXTERNAL SIDE OF SAID RIGID RING, AND THAT COMPRISES: AT LEAST ONE OPERATIVE CONDUCTING DUCT FOR THE ACCESS OF AT LEAST ONE WORKING INSTRUMENT； A CONNECTOR TO INSUFFLATE AND IRRIGATE FLUIDS； AND A FUNNEL TO RETAIN FLUIDS THAT HOLDS SAID MULTIVALVE FLEXIBLE HEAD THAT ENVELOPS THE RIGID RING, DEFINING WHEN ASSEMBLED, A PASSAGE FOR SAID WORKING INSTRUMENT THAT IS PROVIDED WITHIN AT LEAST A CONDUCTING DUCT AND, IN TURN, IS COMPRISED BY A CLAMP HANDLE, A MOVEMENT TRANSMISSION ELEMENT MADE BY AN EXTERNAL TUBULAR SHEATH, A DRIVING CHUCK AND A CLAMP HEAD INCLUDING AN INTRAHEAD DEVICE. FIGURE 1
