A surgical instrument for use in laparoscopy is provided, comprising a tubular member having a proximal end and a distal end, a first end effector piece pivotably mounted to the tubular member near the distal end of the tubular member, a second end effector piece disposed near the distal end of the tubular...http://www.google.fr/patents/US6270508?utm_source=gb-gplus-shareBrevet US6270508 - End effector and instrument for endoscopic and general surgery needle control
End effector and instrument for endoscopic and general surgery needle control