An operating table device for securing an accessory to an operating table is disclosed. The operating table device has a first securing assembly configured to attach the operating table device to the operating table, and a second securing assembly configured to attach an elongated member of the accessory to the operating table device. The second securing assembly includes an aperture configured to receive the elongated member of the accessory. The second securing assembly includes a clamping assembly configured to clamp the elongated member of the accessory in the aperture. A cross section of the aperture has a polygonal shape, the polygonal shape being formed from at least two superimposed shapes, each of the at least two superimposed shapes having straight sides.
