Self-Expanding Stents Open Biliary Constrictions

The Supera transhepatic biliary system is indicated for the palliative treatment of biliary strictures produced by malignant neoplasms. The system also includes a new delivery catheter that was developed specifically to address the unique design of the Supera self-expanding biliary stent. A reciprocating ratchet mechanism allows the operator to precisely place the stent in the biliary tract, providing the operator enhanced control during the procedure, and offering a retrieval capability of up to 95% for a partially deployed stent.

The Supera self-expanding biliary stent offers more than 360% greater radial force than other available laser cut nitinol tube (LCNT) self-expanding biliary stents. This increase in radial force is due to a wire-interwoven nitinol design of the stent that allows for enhanced flexibility, exceptional resistance to kinking, crimping, and fracturing, as well as great conformity to the natural vessel. The stents are available in a variety of size configurations. The Supera transhepatic biliary system was developed by IDEV Technologies (Houston, TX, USA), and approved by the U.S. Food and Drug Administration (FDA) for the treatment of malignant strictures in the biliary tree.

"[FDA] approval for the Supera Biliary Stent Delivery Catheter is the third and final regulatory step toward the global commercialization of this novel technology,” said Thomas M. Tully, Chairman and CEO of IDEV Technologies.


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