The surgeon's knot-tying technique plays a crucial role in the recovery of patients after single-port laparoscopy. Knot tying is very challenging in minimally invasive surgery and is a critical skill in advanced surgery. In this study, investigators introduce a new knotting technique, compare it with the traditional knotting technique in many aspects, and also discuss its application in the teaching of single-port laparoscopic knotting.
Study Type
OBSERVATIONAL
Enrollment
40
The volunteers in experimental group study new knotting technology.
The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University
Zhejiang, China
Accuracy of needle entry
The needle stick should be in and out of the centre of the dot. The operator received 2 points if it was in the centre of the dot, 1 point if it deviated from the centre, and 0 points if it was outside the dot.
Time frame: through study completion, an average of 1 month
Stability of the knot
The knot was required to be a surgical triple knot and should not have been a smooth knot or a loose knot. A normal knot received 2 points. A smooth knot received 1 point,and 0 points were awarded for a loose knot.
Time frame: through study completion, an average of 1 month
Tissue integrity
The suture tissue should not be damaged or ruptured. The trainee received a score of two for integrity, 1 for a few cracks, and 0 for a complete fracture of the tissue.
Time frame: through study completion, an average of 1 month
Tightness of the tissue
The tightness of the suture tissue indicated that the two sides of the sutured tissue were closely connected. The operator received 2 points if there was no gap between the two sides of the incision, 1 point for a few gaps, and 0 points for a totally loose suture.
Time frame: through study completion, an average of 1 month
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