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Related Concept Videos

Endoscopic Procedures III: Video Capsule Endoscopy01:28

Endoscopic Procedures III: Video Capsule Endoscopy

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, unexplained...
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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: Jun 29, 2026

Utilizing a 3D Printed Laparoscopic Nissen Fundoplication Model to Shorten a Resident's Learning Curve
08:21

Utilizing a 3D Printed Laparoscopic Nissen Fundoplication Model to Shorten a Resident's Learning Curve

Published on: August 15, 2025

Standardized visual overlays enhance laparoscopic instruction: A mixed-methods evaluation.

Cassandra Barber1, Jen Hoogenes1, Kikachukwu Otiono2

  • 1Department of Surgery, Division of Urology, McMaster University, St. Joseph's Healthcare Hamilton, 50 Charlton Ave East, Hamilton, Ontario, L8N 4A6, Canada.

American Journal of Surgery
|June 27, 2026
PubMed
Summary
This summary is machine-generated.

Standardized visual overlays on laparoscopic monitors improve surgical training. Alphanumeric grid (AG) overlays enhance communication clarity and spatial orientation for trainees, supporting effective intraoperative teaching.

Keywords:
Competency-based trainingIntraoperative communicationLaparoscopic educationMinimally invasive surgerySpatial orientationSurgical simulation

Related Experiment Videos

Last Updated: Jun 29, 2026

Utilizing a 3D Printed Laparoscopic Nissen Fundoplication Model to Shorten a Resident's Learning Curve
08:21

Utilizing a 3D Printed Laparoscopic Nissen Fundoplication Model to Shorten a Resident's Learning Curve

Published on: August 15, 2025

Area of Science:

  • Surgical Education
  • Medical Simulation
  • Human Factors Engineering

Background:

  • Laparoscopic surgery training faces challenges with spatial disorientation and inconsistent terminology.
  • Effective communication is crucial for skill acquisition and patient safety in minimally invasive procedures.

Purpose of the Study:

  • To evaluate the impact of standardized visual overlays on endoscopic monitors for enhancing communication and learning in laparoscopic surgery.
  • To compare the effectiveness of different overlay types (clock and alphanumeric grid) in simulation and intraoperative settings.

Main Methods:

  • A three-phase mixed-methods approach including qualitative observation, a randomized controlled trial with medical students, and intraoperative implementation.
  • Simulation phase involved a standardized transfer task with control, clock, and alphanumeric grid (AG) overlays.
  • Intraoperative phase assessed AG and clock overlays using post-case surveys and qualitative feedback.

Main Results:

  • In simulation, clock overlays reduced task completion time, while AG overlays minimized errors.
  • Both overlay types outperformed the control group in the simulation.
  • Intraoperatively, the AG overlay received higher ratings for communication clarity, spatial orientation, operative efficiency, and trainee confidence compared to the clock overlay.

Conclusions:

  • Standardized visual overlays, particularly the alphanumeric grid, can significantly improve communication and spatial orientation during laparoscopic surgery training.
  • The AG overlay provides a shared spatial frame of reference, supporting effective intraoperative teaching and enhancing the learning experience for surgical trainees.