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4A Double J Stent

4A Double J Stent

SKU: 4A-UR-0038

The Double J Stent (JJ Stent / Ureteral Stent) is a core endourological implant designed to restore upper urinary tract drainage from the kidney to the bladder. Featuring pigtail coils at both ends, it bypasses internal ureteral strictures, impacted calculi, and post-surgical swelling while providing a stable conduit for urine flow.

Available Sizes

3 Fr 4 Fr 4.5 Fr 5 Fr 6 Fr 7 Fr 8 Fr

Technical Specifications

Product NameDouble J Stent
Intended ApplicationRestore upper urinary tract drainage from the kidney to the bladder
Material OptionsPolyurethane (Standard 30-day), Carbothane / Silicone (Long-term 3-6 months)
ConfigurationOpen End / Open End, Closed End / Open End
Guidewire Compatibility0.035 in / 0.038 in
SterilizationEO Sterilized

Key Benefits

  • Biocompatible Material Formulations: Available in short-term polyurethane or long-term biocompatible polymers designed to resist encrustation.
  • High Flow Side Perforations: Lateral drainage holes along the entire body prevent blockage and support extraluminal and intraluminal flow.
  • Anti-Migration Pigtails: Dual memory coils lock securely into the renal calyx and vesical dome to prevent upward or downward movement.
  • Smooth Hydrophilic Coating: Reduces friction during placement over 0.035 in guidewires through narrow or edematous ureters.
  • Clear Centimeter Markings: Graduation lines along the stent body allow accurate positioning under direct endoscopic visualization.

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