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Related Concept Videos

Endoscopic Procedures II: Colonoscopy01:25

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Endoscopic Procedures IV: Sigmoidoscopy and Laproscopy01:26

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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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Imaging Studies III: Gastrointestinal Motility Studies and Virtual Colonoscopy01:26

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This lesson explores three gastrointestinal imaging techniques: radionuclide testing, colonic transit studies, and virtual colonoscopy.
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Endoscopic Procedures V: ERCP01:26

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Endoscopic Retrograde Cholangiopancreatography (ERCP) is a diagnostic procedure that combines endoscopy and fluoroscopy to diagnose and treat conditions related to the bile ducts, pancreatic ducts, and gallbladder. This procedure is beneficial for identifying and addressing blockages, gallstones, strictures, and tumors within the biliary or pancreatic systems. ERCP is both diagnostic and therapeutic, offering the ability to visualize and treat identified problems in one session.
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Urologic Endoscopic Procedure: Cystoscopic Examination01:28

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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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Related Experiment Video

Updated: Mar 17, 2026

Flexible Colonoscopy in Mice to Evaluate the Severity of Colitis and Colorectal Tumors Using a Validated Endoscopic Scoring System
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A hydraulically driven colonoscope.

Stuart A Coleman1, Silvia C Tapia-Siles2, Markus Pakleppa3

  • 1Institute for Medical Science and Technology (IMSaT), University of Dundee, 1 Wurzburg Loan, Dundee, DD2 1FD, UK. s.y.coleman@dundee.ac.uk.

Surgical Endoscopy
|July 25, 2016
PubMed
Summary
This summary is machine-generated.

A new hydraulic colonoscope offers a potentially less painful alternative to conventional colonoscopy. This self-propelled device shows feasibility for advancement through the colon with comparable speed and reduced external forces.

Keywords:
ColonoscopyColorectal cancerHydraulicRoboticScreening

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Area of Science:

  • Gastroenterology
  • Medical Devices
  • Robotics

Background:

  • Conventional colonoscopy demands significant operator skill and can cause patient discomfort.
  • A novel self-propelled, hydraulically driven colonoscope is proposed as an alternative approach.

Purpose of the Study:

  • To assess the feasibility of a hydraulically driven colonoscope.
  • To compare its performance against a conventional colonoscope in a simulated colon model.

Main Methods:

  • Development of a hydraulic colonoscope with manual and automatic control modes.
  • Testing in an anatomically accurate colon model.
  • Measurement of intraluminal pressures and forces on simulated colonic structures.

Main Results:

  • The hydraulic colonoscope successfully navigated the test bed in a comparable timeframe to conventional methods.
  • It demonstrated reduced forces on artificial mesenteries but increased intraluminal pressure.
  • Both manual and automatic controls were effective, with automatic control using lower pressures but taking longer.

Conclusions:

  • The hydraulic colonoscope presents a viable option for further development.
  • Observed forces and pressures are comparable to those in current clinical practice, suggesting potential for improved patient comfort and safety.