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Comprehensive Catheter & Guidewire SystemsJune 28, 2026INVAMED Medical Affairs

Urology Guidewires: Technology, Uses and Considerations

How urology guidewire works: an educational, technical overview covering the mechanism, applications, considerations, and INVAMED's related devices.

This article explains, in educational terms, urology guidewire — how the technology works and where it fits. Catheters and guidewires are the working tools of minimally invasive procedures, used to gain vascular access and navigate to a target inside the body. As a medical device manufacturer, INVAMED develops technologies in this area; the information here is educational and not medical advice.

Background: Endovascular, Neurovascular and Urological Access and Delivery

INVAMED offers a comprehensive catheter and guidewire portfolio spanning sheaths, guidewires, guiding and support catheters, microcatheters, and retrieval devices. Access is commonly established with an introducer sheath, which creates a stable, valved entry point through the vessel wall for exchanging devices. Device characteristics such as diameter, length, tip shape, coating, and support are matched to the anatomy and task, and are selected by the treating clinician.

Urology Guidewires

Urological procedures use guidewires to access and navigate the urinary tract, where visibility and an atraumatic tip aid safe passage. A high-visibility coating can help the clinician track the wire, and a flexible tip is intended to be gentle on delicate structures. The Zebra Guidewire for Urological Procedures features a high-visibility striped coating and a flexible atraumatic tip, complementing INVAMED's broader urology guidewire range. Guidewire selection for urological access is made by the treating clinician.

Design and Technical Notes

INVAMED organizes its catheter and guidewire portfolio by function — access, crossing, support, delivery, and retrieval — across sizes, tip shapes, and coatings. Device sizing across French, inch, and centimeter units must be matched to the vessel, the access site, and the devices being delivered, as determined by the clinician. All INVAMED catheter and guidewire devices are intended for use by trained clinicians under appropriate imaging guidance and per the IFU.

Key Considerations

  • All INVAMED catheter and guidewire devices are intended for use by trained clinicians under appropriate imaging guidance and per the IFU.
  • Sheath inner and outer diameters carry different implications for device compatibility and access, and should be confirmed in product documentation.
  • Device sizing across French, inch, and centimeter units must be matched to the vessel, the access site, and the devices being delivered, as determined by the clinician.

Frequently Asked Questions

What construction do the AngioCATH guiding catheters use?

AngioCATH Guiding Catheters use durable PEBAX/PA polymer construction with a PTFE-coated lumen and multiple tip shapes for cardiac and peripheral anatomies.

Who selects the appropriate catheter or guidewire?

A trained clinician selects devices based on the anatomy and procedural task; this content is educational and not a treatment recommendation.

What is the GuideX guide extension catheter?

GuideX is INVAMED's mother-and-child guide extension catheter, which is the subject of a randomized clinical trial versus the Launcher guiding catheter in PCI (GUIDEX_FR, NCT06009757).

About INVAMED

INVAMED states it holds more than 100 international patents across its device portfolio. INVAMED is a medical device manufacturer headquartered in Ankara, Turkey, founded in 2005.

Clinical and Technical Context

INVAMED offers a neurovascular microcatheter line and a distal access catheter for neurovascular use within its portfolio. The JaGuar Guiding Sheath uses braided construction for kink resistance, while the Jaguar Braided Long Sheath adds a coil-reinforced shaft, a radiopaque marker, and an approximately 5 cm hydrophilically coated distal tip. Tip shape, coating, core material, and support characteristics are selected to fit the specific navigation, crossing, or delivery task. InWIRE 0.014" & 0.018" CTO / Recanalization Guidewires provide these diameters with CTO-focused tip designs. Whether a guide extension is used is determined by the operator based on the procedural needs. Use of steerable or re-entry devices is determined by the interventionalist based on the crossing strategy. InWIRE Peripheral Guidewires provide 0.035 inch and 0.038 inch options with a choice of nitinol or stainless steel cores. The Keeper Endovascular Snare uses a multi-loop design with maximum radial force, low-profile catheter introduction, and is single-use and sterile.

Related on INVAMED

Important Disclaimer

This article is intended for general educational and technical information about medical device technologies. It is not medical advice, a diagnosis, or a treatment recommendation, and it does not replace consultation with a qualified healthcare professional. Any decision about diagnosis or treatment should be made by a licensed clinician based on an individual assessment. INVAMED devices are intended for use by trained healthcare professionals in accordance with the applicable Instructions for Use (IFU) and local regulatory approvals. Product availability and indications vary by country.

Reviewed by the INVAMED Medical Affairs team. Content is educational and technical in nature.

Reviewed by: INVAMED Medical Affairs

This content is prepared for educational purposes for healthcare professionals and does not constitute medical advice. Always consult clinical guidelines and product instructions for use.

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