Glossary Entry: Ureteral Stent


Definition: A ureteral stent is a small, hollow tube placed in the ureter to help urine pass from the kidney into the bladder or to bypass an obstruction in the ureter.

Detailed Description

Types and Variations

Variations: Ureteral stents come in different sizes and materials, such as silicone or polyurethane. They may also have different designs, including double-J stents or spiral stents, each with specific applications based on the patient’s needs.


Common Uses: Ureteral stents are commonly used to treat kidney stones, urinary blockages, and after certain surgical procedures to ensure urine flow and prevent complications.

Insertion and Placement

Procedure: The insertion of a ureteral stent requires precise placement through the urinary tract using specialized instruments. Techniques such as the Seldinger technique may be employed to ensure accurate and safe placement.

Clinical Considerations

Potential Complications

Risks: Potential complications associated with ureteral stents include urinary tract infections, stent migration, and discomfort. Regular monitoring is essential to mitigate these risks.

Care and Maintenance

Maintenance Requirements: Proper care and maintenance of the ureteral stent involve maintaining adequate hydration, monitoring for signs of infection, and following the healthcare provider’s instructions for follow-up care.

Additional Information

Related Devices

Associated Terms: Other related devices include catheters, nephrostomy tubes, and ureteral access sheaths, which may be used in conjunction with ureteral stents for specific procedures.

Innovations and Advancements

Recent Developments: Recent advancements in ureteral stent technology include the development of stents with antimicrobial coatings and improved biocompatibility to reduce the risk of complications.

Regulatory and Safety Notes

Regulations: Ureteral stents must adhere to regulatory guidelines and safety standards to ensure their safety and efficacy in medical practice.