Endoscopy Supplies

Niti-S™ COMVI™ Biliary Stent Covered Stent

Category: Gastroenterology

COMVI Covered Stent

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.

Product Description

  • Unfixed cell structure enables stent to conform to tortuous anatomy
  • PTFE membrane prevents the risk of tissue ingrowth
  • Outer wire mesh reduces the risk of migration
  • Minimum foreshortening for accurate placement


Indication: for malignant biliary strictures.

Radiopaque markers: 4 (four) at each end

Clinical Reference

  • Prospective evaluation of the partially covered nitinol “ComVi” stent for malignant non hilar biliary obstruction
    by Vincenzo Perri et al [Dig Liver Dis. 2013 Apr;45(4):305-9]
  • Management of distal malignant biliary obstruction with the ComVi stent, a new covered metallic stent
    by Hiroyuki Isayama et al [Surg Endosc. 2010 Jan;24(1):131-7]
  • Measurement of radial and axial forces of biliary self-expandable metallic stents
    by Hiroyuki Isayama, MD, PhD et al [Gastrointest Endosc. 2009 Jul;70(1):37-44]

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In the ever-evolving landscape of medical technology, the Niti-S™ COMVI™ Biliary Stent Covered Stent stands out as a remarkable innovation, providing relief and renewed hope for individuals with biliary issues. This advanced medical device is designed to improve the quality of life for patients dealing with various biliary disorders.

The Niti-S™ COMVI™ Biliary Stent is engineered with precision, combining a sturdy metal stent with a specialized covering, offering several advantages. Firstly, its unique design minimizes the risk of stent-related complications, such as migration or tissue ingrowth. Secondly, the covered stent provides a protective barrier, reducing the chances of bile leakage and preventing potential infections. This translates to faster recovery times and reduced discomfort for patients.

Moreover, the Niti-S™ COMVI™ Biliary Stent is known for its ease of placement during medical procedures, ensuring minimal discomfort for patients and shorter hospital stays. This innovation marks a significant stride forward in enhancing the lives of individuals suffering from biliary issues, promising a brighter, healthier future.