Near-Field Wireless Power Transfer to Stent-Based Biomedical Implants
Abstract
Safe wireless power transfer is an essential requirement for biomedical implants. Emerging technologies are becoming smaller, less invasive, and consume less power. Moreover, stent-based devices are being recognized as a minimally invasive alternative to traditional surgery. Hence, the idea of using the body of the stent as the power receiving element is becoming increasingly attractive. The objective of this paper is to analyze two near-field wireless power transfer methods to stent-based devices, viz., inductive and capacitive coupling. The methods used are lumped element modeling, ac circuit theory, finite-element analysis, experiments with excised bovine muscle tissue, and a live ovine vascular model. Capacitive coupling is proposed as an alternate method due to the transmitter design that can be worn anywhere on the body. It achieves power transfer efficiencies of 2.6% and 1% when placed at depths in muscle tissue of 15 mm and 30 mm, respectively. Safety requirements are also met. The capacitive link can accept an input power of 53 mW before exceeding the safe specific absorption rate limit of 1.6 W/kg averaged over 1 g of tissue.
Integrity signals
Registry
Cites
Statistics
Claims the paper makes
Claims other papers make about this one
Each is checked against this paper’s own text: does it say what the citing paper says it does?
The Stentrode is designed for a 10-year lifespan, avoids invasive battery replacements through wireless power using near-field RF, with a transmission depth of ≈30 mm and 2% efficiency.
“Another example of a battery-free implant is the Stentrode, designed for a 10-year lifespan, avoids invasive battery replacements through wireless power using near-field RF, with a transmission depth of ≈30 mm and 2% efficiency, connected to an Inductively Powered Internal Telemetry Unit (ITU) for power and Bluetooth signal transmission (Aldaoud et al., 2018; Oxley et al., 2020; Raza et al., 2020)”
From Comparative analysis of energy transfer mechanisms for neural implants (2024) · cites this paper as Aldaoud et al., 2018
Cites
Optimal Frequency for Wireless Power Transmission Into Dispersive Tissue
Poon, A. S. Y., O'Driscoll, S., & Meng, T. H. (2010) · IEEE Transactions on Antennas and Propagation · doi:10.1109/tap.2010.2044310 · Cited by 469 · see citing works
Flagged first, then by citations
Cited by
Sorted by citations
Wireless power transfer approaches for medical implants: a review
Haerinia, M., & Shadid, R. (2020) · Signals · doi:10.3390/signals1020012 · Cited by 174 · see citing works
The Future of Neuroimplantable Devices: A Materials Science and Regulatory Perspective
Obidin, N., Tasnim, F., & Dagdeviren, C. (2020) · Advanced Materials · doi:10.1002/adma.201901482 · Cited by 126 · see citing works
Miniature battery-free bioelectronics
Nair, V., Dalrymple, A. N., Yu, Z., Balakrishnan, G., Bettinger, C. J., Weber, D. J., Yang, K., & Robinson, J. T. (2023) · Science · doi:10.1126/science.abn4732 · Cited by 128 · see citing works
Comparative analysis of energy transfer mechanisms for neural implants
Miziev, S., Pawlak, W. A., & Howard, N. (2024) · Frontiers in Neuroscience · doi:10.3389/fnins.2023.1320441 · Cited by 21 · see citing works
- Authors
- Wiseman, G., Redoute, J.-M., Ganesan, K., Rind, G. S., John, S. E., Ronayne, S. M., Opie, N. L., Garrett, D. J., & Prawer, S.
- Affiliations
- The University of Melbourne
- Monash University
- The University of Melbourne (AU)
- ORCID
- Venue
- IEEE Journal of Electromagnetics, RF and Microwaves in Medicine and Biology
- Published
- 2018-09
- Volume
- 2
- Issue
- 3
- Pages
- 193-200
- ISSN
- 2469-7249 (ISSN-L)
- 2469-7257
- OpenAlex
- W2800431678
- Cited by
- 49
- References
- 1
- Citations by year
- 2026: 5 · 2025: 6 · 2024: 8 · 2023: 3 · 2022: 10 · 2021: 5 · 2020: 8 · 2019: 3 · 2018: 1
- FWCI
- 1.63
- Type
- journal article
- Language
- en
- Open access
- closed
- Licence
- Locations
- IEEE Journal of Electromagnetics RF and Microwaves in Medicine and Biology (publishedVersion)
- RMIT Research Repository (RMIT University Library) (submittedVersion)
- Figshare (submittedVersion)
- ORBi (University of Liège) (submittedVersion)
- Funders
- Australian Research Council (LP150100038)
- National Health and Medical Research Council (APP1062352)
- Westpac Bicentennial Research
- National Health and Medical (GNT110171)
- Topics
- Physical Sciences › Engineering › Electrical and Electronic Engineering › Wireless Power Transfer Systems
- Physical Sciences › Engineering › Biomedical Engineering › Wireless Body Area Networks
- Physical Sciences › Engineering › Mechanical Engineering › Induction Heating and Inverter Technology
- Keywords
- near-field power transfer, capacitive coupling, inductive coupling, power transfer efficiency, specific absorption rate, tissue depth, muscle tissue, vascular model, biomedical implants
About these checks
Registry, retraction, Cites and statistics results are computed, not judged, with one exception: a printed reference that no index lists is read once by a model before it counts as a citation error. Claims are extracted by a model and kept only when their quote appears verbatim in the text; each cited source is then checked, with a model’s help, for whether it says what the claim relies on. Those verdicts can be wrong — read the claim’s quote and the cited source before relying on one.
Statistics and arithmetic are recomputed, not judged.
Confidence bands are shown only for fields calibrated on our annotated test set. None is calibrated yet, so no band is shown.
What counts as a claim ›How we measure confidence ›How we check this ›
Are you an author, or do you see a problem with this page? Request a review
