A multifunctional surgical device particularly for use during electro cauterization for irrigation, and/or smoke and/or fluid evacuation as required. The device comprises a working hub incorporating an elongated tube and including a vacuum port disposed through an exterior wall of the hub, the port being fluidly connectable to a source of vacuum or irrigation fluid a stopcock which selectively connects the vacuum port and an outlet into the stopcock from the elongated tube, the stopcock selectively allowing a fluid connection to be formed between the vacuum port and the elongated tube an open central passage longitudinally disposed through the device the elongated tube having proximal and distal ends and being disposed co-linearly with the central passage, sized and configured to seat within a cannula and receive within the central passage the shaft of an endoscopic tool, while space remains therearound to pass fluid in either direction about the tool shaft.