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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...
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Related Experiment Video

Updated: Jun 4, 2026

Rotating the Intraocular Lens to Prevent Posterior Capsular Opacification in Cataract Surgeries
04:59

Rotating the Intraocular Lens to Prevent Posterior Capsular Opacification in Cataract Surgeries

Published on: July 7, 2023

Endocapsular carousel technique phacoemulsification.

Griffin J Jardine1, Gilbert C Wong, John R Elsnab

  • 1University of Utah School of Medicine, Salt Lake City, Utah, USA.

Journal of Cataract and Refractive Surgery
|February 22, 2011
PubMed
Summary
This summary is machine-generated.

This study introduces a novel phacoemulsification tip for cataract surgery, enabling safe in-the-bag lens removal. The technique minimizes corneal endothelial injury during cataract removal.

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Area of Science:

  • Ophthalmology
  • Surgical Innovation
  • Medical Devices

Background:

  • Cataract phacoemulsification is a common surgical procedure.
  • Corneal endothelial injury is a potential complication.
  • Existing techniques may pose risks to the corneal endothelium.

Purpose of the Study:

  • To describe a novel carouseling technique for cataract phacoemulsification.
  • To introduce a newly designed phacoemulsification tip facilitating this technique.
  • To evaluate the safety and efficacy of this approach in reducing corneal injury.

Main Methods:

  • Development of a specialized phacoemulsification tip with a 20-degree bend, semicircular opening, and third irrigation port.
  • Application of the carouseling technique within the capsular bag during phacoemulsification.
  • Preoperative and postoperative assessment of corneal pachymetry and endothelial cell counts in 8 patients.

Main Results:

  • The novel tip design facilitates in-the-bag carouseling.
  • The technique successfully emulsified cataracts without lens expression into the anterior chamber.
  • Maximized distance between thermal energy and corneal endothelium potentially reduces injury.

Conclusions:

  • The described carouseling technique and specialized tip offer a promising approach to cataract phacoemulsification.
  • This method may reduce the risk of corneal endothelial damage.
  • Further studies are warranted to confirm long-term outcomes.