Comportamiento mecánico de 3 tipos de anudados quirúrgicos usando monofilamentos de 4/0

Translated title of the contribution: Mechanical behaviour of three types of surgical knots using 4/0 monofilament

Luis Gil Santos, Jorge Más-Estellés, Manuel Salmerón Sánchez, Carlos Barrios

Research output: Contribution to journalArticlepeer-review

2 Citations (Scopus)

Abstract

Objective: To experimentally study the behaviour of 4 types of monofilament with 3 knotting techniques, very often used in surgery, employing mechanical tests. Material and methods: Four 4/0 monofilaments were chosen, two of nylon, and the other two of polypropylene. Three types of knot designs were made with each thread. The first design (D-S-S) consisted of a double half-knot (D) followed by one single (S) in the opposite direction, a third S in turn in the opposite direction. The configuration of the second design was D-S-D, and the third, S-S-D. A mechanical fracture test was performed by stretching the thread at a rate of 4. N/s, the force and deformation being recorded at intervals of 100. ms. Results: There was a decrease in the force and deformation in the tests on threads with knots compared to threads without knots. In all cases the rupture of the thread occurred in the knot area, presumably due to damage caused to the thread during the knotting process. The D-S-D knot had the greatest resistance with polypropylene threads, and S-S-D provided the greatest resistance with nylon threads. Conclusions: Polypropylene threads, with D-S-D knots, should be more indicated to suture tissues that have to support great forces and with little deformation of the suture (e.g., tendons). Nylon threads, with S-S-D knots, would be better indicated for tissues that have to support smaller forces and that require greater elasticity (e.g., skin).

Translated title of the contributionMechanical behaviour of three types of surgical knots using 4/0 monofilament
Original languageSpanish
Pages (from-to)388-393
Number of pages6
JournalCirugia Espanola
Volume90
Issue number6
DOIs
Publication statusPublished - Jun 2012

All Science Journal Classification (ASJC) codes

  • Surgery

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