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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...
Ultrasound II: Endoscopic Ultrasound and FibroScan01:25

Ultrasound II: Endoscopic Ultrasound and FibroScan

Endoscopic Ultrasound (EUS) and FibroScan are valuable diagnostic tools in gastroenterology and hepatology, each with specific applications and techniques.
Endoscopic Ultrasound (EUS):
Endoscopic Procedures IV: Sigmoidoscopy and Laproscopy01:26

Endoscopic Procedures IV: Sigmoidoscopy and Laproscopy

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...
Endoscopic Procedures II: Colonoscopy01:25

Endoscopic Procedures II: Colonoscopy

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:
Endoscopic Procedures I: Esophagogastroduodenoscopy01:29

Endoscopic Procedures I: Esophagogastroduodenoscopy

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:
Urologic Endoscopic Procedure: Cystoscopic Examination01:28

Urologic Endoscopic Procedure: Cystoscopic Examination

Meaning of Cystoscopic Examination:Cystoscopy is an essential diagnostic tool in urology that is used to assess the structure and function of the genitourinary system. It provides a direct view of the urethra, bladder, and, in some cases, the ureteral openings. This procedure helps detect structural abnormalities, infections, cancers, and blockages in the urinary tract. There are two types of cystoscopy:Flexible cystoscopy is commonly performed in outpatient settings due to its less invasive...

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Marking 25 years of capsule endoscopy: from bold innovation to enduring legacy.

Therapeutic advances in gastrointestinal endoscopy·2025
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Future innovative therapies to treat upper gastrointestinal bleeding.

Gastrointestinal endoscopy clinics of North America·2011
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Inspection of the human stomach using remote-controlled capsule endoscopy: a feasibility study in healthy volunteers (with videos).

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Remote magnetic control of a wireless capsule endoscope in the esophagus is safe and feasible: results of a randomized, clinical trial in healthy volunteers.

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Remote magnetic manipulation of a wireless capsule endoscope in the esophagus and stomach of humans (with videos).

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Related Experiment Video

Updated: Jun 8, 2026

Murine Endoscopy for In Vivo Multimodal Imaging of Carcinogenesis and Assessment of Intestinal Wound Healing and Inflammation
09:42

Murine Endoscopy for In Vivo Multimodal Imaging of Carcinogenesis and Assessment of Intestinal Wound Healing and Inflammation

Published on: August 26, 2014

At a watershed? Technical developments in wireless capsule endoscopy.

Paul Swain1

  • 1London University, UK. cpaulswain@mac.com

Journal of Digestive Diseases
|October 2, 2010
PubMed
Summary
This summary is machine-generated.

Wireless capsule endoscopy has advanced significantly in optical quality over the past decade. Future developments may expand its diagnostic use and enable therapeutic applications.

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Murine Endoscopy for In Vivo Multimodal Imaging of Carcinogenesis and Assessment of Intestinal Wound Healing and Inflammation
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Area of Science:

  • Medical Devices
  • Gastroenterology
  • Optical Engineering

Background:

  • Wireless capsule endoscopy was introduced 10 years ago.
  • Technical advancements and commercial competition have improved capsule endoscopy performance, particularly optical quality.

Purpose of the Study:

  • To review technical developments in wireless capsule endoscopy.
  • To discuss current limitations and future potential, including therapeutic applications.

Main Methods:

  • Review of technical advancements in imaging (CCD vs. CMOS), optics, illumination (LEDs, adaptive lighting), and power management.
  • Analysis of factors influencing optical quality, such as depth of focus and dome reflection.

Main Results:

  • Substantial improvements in optical quality have been achieved.
  • Current capsule technology is primarily limited to diagnostic small intestinal imaging.

Conclusions:

  • Capsule endoscopy may replace conventional diagnostic endoscopy (colonoscopy, gastroscopy, esophagoscopy) if technical and cost barriers are overcome.
  • Significant technical advances are required for capsule endoscopy to evolve into a therapeutic modality, including capabilities for biopsy, manipulation, and remote control.