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Related Concept Videos

Endoscopic Procedures III: Video Capsule Endoscopy01:28

Endoscopic Procedures III: Video Capsule Endoscopy

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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 II: Colonoscopy01:25

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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 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.
During an EGD, the endoscope can be used to:
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Traction Cybernetic Avatar System for Colon ESD.

Xinchi Gao, Yoichi Haga, Noriko Tsuruoka

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    Summary
    This summary is machine-generated.

    A new endoscopic submucosal dissection (ESD) traction system enhances colorectal tumor resection by providing stable tension and precise force control. This innovation aims to simplify the complex procedure, reduce operative time, and minimize complications like bleeding and perforation.

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    Area of Science:

    • Gastroenterology
    • Surgical Technology
    • Medical Devices

    Background:

    • Colorectal Endoscopic Submucosal Dissection (ESD) is a complex procedure for removing colonic tumors.
    • The colon's confined anatomy presents significant challenges during ESD.
    • Effective traction is crucial for improving ESD efficiency and safety.

    Purpose of the Study:

    • To introduce a novel ESD traction system for colorectal procedures.
    • To enhance lesion manipulation and visualization during submucosal dissection.
    • To improve the safety and efficacy of colorectal ESD.

    Main Methods:

    • Development of a novel ESD traction system with a scaffold and lesion traction mechanism.
    • Integration of a strain gauge-based minute force sensor for precise control.
    • Testing the system's ability to provide controlled tension and facilitate lesion descent.

    Main Results:

    • The novel system provides stable and adjustable traction for colorectal ESD.
    • Improved submucosal visualization was achieved with the new traction system.
    • The system effectively mitigated procedural complexities and risks.

    Conclusions:

    • The developed ESD traction system offers significant improvements for colorectal tumor resection.
    • This innovation enhances precision, reduces complications, and streamlines the ESD procedure.
    • The system holds promise for advancing minimally invasive colorectal surgery.