An endoscopic bipolar multiple sample bioptome includes a relatively long conductive flexible member having a lumen with an axially displaceable conductive wire extending therethrough and covered with an electrically insulating sheath. The proximal ends of the flexible member and wire are coupled to...http://www.google.fr/patents/US6019758?utm_source=gb-gplus-shareBrevet US6019758 - Endoscopic bipolar multiple sample bioptome
