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From Dry Box to Dry Cup: Portable Laparoscopic Training Through Task Decomposition.

Takuma Iwai1, Hiroshi Makino1, Hiroshi Yoshida1

  • 1Gastroenterological Surgery, Nippon Medical School, Tokyo, JPN.

Cureus
|May 18, 2026
PubMed
Summary

The Dry Cup offers a portable, decomposition-first approach to laparoscopic training, using simple materials for accessible skill development. This method enhances deliberate practice, improving surgical education accessibility, especially in resource-limited settings.

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Area of Science:

  • Medical Education
  • Surgical Training
  • Minimally Invasive Surgery

Background:

  • Laparoscopic training is lengthy due to 2D vision and hand-eye dissociation challenges.
  • Access to effective off-the-job laparoscopic training is limited by resources and time.

Purpose of the Study:

  • To introduce the Dry Cup, a portable, decomposition-first training philosophy for laparoscopic skills.
  • To provide an accessible and adaptable training solution outside traditional simulation centers.

Main Methods:

  • Utilizing readily available materials, portable instruments, a webcam, and consumer displays to create a 2D training environment.
  • Decomposing complex laparoscopic skills into hierarchical, trainable work units for targeted practice.
  • Implementing a portable training philosophy for task-specific practice anytime, anywhere.
Keywords:
education and traininglaparoscopic box traininglaparoscopic surgerieslaparoscopic trainingskill training

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Main Results:

  • The Dry Cup enables learners to identify and address performance bottlenecks through focused practice.
  • Facilitates deliberate off-the-job training integration into clinical routines.
  • Offers a cost-effective and accessible alternative to traditional simulation resources.

Conclusions:

  • The Dry Cup approach enhances laparoscopic skill acquisition through task decomposition and portability.
  • This philosophy can help reduce disparities in surgical education, particularly in resource-limited environments.
  • Promotes flexible and accessible surgical training, improving overall competency.