A surgical instrument is described that incorporates bipolar electrodes on opposing shearing members for passing a high frequency current through the tissue for causing hemostasis of the tissue and for cutting the tissue. An electrically insulating material is interposed between the shearing members...http://www.google.es/patents/US5810808?utm_source=gb-gplus-sharePatente US5810808 - Hemostatic bi-polar electrosurgical cutting apparatus and methods of use
Hemostatic bi-polar electrosurgical cutting apparatus and methods of use