An endoscopic bipolar forceps comprises an elongated tubular member dimensioned to fit through the working lumen of an endoscope where the tubular member includes a handle at its proximal end and a pair of end effectors at its distal end and with a lumen extending between them. The end effectors each...http://www.google.fr/patents/US6152924?utm_source=gb-gplus-shareBrevet US6152924 - Bipolar biopsy forceps