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Improvement of mechanical performances of braided polyester sutures

Ben Abdessalem S., Jedda H., Skhiri S., Dahmen J., Boughamoura H.

Autex Research Journal

2006

Vol. 6, no. 3

169--174

Non-absorbable sutures are monofilaments or braided structures generally made of polyamide, polyester or polypropylene. The success of a suture is widely linked to its mechanical performance features, such as tensile strength and dimensional stability. We introduced an additional treatment in the manufacture of non-absorbable braided sutures made of polyester. This treatment is based on heat setting of the textile structure by using textile-industry stabilisstabilisation techniques. Boiling water, saturated vapour and dry heat have been tested to stabilise a braided polyester suture. The three techniques involved longitudinal and transversal shrinkages. Heat setting with saturated vapour, and especially with dry heat, increased the breaking strength of the textile structure.