Patent ID: 9561028
Date: 2017-02-07
CPC Classifications: A61B

Claim:
1. A laparoscopic instrument for intra-corporeal tying of knots with a free strand of a suture-ligature, comprising; a shaft attached to a handle with controls; a bullet shaped tip having a rotator subassembly, tip base subassembly and slider crank mechanism; wherein the rotator subassembly includes a slotted hollow axle with a hollow center and an open ended slot on its entire side, a mini-grasper with a movable jaw contained within the rotator subassembly and the rotator subassembly is configured to rotate 360 degrees on the hollow axle, along a sagittal plane of the long axis of the instrument; and wherein the mini-grasper is configured to grasp a head end of a suture, the slotted hollow axle is configured to temporarily trap a tail strand of the suture so that when the rotator subassembly rotates 360 degrees to form a knot in the suture.