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Related Concept Videos

Endoscopic Procedures II: Colonoscopy01:25

Endoscopic Procedures II: Colonoscopy

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The colon, or large intestine, is the final segment of the digestive system. Its primary functions include absorbing water and vitamins produced by gut bacteria and transforming waste from liquid to solid to form stool. In adults, the large intestine is approximately 5 feet long and consists of four main sections:
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This lesson explores three gastrointestinal imaging techniques: radionuclide testing, colonic transit studies, and virtual colonoscopy.
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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.
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Endoscopic Procedures III: Video Capsule Endoscopy01:28

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Capsule endoscopy, or wireless or video capsule endoscopy, is a diagnostic procedure for examining the entire gastrointestinal tract. Patients swallow a capsule about the size of a vitamin tablet. The capsule is equipped with a transmitter, a battery, an LED light source, and a color video camera to capture images throughout the gastrointestinal tract. This procedure is particularly useful for diagnosing conditions such as Crohn's disease, ulcerative colitis, tumors, polyps, ulcers,...
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Endoscopic Procedures I: Esophagogastroduodenoscopy01:29

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Updated: Feb 21, 2026

Structured Approach to Colonoscopy Technique Optimization: A Single-Center Experience with Novice Endoscopists
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The first homemade colonoscopy trainer.

Dominik Andrzej Walczak1, Maciej Grajek1, Paulina Agnieszka Walczak2

  • 1Department of Oncologic and Reconstructive Surgery, Maria Sklodowska-Curie Memorial Cancer Centre and Institute of Oncology, Gliwice, Poland.

Zeitschrift Fur Gastroenterologie
|October 12, 2017
PubMed
Summary
This summary is machine-generated.

This study introduces a low-cost, homemade colonoscopy simulator for medical residents. The accessible training device enhances endoscopy skills in a preclinical setting.

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Area of Science:

  • Medical Education
  • Surgical Simulation

Background:

  • Commercial colonoscopy simulators are expensive, limiting access for smaller medical centers.
  • There is a need for affordable and accessible training tools for endoscopy skills acquisition.

Purpose of the Study:

  • To design and construct a low-cost, easily buildable colonoscopy simulator.
  • To provide residents with a practical tool for learning colonoscopy procedures before clinical practice.

Main Methods:

  • A box model colonoscopy trainer was developed using fabric and rubber rings to create an artificial colon.
  • Velcro and tarp straps were incorporated to allow for adjustable bowel configurations and simulate peritoneal adhesions.
  • Elements for polypectomy training were integrated into the simulator design.

Main Results:

  • The self-constructed colonoscopy simulator proved to be an effective training tool.
  • The total cost for constructing the simulator did not exceed $30.
  • The device allows for varied bowel configurations, enhancing training realism.

Conclusions:

  • This paper presents the first homemade simulator for colonoscopy training.
  • The simulator offers a viable solution for skills acquisition in a preclinical setting.
  • The low cost and ease of construction make it accessible for various medical institutions.