Technology | February 06, 2007

Nitinol Self-Expanding Stent has High Radial Strength


The first interwoven nitinol self-expanding stent available in the U.S. for palliative treatment of malignant strictures in the biliary tree, the SureSave Stent will be renamed SUPERA. SUPERA represents an advance over traditional laser cut nitinol tube stents in offering more than 360 percent greater radial strength than the next strongest offering. The increase in radial strength is due to the product's interwoven nitinol wire design. Unlike traditional laser cut nitinol tube stents, the interwoven nitinol wire design allows for enhanced product strength without compromising product flexibility. The stent can withstand over 10,000,000 cycles of repeated bending and flexing to 120 degrees without fracture in an engineering bench fatigue study. The combined benefits of radial strength and flexibility improves durability for patients by reducing the incidence of stent kinking, crushing and fracturing.


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