The way to tie a surgical site with instruments only, without contact with the surgeon's fingers.

The use of the instrumental knot tying method is conditioned by the need to preserve the absolute aseptic nature of the wound, reliable knotting at the bottom of a narrow deep wound, allows the seam to be made at the short ends of the thread. The apodactyl node is often used in plastic surgery, with microsurgical technique and video endosurgical method of performing the operation.
The apodactyl node allows the suture material to be minimized.