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Related Concept Videos

Types of Step-Growth Polymers: Polyesters01:20

Types of Step-Growth Polymers: Polyesters

The introduction of polyesters has brought major development to the textile industry. The wrinkle-free behavior of polyester blends has eliminated the need for starching and ironing clothes.
Polyesters are commonly prepared from terephthalic acid and ethylene glycol; the crude product is known as poly(ethylene terephthalate) or PET. However, polyesters are synthesized industrially by transesterification of dimethyl terephthalate with ethylene glycol at 150 °C. The two reactants and the polymer...

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Related Experiment Video

Updated: May 16, 2026

A Novel Tenorrhaphy Suture Technique with Tissue Engineered Collagen Graft to Repair Large Tendon Defects
06:36

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Published on: December 10, 2021

A carpal ligament substitute part 1: polyester suture.

John A Martin1, Marwan A Wehbé

  • 1Commonwealth Sports Medicine, Reading, PA, USA.

Hand Clinics
|November 22, 2012
PubMed
Summary

Researchers identified a synthetic carpal ligament substitute using polyester fiber suture. This readily available and inexpensive material offers superior tensile strength and can facilitate tissue ingrowth for ligament reconstruction.

Area of Science:

  • Orthopedic surgery
  • Biomaterials science

Background:

  • Carpal ligament injuries often require surgical reconstruction.
  • A need exists for a cost-effective, readily available, and easy-to-use synthetic ligament substitute.

Purpose of the Study:

  • To evaluate a synthetic material as a potential substitute for carpal ligaments.
  • To assess the tensile strength and biocompatibility of polyester fiber suture for ligament reconstruction.

Main Methods:

  • Four loops of 2-0 polyester fiber suture (Mersilene) were tested.
  • Tensile strength was compared to the native scapholunate interosseous ligament.
  • Stress/strain curve approximation and potential for fibrous tissue ingrowth were assessed.

Main Results:

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  • Polyester fiber suture demonstrated ultimate tensile strength exceeding that of the scapholunate interosseous ligament.
  • The suture construct approximated a normal ligament stress/strain curve.
  • The material is inexpensive, readily available, and easy to handle.

Conclusions:

  • Polyester fiber suture serves as a viable synthetic substitute for carpal ligaments.
  • This material is recommended for carpal and other ligament reconstructions due to its strength and practicality.