Development of a new niobium-based alloy for vascular stent applications

The evolution of cardiovascular stent materials and surfaces in response to clinical drivers: A review

“…One of the more recent research efforts has been the development of an Nb-28Ta-3.5W-1.3Zr alloy specifically for MR image compatibility. Coronary stents made from this material have been shown to provide suitable mechanical performance [82], with initial data for imaging behaviour and vascular compatibility also showing promise [83]. In summary, from a clinical imaging perspective, the most challenging requirement going forward is likely to be MR compatibility.…”

New Method for Evaluating the Visibility of Coronary Stents

“…Comparing titanium, Ti-50Ta, Ti-45Ta-5Ir [17] and Nb-based alloys [18,19] were found much more radiopaque. The producer of the ZoMaxx Stent developed a layered composite, in which the inner tantalum layer significantly improves radiopacity of the thin stent struts [20].…”

MRI-compatible Nb–60Ta–2Zr alloy for vascular stents: Electrochemical corrosion behavior in simulated plasma solution

“…ACCEPTED MANUSCRIPT 4 niobium-based alloys were developed recently, such as the Nb-28Ta-3.8W-1.3Zr [9,10] and the Nb-60Ta-2Zr [11,12].…”