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Related Concept Videos

Endoscopic Procedures IV: Sigmoidoscopy and Laproscopy01:26

Endoscopic Procedures IV: Sigmoidoscopy and Laproscopy

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Sigmoidoscopy and laparoscopy are distinct medical procedures that enable physicians to internally inspect different parts of the GI tract. Although they serve different purposes, each is essential for diagnosing and, in some cases, treating various medical conditions.
Sigmoidoscopy
Sigmoidoscopy is a diagnostic procedure that uses a flexible sigmoidoscope equipped with a light source and camera to examine the rectum and sigmoid colon. The procedure involves inserting the tube through the anus...
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Related Experiment Video

Updated: Jan 18, 2026

Surgical Trunk Oriented Laparoscopic Right Hemicolectomy (ST-LRH) for Right-Sided Colon Cancer
05:58

Surgical Trunk Oriented Laparoscopic Right Hemicolectomy (ST-LRH) for Right-Sided Colon Cancer

Published on: July 25, 2025

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Development of a laparoscopic right hemicolectomy training simulator: COLOMASTER.

H Hasegawa1,2, K Teramura1, Y Park3

  • 1Department of Colorectal Surgery, National Cancer Center Hospital East, 6-5-1 Kashiwanoha, Kashiwa, Chiba, 277-8577, Japan.

Techniques in Coloproctology
|June 6, 2025
PubMed
Summary

The COLOMASTER is the first surgical simulator for laparoscopic right hemicolectomy using artificial materials, not animal tissue. This innovative training tool enhances surgeon skills for better patient outcomes.

Keywords:
Laparoscopic surgeryRight hemicolectomyTraining simulator

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Area of Science:

  • Surgical Simulation
  • Medical Device Development
  • Laparoscopic Surgery

Background:

  • Surgeons' technical skills critically impact patient outcomes.
  • Effective surgical training is essential for improving proficiency.
  • Existing training methods may have limitations.

Purpose of the Study:

  • Introduce COLOMASTER, the first non-animal tissue training simulator for laparoscopic right hemicolectomy.
  • Detail the features and capabilities of the COLOMASTER simulator.
  • Highlight its potential for surgical education.

Main Methods:

  • Developed a simulator using dry polyester fibers for realistic multilayered membrane structures.
  • Employed bonding technology to control adhesive strength for precise tissue manipulation.
  • Integrated hydrogel for accurate electrical conductivity simulation.

Main Results:

  • COLOMASTER enables simulation of the entire surgical procedure.
  • Facilitates practice of complete mesocolic excision and central vascular ligation.
  • Allows training in intracorporeal anastomosis, a key surgical technique.

Conclusions:

  • Presents the world's first laparoscopic right hemicolectomy simulator without animal tissue.
  • COLOMASTER offers a novel platform for efficient off-the-job surgical training.
  • Expected to contribute significantly to improving surgical skills and patient care.