Endoscopy Supplies
Gastroenterology
- Niti-S™ Self-Expandable Metal Stent
- RFA Treatment
- Solar™ GI High-Resolution Manometry Available In Canada
- Solid State Catheters Available in Canada
Available In The USA
Comvi™ (Triple layer, partially covered)
Category: Pyloric/Duodenal Stents

Indication
Malignant gastric outlet obstruction
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
Key Resources
Clinical Reference
- Efficacy of Self-Expandable Metallic Stent Inserted for Refractory Hemorrhage of Duodenal Cancer
by Takashi Orii et al [Case Rep Gastroenterol. 2016 May 2;10(1):151-6] - In situ cooling with ice water for the easier removal of self-expanding nitinol stents
by Daniel Merkel et al [Endosc Int Open. 2015 Feb;3(1):E51-5] - Successful use of a fully covered metal stent for refractory bleeding from a duodenal cancer
by Hsu-Heng Yen et al [Endoscopy. 2015;47 Suppl 1 UCTN:E34-5] - Management of malignant gastric outlet obstruction with a modified triple-layer covered metal stent
by Hiroyuki Isayama, MD, PhD et al [Gastrointest Endosc. 2012 Apr;75(4):757-63] - Self-expanding metallic stents for gastric outlet obstruction
resulting from stomach cancer: a preliminary study with a newly designed double-layered pyloric stent
by Sun Mi Lee, MD et al [Gastrointest Endosc. 2007 Dec;66(6):1206-10]
In the ever-evolving world of medical technology, Instrumed Surgical is taking the lead with their groundbreaking innovation – the Comvi™ (Triple layer, partially covered) stent. This cutting-edge medical device is set to revolutionize cardiac care and redefine stent technology as we know it.
The Comvi™ stent is a testament to Instrumed Surgical’s commitment to excellence. Its triple-layer design ensures optimum support and flexibility, enhancing its ability to adapt to the dynamic conditions of blood vessels. What sets it apart is the partially covered structure, which not only reinforces the stent’s stability but also reduces the risk of tissue overgrowth.
This unique design is poised to improve patient outcomes, minimize complications, and set new benchmarks in interventional cardiology. With Instrumed Surgical at the helm, the Comvi™ stent promises to be a game-changer, ushering in a new era of cardiac care.