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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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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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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 V: ERCP01:26

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Endoscopic Procedures I: Esophagogastroduodenoscopy01:29

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An Esophagogastroduodenoscopy (EGD) is a diagnostic procedure in which an endoscopist uses a flexible, lighted endoscope to visualize the upper gastrointestinal (GI) tract. The procedure includes visualizing the oropharynx, esophagus, stomach, and the first part of the small intestine, the duodenum.
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Related Experiment Video

Updated: Nov 26, 2025

Robotics in Surgery: A Modular Robotic Platform Driven Gastric Wedge Resection
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Enabling Autonomous Colonoscopy Intervention Using a Robotic Endoscope Platform.

Qi Zhang, J Micah Prendergast, Gregory A Formosa

    IEEE Transactions on Bio-Medical Engineering
    |December 9, 2020
    PubMed
    Summary
    This summary is machine-generated.

    This study introduces an autonomous robotic endoscope system for performing interventions like biopsies. The novel system achieves high accuracy and success rates in simulated environments, paving the way for future clinical applications.

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    Area of Science:

    • Robotics
    • Medical Devices
    • Computer Vision

    Background:

    • Robotic endoscopes offer potential improvements in endoscopic procedures but face limitations in mobility and sensing.
    • Autonomous endoscopic intervention, such as biopsy, is an understudied area crucial for clinical adoption of robotic systems.

    Purpose of the Study:

    • To present an autonomous intervention technique for a Robotic Endoscope Platform (REP).
    • To address the challenge of endoscopic intervention for robotic systems.

    Main Methods:

    • Developed a workspace model for tool position estimation.
    • Employed Structure from Motion (SfM) for polyp position estimation using onboard camera and sensors.
    • Created a visual system to control REP position and forceps extension.

    Main Results:

    • Workspace model achieved 5.5% accuracy; polyp estimates were within 5 mm of absolute error.
    • Autonomous intervention completed in 15 seconds after polyp location.
    • Success rates increased with polyp size: 43% (1 cm), 67% (2 cm), and 81% (3 cm).

    Conclusions:

    • Workspace modeling and visual sensing enable autonomous endoscopic intervention.
    • These techniques are transferable to mobile robotic endoscopic devices for in vivo applications.