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REVIEW

3D-printed electronics for biomedical applications

Minsu Ryoo1 ,  Daeho Kim1 ,  Junseop Noh1 ,  Song Ih Ahn2*
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1 School of Mechanical Engineering, Pusan National University, Pusan, Republic of Korea
2 Department of Mechanical Engineering, Korea Advanced Institute of Science and Technology (KAIST), Daejeon, Republic of Korea
IJB, 4139 https://doi.org/10.36922/ijb.4139
Submitted: 3 July 2024 | Accepted: 2 August 2024 | Published: 7 August 2024
© 2024 by the Author(s). This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution 4.0 International License ( https://creativecommons.org/licenses/by/4.0/ )
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Abstract

Biomedical electronics have garnered significant interest due to the rising demand for advanced healthcare devices for diagnosis, monitoring, and treatment. Three-dimensional (3D) printing, or additive manufacturing, has emerged as an attractive fabrication method for developing these advanced biomedical devices. Its unique features, such as versatility, cost-effectiveness, and rapid prototyping capabilities, when combined with medical imaging technologies enable the creation of highly precise and customized patient-specific structures. Extensive research in the field of 3D printing has focused on developing biomedical devices, including wearable and implantable devices, as well as scaffolds or platforms. Recently, the integration of 3D printing with state-of-the-art electronic materials, known for their high flexibility, conductivity, stretchability, stability, and biocompatibility, has led to the development of innovative biomedical electronics. In this review, we outline the recent advancements in 3D printing technologies and their applications in bioelectronic devices. Firstly, we describe various 3D printing methods and printable electronic materials, highlighting their advantages and limitations. Subsequently, we explore the applications of these technologies in biomedical research, spanning from surgical guidance and prosthetics to health monitoring devices and tissue-engineered scaffolds. Finally, this review discusses the current challenges and future directions to fully exploit the potential of 3D-printed bioelectronic devices, aimed at transforming personalized healthcare.

Keywords
Bioelectronics
Biomedical electronics
3D printing
Biomedical devices
Personalized healthcare
Funding
This work was supported by the National Research Foundation of Korea (NRF) grant funded by the Korea government (MSIT) (No. 2022R1C1C1010823, No. RS-2023-00218543).
Conflict of interest
The authors declare they have no competing interests.
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International Journal of Bioprinting, Electronic ISSN: 2424-8002 Print ISSN: 2424-7723, Published by AccScience Publishing
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