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Copyright ©2014 Baishideng Publishing Group Co.
World J Gastroenterol. Jan 28, 2014; 20(4): 997-1004
Published online Jan 28, 2014. doi: 10.3748/wjg.v20.i4.997
Figure 2
Figure 2 Concept of triangulation vs inverse triangulation. Triangulation in multiport laparoscopic surgery allows traction on tissues to improve dissection along anatomical planes (A). In inverse triangulation of single-port laparoscopic surgery, the two instrumental ends do not encounter, but assist each other by creating tension (B). Therefore, the operation is carried out with the two instruments crossed-over.