Patent ID: 8398544

Claim:
A surgical instrument equipment appropriate for mini-invasive surgery, used through natural orifices or incisions, characterized in that it comprises a device to enter the patient's body ( 1 ) which includes a rigid ring ( 3 ) provided outside of the patient's body, from which at least two extensions ( 4 ) stem out in distal direction, which extensions act as separators, and a multivalve flexible head ( 8 ) that, in use, it is provided enveloping the external side of said rigid ring, and that comprises at least an operative channel ( 11 ) to insert at least one working tool ( 2 ), a connector to insufflate and irrigate fluids ( 15 ); and a funnel to retain fluids ( 5 ) which holds said multivalve flexible head that envelops the rigid ring; said funnel defines, when assembled, a passage for the mentioned operative tool which is flexible, semi rigid and that is provided inside at least one conducting duct, and, in turn, comprises a clamp handle ( 46 ), a movement transmission element made up by an external tubular sheath ( 54 ) that is fully flexible, a malleable and semi rigid driving chuck ( 57 ) and a clamp head ( 48 ) which includes an intrahead device ( 59 ) that allows the opening of the working tool and that the head can make a 360° turn without changing the position given by the driving chuck.