Abstract
Objective: The aim of the investigation is to evaluate and to compare the tensile strength of commercial natural and synthetic absorbable suturematerials currently used in surgery. The natural absorbable sutures of chromic catgut are prepared for this purpose as well as commercial syntheticabsorbable sutures made from polyglycolide.Methods: The analysis has been carried out following the standard test method for tensile strength and Young’s modulus of fiber ASTM C1557-03.Measuring the diameter of each suture has been carried out with an optical microscope to determine the accuracy of manufacturers’ data. Tensiletesting has been performed to evaluate the tensile strength of each type of sutures. The modulus elasticity and strain (ϵ) obtained are also presented.Results: The results show that sutures made from braided synthetic material of polyglycolide (violet coated) present a tensile strength remarkablysuperior (1070.292 MPa) to that of natural absorbable sutures of chromic catgut (392.276 MPa). Using optical macro microscope analysis,monofilament sutures present less surface irregularities than multifilament polyglycolide sutures. Chromic catgut monofilament sutures present lesssurface irregularities than multifilament polyglycolide.Conclusion: Tensile test of absorbable sutures was conducted in this research. Two types of absorbable sutures were investigated and compared. It isfound that sutures made from braided synthetic material of polyglycolide (violet coated) having much better tensile strength comparing with suturesmade from natural material (chromic catgut monofilament).
Highlights
Suture materials have various important applications in surgery ranging from repair of tension band of certain fractures, fascia, closure of surgical wounds, tendons, muscles, ligaments, and joint capsules
The first type is absorbable sutures made from natural material and the second type is absorbable sutures made from synthetic material
The first type is absorbable sutures made from natural material from brand of T-CRHOMIC and the second type is absorbable sutures made from synthetic material of polyglycolide from the brand T-VIO
Summary
The analysis has been carried out following the standard test method for tensile strength and Young’s modulus of fiber ASTM C1557-03. Measuring the diameter of each suture has been carried out with an optical microscope to determine the accuracy of manufacturers’ data. Tensile testing has been performed to evaluate the tensile strength of each type of sutures. The modulus elasticity and strain (ε) obtained are presented
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