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. 2022 Jul 5;14(13):2751. doi: 10.3390/polym14132751

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© 2022 by the authors.

Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (https://creativecommons.org/licenses/by/4.0/).

PMC Copyright notice

Different geometries of stents (a) cylindrical (1. Glass beads, 2. acrylic glass disc, 3. hydrogel and 4. expanded stent) and (b) rectangular used in different studies, reproduced with permission from [46,47]. Reproduced with permission from Anne Seidlitz, Stefan Nagel, Beatrice Semmling, Niels Grabow, Heiner Martin, Volkmar Senz, Claus Harder, Katrin, Sternberg, Klaus-Peter Schmitz, Heyo K. Kroemer, Werner Weitschies, Examination of drug release and distribution from drug-elutingstents with a vessel-simulating flow-through cell; published by Elsevier, 2011.