Endoscopy Supplies

Niti-S™ Self-Expandable Metal Colonic Comvi™ Covered​

Category: Colonic Stents

Spaxus Cold Stent

Product Description

A triple layered unfixed cell stent provides the ideal combination of radial and axial force to maintain full lumen patency in tortuous anatomies. Available in fully covered or bare ends. Bio-compatible PTFE membrane tube is held between inner and outer mesh.

Details and Features

  • Triple layered construction: Biocompatible PTFE membrane tube is held between inner and outer mesh
  • Unfixed cell structure enables stent to conform to tortuous anatomy
  • PTFE membrane prevents the risk of tissue invasion
  • Outer wire mesh prevents the risk of migration
  • Minimum foreshortening for accurate stent placement
  • Radiopaque marker: 4 (four) at both covered part ends


Indication: Malignant colorectal obstruction

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Clinical Reference

  • Successful Palliation of a Malignant Cologastric Fistula with a Covered Self-Expanding Metal Stent
    by Mathilde Therese Winther Breitenbauch et al [Clin Endosc. 2015 Nov;48(6):576-8]
  • Comparison of efficacies between stents for malignant colorectal obstruction: a randomized, prospective study
    by Semi Park, MD et al [Gastrointest Endosc. 2010 Aug;72(2):304-10]
  • Comparison of a Newly Designed Double-Layered Combination Covered Stent and D-Weave Uncovered Stent for Decompression of Obstructive Colorectal Cancer: A Prospective Multicenter Study
    by Chang Mo Moon, M.D. et al [Dis Colon Rectum. 2010 Aug;53(8):1190-6]

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Gastroenterology is a field that continually pushes the boundaries of medical innovation, and one recent breakthrough is the Niti-S™ Self-Expandable Metal Colonic Comvi™ Covered stent. This cutting-edge device represents a significant advancement in the management of colonic obstructions, offering renewed hope and improved outcomes for patients facing this challenging condition.

The Niti-S™ stent is a self-expandable metal colonic stent designed to alleviate obstructions in the large intestine caused by tumors, strictures, or other conditions. What sets the Comvi™ Covered variant apart is its unique design, featuring a protective covering over the stent. This covering minimizes the risk of tissue ingrowth and provides better support, reducing the chances of stent migration.

This innovation has revolutionized the way gastroenterologists approach colonic obstructions. It offers a minimally invasive option, avoiding the need for emergency surgery in many cases. Patients experience quicker recovery times and reduced discomfort, while healthcare providers can confidently provide an effective solution for colonic obstruction management.

In the ever-evolving field of gastroenterology, the Niti-S™ Self-Expandable Metal Colonic Comvi™ Covered stent stands out as a game-changer, exemplifying how technology continues to enhance patient care and outcomes.