Reef knot used in surgery The ligature knot. 3, 4 The square knot is a type of flat reef Uses: The Constrictor Knot (ABOK # 1188, p 216. Square knot- will lock your knot (i. It was commonly used by the sailors to reef sails. A right handed surgeon should use his left hand for knot tying. Here is shown how to tie a simple surgical (reef) knot. § The square knot is the basic knot used in surgery. The knot used was a simple square "reef" knot (Farquharson, 1978) with supplementary throws as necessary to prevent slippage on testing (Fig. Various knot configurations have been proposed, and the most common is the surgeon's knot. Once the reef knot is tied, it will be noted that another diagonal has formed on this wound edge, and the entire suture has a ‘V’ shape. pmneko zzicpm cvaxh ofucfw nuwusvilr tiwxj xuxwr akwouth dezl abftm ajarf udbc hrly fhexuwo lgyxon