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Related Concept Videos

Urologic Endoscopic Procedure: Cystoscopic Examination01:28

Urologic Endoscopic Procedure: Cystoscopic Examination

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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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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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Endoscopy is a non-surgical medical technique used to examine a person's internal organs and vessels. This lesson will focus on two types of endoscopic studies: bronchoscopy and thoracoscopy.
Bronchoscopy
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Bronchoscopy is a procedure that involves direct visualization of the larynx, trachea, and bronchi for diagnostic and therapeutic purposes. A flexible fiber optic or rigid bronchoscope is used to carry out the procedure. The fiber-optic bronchoscope is more frequently used due...
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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.
Sigmoidoscopy
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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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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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Updated: Sep 1, 2025

Murine Endoscopy for In Vivo Multimodal Imaging of Carcinogenesis and Assessment of Intestinal Wound Healing and Inflammation
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The Wales Endoscope: The First American Cystoscope.

Sutchin R Patel1, Michael E Moran2, Erwin W Rugendorff3

  • 1Department of Urology, University of Wisconsin School of Medicine and Public Health, Madison, WI.

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The Wales endoscope, an early American cystoscope, offered a simple and affordable design despite illumination limitations. This historical instrument is a rare artifact in urologic history.

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Area of Science:

  • Urology
  • Medical History
  • Surgical Instrumentation

Background:

  • The development of cystoscopes traces back to Philipp Bozzini's Lichtleiter in 1807.
  • Innovations in the mid-1800s included Antoine Desormeaux's variation and the American-developed Wales endoscope.

Purpose of the Study:

  • To research the life of Philip Skinner Wales and his cystoscope.
  • To examine the historical significance and design of the Wales endoscope.
  • To document the instrument maker Horatio Kern's role in producing the Wales cystoscope.

Main Methods:

  • Historical research into Philip Skinner Wales's career and publications.
  • Examination of the Wales endoscope artifact at the William P. Didusch Museum of Urologic History.
  • Analysis of the cystoscope's design, materials, and comparative advantages/disadvantages.

Main Results:

  • Philip Skinner Wales, a notable US Navy surgeon, designed a cystoscope in 1868.
  • The Wales endoscope featured a simple, lightweight, and inexpensive design with an external light source and ophthalmologic mirror.
  • Drawbacks included inadequate illumination and a small visual field due to the lack of an optical system.

Conclusions:

  • The Wales endoscope represents a unique American contribution to early cystoscope development.
  • Its simple design and low production cost made it notable.
  • It is considered an important historical artifact and one of the earliest, rarest cystoscopes.