Screw Dilator – Precision Tool for Gradual Urethral Dilation
July 28, 2025 Advin Health Care
single-blog-img

Introduction to Screw Dilator – Controlled Dilation for Precision Access in Urology

The Screw Dilator is a specialized medical instrument used in urology to gradually dilate narrow body channels like the ureter or nephrostomy tract. Its threaded design allows controlled advancement with minimal trauma. It is commonly used during PCNL and percutaneous access procedures.

Development and Design Evolution of the Screw Dilator: Advancing Tract Creation Techniques

The Screw Dilator was introduced as an improvement over conventional dilators to offer more control and precision during dilation. Its spiral design helps reduce tissue trauma and ensures steady expansion. Over time, enhancements have focused on material strength and ergonomic grip. It is now widely used in both open and minimally invasive procedures across urology centers.

What is a Screw Dilator? A Brief Overview of Its Role in Percutaneous Procedures  

Advin Health Care offers Screw Dilators made from high-strength medical-grade materials for precision and durability. These dilators provide gradual and controlled tract dilation using a screw-like mechanism, making them ideal for percutaneous access procedures. Advin Health Care designs them for compatibility with various guide wires and sheaths to support smooth surgical workflow. The unique spiral design reduces slippage and minimizes trauma to surrounding tissues. This tool is especially useful in PCNL and other nephrostomy-related interventions.

Clinical Applications – Ideal for Nephrostomy and PCNL Access Tract Dilation

  • Percutaneous Nephrolithotomy (PCNL)
  • Nephrostomy Tract Dilation
  • Urological Stone Removal
  • Percutaneous Access Procedures

How to Use a Screw Dilator – Step-by-Step Technique for Safe and Steady Expansion

  • Select appropriate size Screw Dilator
  • Position over guide wire
  • Rotate slowly to advance into the tissue
  • Stop when desired dilation is reached
  • Remove carefully and proceed with sheath insertion

Clinical Benefits – Gradual Expansion, Reduced Trauma, Enhanced Control for Surgeons

  • Provides gradual and controlled dilation
  • Reduces risk of tissue trauma compared to rapid dilation
  • Compatible with standard guide wires
  • Enhances accuracy during percutaneous access
  • Minimizes slippage during insertion
  • Suitable for both adult and pediatric applications

Also Known As – Rotating Tract Dilator, Threaded Access Dilator

Percutaneous Screw Dilator, Spiral Tract Dilator, Threaded Urology Dilator, PCNL Screw Dilator, Ureteral Access Screw Dilator, Kidney Tract Screw Dilator, Renal Spiral Dilator, Urology Access Dilator, Controlled Dilation Screw Tool, Screw-Type Urology Dilator

Advin Screw Dilator – Technical Specifications, Sizes, Compatibility, and Build Quality

  • Efficient One-Step Tract Dilation
  • Advin Health Care is a leading manufacturer of Screw Dilators designed for precise, safe, and controlled dilation in percutaneous urology procedures.
  • The Screw Dilator is designed for rapid and efficient single-step dilation of the percutaneous tract during procedures such as PCNL. It serves as an alternative to traditional sequential dilation methods and is compatible with the Amplatz sheath for smooth procedural flow.

Advanced Features

  • One-Step Dilation – Eliminates the need for multiple sequential dilators
  • Compatible with Amplatz Sheath – Seamless integration during tract formation
  • Smooth Surface – Minimizes trauma during insertion
  • Sterile & Single Use – Ensures patient safety and hygiene
  • Easy Handling – Lightweight and ergonomic for surgeon comfort

This dilator provides quick access, reduces procedural time, and minimizes tissue trauma — making it an essential tool for percutaneous urological interventions.

Explore More Products>>

Get Connected:

+91-70717 27261 | urology@advinhealthcare.com | www.advinhealthcare.com