The iron-based bioresorbable coronary scaffold (IBS™) of Lifetech Scientific is shown in Figure 10.7.1. The sinusoid rings of the scaffold, composed of 6-10 crowns, are connected together by 3-5 omega-shaped connectors circumferentially to cover a diameter range of 2.0-4.0 mm and a length range of 8-38 mm, which is exactly the same as mainstream permanent coronary stents. The scaffold, only 50-55 µm thick, weighs 2.6-23 mg for the entire range of available specifications, which is much less than the daily iron dosage transferred by hemoglobin in an adult blood system. A set of integrated gold marks, weighing 0.2 mg, is placed at each end of the scaffold to ensure enough radiopacity.,
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Erasmus MC: University Medical Center Rotterdam

Zhang, D. (Deyuan), Lin, W. (Wenjiao), & Qi, H. (Haiping). (2017). IBS™ bioresorbable scaffold by Lifetech. In Bioresorbable Scaffolds: From Basic Concept to Clinical Applications (pp. 509–512). doi:10.1201/9781315380629