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Advanced Implantable Biomedical Devices Enabled by Triboelectric Nanogenerators.
Chan Wang1,2,3, Qiongfeng Shi1,2,3, Chengkuo Lee1,2,3,4
1Department of Electrical and Computer Engineering, National University of Singapore, 4 Engineering Drive 3, Singapore 117576, Singapore.
Nanomaterials (Basel, Switzerland)
|April 23, 2022
Summary
Triboelectric nanogenerators are revolutionizing implantable biomedical devices (IMDs) by eliminating battery limitations. This technology enables long-term, self-powered healthcare solutions for monitoring, diagnosis, and treatment.
Area of Science:
- Biomedical Engineering
- Materials Science
- Energy Harvesting
Background:
- Implantable biomedical devices (IMDs) are crucial for healthcare but limited by battery life.
- Current IMDs cannot achieve long-term in situ monitoring, diagnosis, and treatment due to power constraints.
Purpose of the Study:
- To review the advancements in IMDs powered by triboelectric nanogenerators (TENGs).
- To categorize TENG-based IMDs into self-powered biosensors, in vivo energy harvesting, and electrical stimulation devices.
- To discuss future challenges and opportunities for self-powered IMDs.
Main Methods:
- Literature review of triboelectric nanogenerator applications in IMDs.
- Categorization based on device function: biosensing, energy harvesting, and therapy.
- Analysis of current limitations and future research directions.
Main Results:
- TENGs offer a battery-free solution for IMDs, enabling continuous operation.
- Development of self-powered biosensors for real-time health monitoring.
- In vivo energy harvesting and direct electrical stimulation devices are emerging.
Conclusions:
- TENGs are transforming IMDs, paving the way for self-powered healthcare systems.
- Future research should focus on enhancing TENG output, utilizing multifunctional materials, and creating closed-loop diagnosis and treatment systems.
