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Self‐Expanding Cardiovascular Stents: Potentials and Challenges of Shape Memory Biomaterials.

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Title: Self‐Expanding Cardiovascular Stents: Potentials and Challenges of Shape Memory Biomaterials.
Authors: Duncan, Luci R.1 (AUTHOR) l.r.duncan@vikes.csuohio.edu, Owusu‐Danquah, Josiah S.1 (AUTHOR)
Source: Journal of Biomedical Materials Research, Part B: Applied Biomaterials. Jun2026, Vol. 114 Issue 6, p1-27. 27p.
Subjects: Shape memory effect, Shape memory alloys, Minimally invasive procedures, Endovascular surgery, Surgical stents, Elasticity, Mechanical behavior of materials
Abstract: Cardiovascular diseases affect a large portion of the global population and remain leading causes of morbidity and mortality. Endovascular stenting, a minimally invasive procedure, enables the insertion and deployment of stents to restore arterial patency without open surgery. While balloon‐expandable stents are widely used in clinical practice, shape memory biomaterials offer an alternative through self‐expansion driven by their unique properties. Shape memory materials, available as alloys or polymers, rely on temperature‐induced transformations (shape memory effect) or mechanically induced transformations (superelasticity) to expand, reducing the risk of excessive pressure during balloon inflation. This review examines the mechanical properties that underpin the unique behavior of shape memory materials, their role in self‐expanding cardiovascular stents, and future directions for endovascular applications. [ABSTRACT FROM AUTHOR]
Copyright of Journal of Biomedical Materials Research, Part B: Applied Biomaterials is the property of Wiley-Blackwell and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
Database: Engineering Source
Description
Abstract:Cardiovascular diseases affect a large portion of the global population and remain leading causes of morbidity and mortality. Endovascular stenting, a minimally invasive procedure, enables the insertion and deployment of stents to restore arterial patency without open surgery. While balloon‐expandable stents are widely used in clinical practice, shape memory biomaterials offer an alternative through self‐expansion driven by their unique properties. Shape memory materials, available as alloys or polymers, rely on temperature‐induced transformations (shape memory effect) or mechanically induced transformations (superelasticity) to expand, reducing the risk of excessive pressure during balloon inflation. This review examines the mechanical properties that underpin the unique behavior of shape memory materials, their role in self‐expanding cardiovascular stents, and future directions for endovascular applications. [ABSTRACT FROM AUTHOR]
ISSN:15524973
DOI:10.1002/jbm.b.70114