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Related Experiment Video

Updated: Feb 2, 2026

Step By Step: Microsurgical training method combining two nonliving animal models
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Fragile vessel simulation for microsurgical training: The microwaved chicken-wing model.

Akatsuki Kondo1, Hiroki Umezawa1, Saya Odaka1

  • 1Department of Plastic, Reconstructive and Aesthetic Surgery, Nippon Medical School, Tokyo, Japan.

Journal of Plastic, Reconstructive & Aesthetic Surgery : JPRAS
|January 31, 2026
PubMed
Summary

Microwave heating of chicken wings for 60 seconds significantly weakened their ulnar artery, creating fragile vessels for microsurgery training. This method effectively simulates diseased human arteries for skill development.

Keywords:
Anastomosis timeChicken wingCost-effectivenessLeakageMicrosurgical anastomosisTraining

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Area of Science:

  • Biomedical Engineering
  • Surgical Training Models
  • Microsurgery Simulation

Background:

  • Microsurgical training models for fragile vessels are lacking.
  • Fragile vessels are frequently encountered by microsurgeons.
  • A simple, accessible training model is needed.

Purpose of the Study:

  • To develop a microsurgical training model using microwave-heated chicken wings.
  • To investigate the effect of microwave heating on chicken wing ulnar artery strength.
  • To determine if this method creates fragile vessels suitable for training.

Main Methods:

  • Thirty chicken wings were divided into control, 30-second, and 60-second microwave heating groups.
  • The breaking force and external diameter of the ulnar artery were measured.
  • Statistical analyses included Kruskal-Wallis, Bonferroni, Spearman's rank, and multiple linear regression.

Main Results:

  • Sixty-second microwave heating significantly reduced ulnar artery breaking force compared to control and 30-second heating (p<0.05).
  • Heating time showed a strong negative correlation with breaking force (ρ=-0.793, p<0.001).
  • Breaking force was positively associated with vessel diameter and negatively with heating time.

Conclusions:

  • Sixty-second microwave heating effectively reduces chicken wing arterial strength, creating fragile vessels.
  • This microwave-heated chicken wing model can simulate diseased human arteries for microsurgical practice.
  • The model offers a valuable tool for enhancing microsurgical training and tissue-handling skills.