Name a common knot-tying pattern used in intracorporeal suturing?

Name a common knot-tying pattern used in intracorporeal suturing?

• A. Square knot.
• B. Slip knot.
• C. Granny knot.
• D. Bow knot.

Answer: (A)

The pattern used in intracorporeal suturing relies on a secure, non-slipping tie that can be reliably formed with instruments in a confined space. The square knot fits that need because it is built from two throws in one direction followed by two throws in the opposite direction, creating a symmetric, self-locking structure. This symmetry distributes tension evenly across the suture and resists loosening as tissue is approximated, which is crucial when working through a laparoscope.

In contrast, a granny knot comes from throws in the same direction, which creates uneven friction and a knot prone to slipping under load. A slip knot is designed to cinch quickly, but without reinforcement it can loosen or shift when tension is applied. A bow knot isn’t the standard for this setting and tends to be less predictable in the constrained, instrument-based environment.

So the square knot is the best match for reliable, secure intracorporeal suturing.