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The Intracorporeal Knot Tying Using Rigid Instruments in Single-incision Laparoscopic Surgery

It is difficult to perform intracorporeal knot tying in a single-incision laparoscopic surgery. The instruments may not work together willingly in the limited working area. To get the proper triangulation to manipulate the instruments might be the main issue in the process of knot tying. It has been known that the knit stitch might improve knot tying in a conventional laparoscopic surgery. The modified method of knit stitch in this study was performed using a single-incision laparoscopic surgery. To use the half circle of the curved needle in the intracorporeal knot-tying procedure was effective in getting the proper angle for manipulation of rigid instruments. Spinning instrument according to the butt of the curved needle minimized the movement of working instruments. The modified method might be useful in solving the difficulty of the knot tying in a single-incision laparoscopic surgery.