Patent ID: 6551315
Filing Date: 2003-04-22
Classification: A61B

Abstract:
A surgical tool for use with an endoscope having a distal end and at least one lumen, comprising:a) a clevis means for coupling to the distal end of the endoscope without passing through the lumen of the endoscope; b) a first rotatable member rotatably coupled to said clevis means; c) a second rotatable member rotatably coupled to said clevis means; d) a pulling element having a proximal end and a distal end, said distal end of said pulling element being coupled to said first rotatable member by a first moment arm; e) a coil or tube having a proximal end and a distal end, said pulling element extending through said coil or tube, said distal end of said coil or tube being coupled to said second rotatable member by a second moment arm; and f) an actuator coupled to said proximal end of said pulling element and said coil, wherein one of said first and second moment arms is longer than the other.