YS knot: A new technique for a tension-controlled slip knot
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Introduction
The recent advances in laparoscopic techniques have made it possible to extend the operative field beyond the limits considered unreachable in the past. However, suturing and knot-tying via laparoscopy has been an obstacle because of the high technical requirements and limited space during laparoscopic surgery. The extracorporeal slip knot was a solution to this obstacle, with the convenience of creating a knot and the ease of controlling the tension between the approximated tissue and the knot. We designed a novel technique for an extracorporeal slip knot via laparoscopy with the use of a disposable trocar, the merits of which are cost-effectiveness, and the ease with which the technique could be learned and applied. We have named this knot technique the Yoon Soon (YS) knot after the first name of the knot creator.

This report shows the feasibility and safety of the YS knot that has been applied to suturing and hemostasis for gynecologic surgeries with massive bleeding....

https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4366871/
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