Comvi™ Stent

Category: Biliary Stents  

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 / Features

  • 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
  • Apron design for easy donning & removal
  • Open back for cool comfort
  • Protects front and arms from bodily fluids
  • Available with knitted cuffed sleeves



For malignant biliary strictures.

Radiopaque markers: 4 (four) at each end

Product Information

Instrumed Surgical offers a full range of bite block products that offer safe, sturdy protection and provide the ultimate in clinical versatility – from price competitive high volume to specialty needs.

  • Dilator sizes from 27 Fr to 60 Fr
  • Optional incorporated O2 nares
  • Most include adjustable straps for securement with a variety of patients
  • All are Latex free
  • Optional patented Slip-Slope design slides the bite block back into patient’s mouth naturally providing an more secure fit

Clinical Reference

  • Prospective evaluation of the partially covered nitinol “Comvi” stent for malignant non hilar biliary obstruction. ELSEVIER Digestive Endoscopy 2012 Guido Costamagna
  • Measurement of radial and axial forces of biliary self-expandable metallic stents. Gastrointestinal Endoscopy Vol. 70, No.1 : 2009 Hiroyuki Isayama
  • Management of distal malignant biliary obstruction with the Comvi stent, a new covered metallic stent. Surgical Endoscopy 2009 Hiroyuki Isayama