SkinECG: An orthogonal remote powering wearable skin-like sensor
Clinical Snapshot
PICO Framework
| P — Population | Human subjects requiring long-term ECG monitoring |
| I — Intervention | SkinECG system with orthogonal remote powering via body-coupled powering (BCP) |
| C — Comparator | Traditional battery-powered or directly connected ECG monitoring devices |
| O — Outcomes | ECG signal detection capability, power transfer efficiency, device conformability, and long-term monitoring feasibility |
Bottom Line
The SkinECG system represents an innovative approach to continuous cardiac monitoring by eliminating battery dependence through body-coupled powering technology. The 0.71mm-thin, flexible design addresses key limitations of current wearable ECG devices, potentially improving patient compliance for long-term monitoring. However, this proof-of-concept study lacks crucial clinical validation data including ECG signal quality assessment, comparison with gold-standard monitoring, safety evaluation, and statistical analysis of performance metrics. While the technology shows promise for revolutionising cardiac monitoring, comprehensive clinical trials demonstrating diagnostic accuracy, patient safety, and clinical outcomes are essential before clinical adoption. Australian clinicians should await peer-reviewed clinical validation studies and TGA approval before considering this technology for patient care.
Key Findings
P Value: Not reported
Effect Size: Not quantified in abstract
Primary Outcome: Successful ECG signal detection using battery-free, remotely powered skin-like sensor
Nnt Or Sensitivity: ECG detection sensitivity and specificity not reported
Confidence Interval: Not reported
Clinical Application
Promising for clinical implementation given ultra-thin design and elimination of battery replacement needs, but requires comprehensive clinical validation Could align with Australian Digital Health Strategy and TGA medical device regulations. Potential PBS listing would require demonstrated clinical efficacy and cost-effectiveness compared to existing Holter monitors and cardiac event recorders Patients requiring long-term ECG monitoring, particularly those with cardiac arrhythmias, post-cardiac surgery patients, or those undergoing cardiac rehabilitation
Abstract
The Internet of Things (IoT) era witnessed a surge in wearable devices for the human body, each requiring a power source that supports long-term operation. However, batteries are depletable and require replacement, while the effectiveness of energy-harvesting techniques is location specific. We developed the SkinECG system, an orthogonal remote powering skin-like electrocardiogram (ECG) sensor. It is powered by body-coupled powering (BCP) using power acquired optimally via suitable energy harvesters at different locations on the human body, solving the location mismatch between the energy-harvesting source and sensor. The remote Orthogonal Energy Harvesting Network (O-EHN) effectively transfers power from multiple energy-harvesting sources without internode interference and cancellation. We demonstrated the 0.71-mm-thin, flexible SkinECG system that conforms to the human chest and detects ECG signals without any cumbersome batteries or directly connected power for long-term health monitoring.
References
- 1.Tan, J. S. Y., Li, Z., Xiong, S., Lee, S., Fong, J. Y., Tang, T., Li, J., Li, Z., Park, K., Kim, D., Feng, J., Kim, G., Zhang, L., Rusly, A., Lee, B. H. Y., Ng, K. A., Fukuda, K., Someya, T., & Yoo, J. (2026). SkinECG: An orthogonal remote powering wearable skin-like sensor. Science Advances. https://doi.org/10.1126/sciadv.aec9803
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