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Tytuł:
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Biodegradable shape memory alloys: Progress and prospects.
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Autorzy:
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Wang Y; Centre for Advanced Materials Processing and Manufacturing (AMPAM), The University of Queensland, Brisbane, Queensland, 4072, Australia.
Venezuela J; Centre for Advanced Materials Processing and Manufacturing (AMPAM), The University of Queensland, Brisbane, Queensland, 4072, Australia.
Dargusch M; Centre for Advanced Materials Processing and Manufacturing (AMPAM), The University of Queensland, Brisbane, Queensland, 4072, Australia. Electronic address: .
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Źródło:
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Biomaterials [Biomaterials] 2021 Dec; Vol. 279, pp. 121215. Date of Electronic Publication: 2021 Oct 28.
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Typ publikacji:
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Journal Article; Research Support, Non-U.S. Gov't; Review
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Język:
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English
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Imprint Name(s):
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Publication: <1995-> : Amsterdam : Elsevier Science
Original Publication: [Guilford, England] : IPC Science and Technology Press, 1980-
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MeSH Terms:
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Alloys*
Shape Memory Alloys*
Biocompatible Materials ; Humans ; Metals ; Prostheses and Implants
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Contributed Indexing:
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Keywords: Biodegradable; Biomedical implants; Shape memory alloy
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Substance Nomenclature:
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0 (Alloys)
0 (Biocompatible Materials)
0 (Metals)
0 (Shape Memory Alloys)
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Entry Date(s):
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Date Created: 20211104 Date Completed: 20211214 Latest Revision: 20211214
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Update Code:
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20240105
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DOI:
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10.1016/j.biomaterials.2021.121215
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PMID:
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34736144
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Shape memory alloys (SMAs) have a wide range of potential novel medical applications due to their superelastic properties and ability to restore and retain a 'memorised' shape. However, most SMAs are permanent and do not degrade in the body when used in implantable devices. The use of non-degrading metals may lead to the requirement for secondary removal surgery and this in turn may introduce both short and long-term health risks, or additional waste disposal requirements. Biodegradable SMAs can effectively eliminate these issues by gradually degrading inside the human body while providing the necessary support for healing purposes, therefore significantly alleviating patient discomfort and improving healing efficiency. This paper reviews the current progress in biodegradable SMAs from the perspective of biodegradability, mechanical properties, and biocompatibility. By providing insights into the status of SMAs and biodegradation mechanisms, the prospects for Mg- and Fe-based biodegradable SMAs to advance biodegradable SMA-based medical devices are explored. Finally, the remaining challenges and potential solutions in the biodegradable SMAs area are discussed, providing suggestions and research frameworks for future studies on this topic.
(Copyright © 2021 Elsevier Ltd. All rights reserved.)
