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Related Experiment Video

Updated: Jun 7, 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

"Finger-Touch Approach" for Novice Microsurgical Assistants: A Simulation Study.

Ayaka Ogura1, Shigeki Ishibashi2,3, Toko Miyazaki2

  • 1National Center for Global Health and Medicine, Department of Medical Education, Japan, Tokyo.

Journal of Reconstructive Microsurgery
|June 5, 2026
PubMed
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The finger-touch approach (FTA) enhances microsurgical safety for junior residents by reducing unintended contacts. This technique improves confidence and is easily integrated into training for novice microsurgeons.

Area of Science:

  • Microsurgery
  • Surgical Simulation
  • Medical Training

Background:

  • Microsurgical procedures require high hand-eye coordination.
  • Surgeons' hands are often outside the microscope's visual field, impacting spatial awareness.
  • The finger-touch approach (FTA) was developed to provide an additional proprioceptive reference point.

Purpose of the Study:

  • To evaluate the effectiveness of the finger-touch approach (FTA) in improving microsurgical performance and confidence.
  • To compare the FTA with a conventional method in a simulated microsurgical task.
  • To assess the impact of FTA on safety, efficiency, and psychological responses.

Main Methods:

  • A simulation task replicating microsurgical suture-cutting assistance was designed.

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  • Junior residents (JR) and plastic surgery fellows (PSF) performed the task using conventional and FTA methods.
  • Measurements included unintended contacts, time to field entry, and trajectory variability.

    • Main Results:

    • The FTA significantly reduced unintended contacts in junior residents (p=0.003).
    • No significant differences in performance were observed between methods for plastic surgery fellows.
    • Junior residents reported higher comfort and interest in using the FTA compared to fellows.

    Conclusions:

    • The finger-touch approach enhances safety and psychological comfort for novice microsurgical assistants.
    • FTA requires minimal instruction and no additional equipment, facilitating implementation.
    • The technique is suitable for training programs and clinical practice for beginners.