An electrosurgical instrument is provided for cauterization and/or welding of tissue of varying impedances, thicknesses and vascularity especially in the performance of endoscopic procedures. The instrument compresses the tissue between an electrode associated with a first pole of a bipolar energy...http://www.google.se/patents/US5688270?utm_source=gb-gplus-sharePatent US5688270 - Electrosurgical hemostatic device with recessed and/or offset electrodes
