J. Compos. Sci., Volume 5, Issue 1 (January 2021) – 35 articles
Cover Story (view full-size image): Radiopaque shape memory polymer (SMP) foams were developed for neurovascular embolization applications. X-ray visibility is required in embolization devices to ensure safe delivery of the devices to the targeted aneurysm site using fluoroscopy. The X-ray visibility of the SMP foams could be enhanced by adding varying degrees of highly radio-dense tantalum microparticles to a previously reported triiodobenzene-containing SMP foam premix. The developed SMP foams showed clinically relevant thermal properties, full volume expansions, good cytocompatibility, good mechanical properties, and appropriate radiopacities at neurovascular device scales. Thus, radiopaque SMP foams are very promising materials for use as neurovascular embolization devices. View this paper.
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