A surgical instrument

The invention relates to a surgical instrument having an instrument handle (1) attached to a proximal end portion of a tubular shank (2) is articulated, at its distal end portion of an instrument head (4) is hinged inclinably, in which again an effector (3) is rotatably mounted which has at least one swivellable engaging element (30). The tool handle (1) comprises a number of manipulating and / or actuating mechanisms which are designed for actuating the instrument head (4) and / or the effector (3). According to the invention, one of the handling of a function with respect to its knob-like actuating element (6), which is rotatably mounted on the instrument handle (1).