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An Inanimate Intracorporeal Anastomosis Model With Real-Time Force Feedback: An Initial Study.

A Masie Rahimi1, Sem F Hardon2, Joost Stael2

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This study introduces a new laparoscopic intestinal anastomosis training task with objective feedback. Experts demonstrated superior technical skills in force, motion, and time compared to novices, validating the training task.

Keywords:
Construct validationLaparoscopic intestinal anastomosisLaparoscopy trainingObjective feedbackSimulation trainingSurgical simulation

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Area of Science:

  • Surgical Simulation
  • Medical Education Technology

Background:

  • Laparoscopic intestinal anastomosis demands specialized skills.
  • Objective feedback for anastomosis simulation training is limited.
  • This study addresses the need for objective assessment in surgical training.

Purpose of the Study:

  • To analyze a novel laparoscopic intestinal anastomosis training task.
  • To utilize objective force, motion, and time measurements for skill assessment.
  • To develop a reproducible training module for advanced laparoscopic skills.

Main Methods:

  • Developed a reproducible artificial tissue laparoscopic intestinal anastomosis task.
  • Novices and experts performed the task using two suture techniques.
  • Objective feedback on force, motion, and time was provided by a laparoscopic box trainer.

Main Results:

  • Experts exhibited significantly lower maximal impulses and shorter path lengths with multifilament braided sutures compared to novices.
  • Experts used significantly lower maximal forces and shorter path lengths with barbed sutures.
  • Experts consistently completed the anastomosis task faster than novices across both suture types.

Conclusions:

  • A validated, reproducible laparoscopic intestinal anastomosis training task using objective metrics was developed.
  • This training task allows for repetitive practice and assessment of advanced surgical skills.
  • The objective data can be used to evaluate skill transfer to the operating room.