Patent ID: 6248062
Filing Date: 2001-06-19
Classification: A61B

Abstract:
A laparoscopic retractor, comprising:a shaft having a distal end, a proximal end and a channel extending longitudinally from the distal end to the proximal end;a handle connected to the proximal end of the shaft and having a longitudinal channel therethrough;a plurality of links pivotally connected in a linear arrangement, with one of said links connected to the distal end of the shaft and each link having a longitudinal channel therethrough, wherein said shaft and said links form a continuous line terminating in a tip formed by an end link;a cable extending from the tip through the channels in the links, shaft and handle;an adjustment mechanism connected to the handle opposite the shaft, said adjustment mechanism connected to the cable;a spring mounted to the handle and adjustment mechanism to bias movement of the adjustment mechanism relative to the handle; andmeans for locking the adjustment mechanism in a biased position wherein the cable is extended and the links rest in a straight line, and for releasing the adjustment mechanism wherein the cable is retracted and pulls the links into a curved arrangement.