An endoscopic multiple sample bioptome includes a hollow outer member and an axially displaceable inner member extending therethrough. The proximal ends of the outer and inner members are coupled to an actuator for axially displacing one relative to the other. The distal end of the outer member is coupled...http://www.google.se/patents/US5636639?utm_source=gb-gplus-sharePatent US5636639 - Endoscopic multiple sample bioptome with enhanced biting action
