Direct 3D printing of thin-walled cardiovascular stents with negative Poisson's ratio (NPR) structure and functional metallic coating

R Xiao, X Feng, W Liu, W Zhou, X Li, I Song, M Ding… - Composite …, 2023 - Elsevier
To realize sufficient radial supporting capacity, currently proposed 3D-printed polymer
vascular stents often have thicknesses> 400 μm, much thicker than the ASTM criteria of∼ 25 …

[HTML][HTML] Design, characterization, and 3D printing of cardiovascular stents with zero Poisson's ratio in longitudinal deformation

C Wang, L Zhang, Y Fang, W Sun - Engineering, 2021 - Elsevier
Inherent drawbacks associated with drug-eluting stents have prompted the development of
bioresorbable cardiovascular stents. Additive manufacturing (3-dimentional (3D) printing) …

Radial compressive property and the proof-of-concept study for realizing self-expansion of 3D printing polylactic acid vascular stents with negative Poisson's ratio …

Z Wu, J Zhao, W Wu, P Wang, B Wang, G Li, S Zhang - Materials, 2018 - mdpi.com
Biodegradable stents offer the potential to reduce the in-stent restenosis by providing
support long enough for the vessel to heal. The polylactic acid (PLA) vascular stents with …

[HTML][HTML] 3D printed tubular lattice metamaterials for mechanically robust stents

H Jiang, H Ziegler, Z Zhang, H Zhang… - Composites Part B …, 2022 - Elsevier
Coronary artery disease (CAD) is the narrowing or blockage of the coronary arteries, usually
caused by atherosclerosis. An interventional procedure using stents is a promising …

4D printing of personalized shape memory polymer vascular stents with negative Poisson's ratio structure: A preliminary study

C Lin, LJ Zhang, YJ Liu, LW Liu, JS Leng - Science China Technological …, 2020 - Springer
Abstract Four-dimensional (4D) printing, integrates transformation information into three-
dimensional (3D)-printed structures, which means that 3D-printed structures are able to …

3D-printed PCL/PLA composite stents: Towards a new solution to cardiovascular problems

AJ Guerra, P Cano, M Rabionet, T Puig, J Ciurana - Materials, 2018 - mdpi.com
Biodegradable stents (BRS) offer enormous potential but first they must meet five specific
requirements:(i) their manufacturing process must be precise;(ii) degradation should have …

Conceptual design and analysis of novel hybrid auxetic stents with superior expansion

AMM Zamani, E Etemadi, M Bodaghi, H Hu - Mechanics of Materials, 2023 - Elsevier
This paper presents a conceptual design and finite element (FE) simulation of a novel class
of negative Poisson's ratio (NPR) stents with hybrid auxetic structures fabricated by FDM 3D …

Application of Additive Manufacturing in the Development of Polymeric Bioresorbable Cardiovascular Stents: A Review

F Yasmin, A Vafadar… - Advanced Materials …, 2024 - Wiley Online Library
Polymeric vascular bioresorbable stents (BRSs) have been widely used for the treatment of
coronary artery diseases. While additive manufacturing (AM) is changing the landscape of …

4D printing of reconfigurable metamaterials and devices

T van Manen, S Janbaz, KMB Jansen… - Communications …, 2021 - nature.com
Shape-shifting materials are a powerful tool for the fabrication of reconfigurable materials.
Upon activation, not only a change in their shape but also a large shift in their material …

Preparation of 4D printed peripheral vascular stent and its degradation behavior under fluid shear stress after deployment

X Wang, Y Zhang, P Shen, Z Cheng, C Chu… - Biomaterials …, 2022 - pubs.rsc.org
Shape memory stents are mild intervention devices for vascular diseases as compared to
balloon-dilated ones; however, their degradation behavior under blood shear stress after …