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Related Experiment Video

Updated: May 28, 2026

Step By Step: Microsurgical training method combining two nonliving animal models
05:25

Step By Step: Microsurgical training method combining two nonliving animal models

Published on: May 9, 2015

[The "double clock" or how to learn microsurgery without animal].

L-A Dumont1, V Martinot-duquennoy, T Hubert

  • 1Service de chirurgie plastique, hôpital Roger-Salengro, CHU de Lille, 2 avenue Oscar-Lambret, Lille, France. antoinedumont@live.fr

Annales De Chirurgie Plastique Et Esthetique
|October 4, 2011
PubMed
Summary

This study introduces an ethical, cost-effective microsurgery training method using sewing needles. The innovative technique improves surgical skills while significantly reducing animal use in medical education.

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Area of Science:

  • Medical Education
  • Surgical Skills Training
  • Animal Research Ethics

Context:

  • Traditional animal experimentation for microsurgery training presents ethical and financial challenges.
  • There is a need for alternative methods that enhance surgical proficiency while minimizing resource use.
  • Current microsurgical training protocols often involve substantial animal utilization.

Purpose:

  • To develop and evaluate an ethical, practical, and inexpensive microsurgery training model.
  • To improve students' microsurgical skills through a novel needle-based exercise.
  • To reduce the number of animals used in microsurgery education.

Summary:

  • A new training method, the "double clock," utilizes sewing needles arranged in circles for microsurgical wire passage exercises.

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Last Updated: May 28, 2026

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  • This technique was integrated into a university degree in microsurgery, involving fifteen residents.
  • A custom scorecard was developed to assess student performance in this novel exercise.

    • Impact:

    • The "double clock" exercise effectively improved students' microsurgical skills.
    • This method reduced animal usage by 10% (approximately 30 rats) in the study period.
    • The training model successfully balanced skill enhancement with ethical and cost considerations in microsurgery education.