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Related Experiment Videos

New atraumatic rounded-edge surgical needle holder jaws.

M R Abidin1, M A Towler, J G Thacker

  • 1Department of Plastic Surgery, University of Virginia School of Medicine, Charlottesville.

American Journal of Surgery
|February 1, 1989
PubMed
Summary

A novel needle holder jaw design prevents damage to synthetic monofilament sutures. This atraumatic design, featuring rounded edges, maintains suture strength and includes a quality control method for manufacturers.

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Area of Science:

  • Surgical Instrumentation
  • Biomaterials Science
  • Medical Device Engineering

Background:

  • Monofilament sutures are susceptible to damage from standard needle holders.
  • Sharp edges on needle holder jaws can compromise suture integrity.
  • Existing needle holders may reduce suture breaking strength.

Purpose of the Study:

  • To describe a new atraumatic needle holder jaw design.
  • To evaluate the impact of the new design on synthetic monofilament sutures.
  • To develop a quality control method for needle holder jaws.

Main Methods:

  • Mechanical filing of sharp edges on smooth needle jaws to create rounded edges.
  • Compression testing of monofilament sutures using modified and standard needle holders.

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  • Development of a quality control protocol to identify damaging sharp edges.

    • Main Results:

    • The atraumatic needle holder jaw with rounded edges prevents damage to synthetic monofilament sutures.
    • Compression by sharp-edged jaws significantly reduces suture breaking strength.
    • A feasible quality control method for manufacturers was devised.

    Conclusions:

    • The modified atraumatic needle holder jaw preserves synthetic monofilament suture strength.
    • Implementing rounded edges and quality control can improve surgical outcomes.
    • This innovation benefits manufacturers and surgeons using synthetic sutures.