A Comparative Study in Learning Curves of Two Different Intracorporeal Knot Tying Techniques

Figure 1

(a) (Step ) Starting the loop of suture by right hand needle driver over the left hand needle driver. (b) (Step ) Making two loops over the left hand needle driver. (c) (Step ) The left hand needle driver catching the tail end of the suture through the loops. (d) (Step ) First throw of knot completed by pulling the tail end of suture through the loop.

(a)

(b)

(c)

(d)