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Related Concept Videos

Urinary Tract Calculi VI: Surgical Management01:25

Urinary Tract Calculi VI: Surgical Management

Procedures for Kidney StonesMedical intervention is necessary when kidney stones or renal calculi are too large to pass spontaneously (typically greater than 5 millimeters) when stones are accompanied by symptomatic infection (such as fever or pyelonephritis), when they impair kidney function, or when they cause persistent symptoms like severe pain, nausea, or urinary retention. Additionally, patients with only one kidney or those who cannot be treated with medical management also require...
Urinary Tract Calculi III: Medical Management01:30

Urinary Tract Calculi III: Medical Management

The diagnosis of renal calculi involves several imaging techniques, including non-contrast CT scans and ultrasound. These methods help visualize kidney stones, assess their size and location, and detect possible obstructions. Additionally, Measuring urine pH is useful for diagnosing specific stone types, such as struvite (alkaline pH) and uric acid stones (acidic pH). Cystine stones are primarily linked to cystinuria, a genetic condition. A urinalysis helps detect blood in the urine (hematuria)...
Quarrying of Stone01:15

Quarrying of Stone

Quarrying is the process of extracting stone from a quarry, where specialized techniques are employed to remove large blocks of stone safely and efficiently. This process can involve controlled explosions or more precision-oriented methods such as cutting and drilling.
One common method involves using a diamond belt saw to cut large blocks from the quarry face. These blocks can be about 50 feet long and 12 feet high. After the initial vertical cut, drilling is performed at the base of the block.
Urinary Tract Calculi V: Nursing Management01:28

Urinary Tract Calculi V: Nursing Management

AssessmentSubjective Data: Obtain a detailed health history, including any recent or chronic urinary tract infections, periods of immobilization, previous episodes of renal calculi, and medical conditions such as gout, benign prostatic hyperplasia, or hyperparathyroidism. Review the medication history for drugs that may influence stone formation, including allopurinol, analgesics, loop diuretics, or thiazide diuretics. Document the use of long-term indwelling catheters and any past surgical...

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Related Experiment Video

Updated: Jun 27, 2026

Standardization of Basket Use in Sialendoscopy: A Ten-Year Retrospective Study
09:36

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Published on: June 6, 2025

A novel stone retrieval basket for more efficient lithotripsy procedures.

N Salimi1, A Mahajan, J Don

  • 1Department of Mechanical Engineering and Energy processes, Southern Illinois University, Carbondale, 62901, USA.

Journal of Medical Engineering & Technology
|December 17, 2008
PubMed
Summary

This study introduces an improved stone retrieval device featuring a Nitinol cage and laser-resistant PTFE basket. This innovation aims to efficiently remove all stone fragments in a single procedure, enhancing lithotripsy effectiveness.

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Area of Science:

  • Biomedical Engineering
  • Minimally Invasive Surgery

Background:

  • Current methods for large stone removal are tedious and may require multiple procedures.
  • Fragmented stones can reform if not entirely removed.

Purpose of the Study:

  • To develop an improved stone retrieval device for efficient removal of large kidney and biliary tract stones.
  • To enhance the effectiveness of lithotripsy procedures.

Main Methods:

  • Development of a novel Nitinol wire cage design.
  • Incorporation of a laser-resistant polytetrafluoroethylene (PTFE) mesh basket.
  • Revision of the device handle to accommodate a laser fiber optic cable (3 Fr opening).

Main Results:

  • The device successfully retains all stone fragments within the basket.
  • Two distinct cage designs were developed and presented.
  • The integrated design allows for single-session retrieval of all fragments.

Conclusions:

  • The developed stone retrieval basket significantly improves the efficiency and effectiveness of lithotripsy.
  • This device offers a more complete solution for large stone removal, reducing the need for repeat procedures.