Design and simulation of printed spiral coil used in wireless power transmission systems for implant medical devices

Wu, W and Fang, Q 2011, 'Design and simulation of printed spiral coil used in wireless power transmission systems for implant medical devices', in Paolo Bonato (ed.) Proceedings of the Annual International Conference of the IEEE Engineering in Medicine and Biology Society, EMBS, Boston, Massachusetts, United States, 30 August - 3 September, 2011, pp. 4018-4021.


Document type: Conference Paper
Collection: Conference Papers

Title Design and simulation of printed spiral coil used in wireless power transmission systems for implant medical devices
Author(s) Wu, W
Fang, Q
Year 2011
Conference name 33rd Annual International Conference of the IEEE EMBS
Conference location Boston, Massachusetts, United States
Conference dates 30 August - 3 September, 2011
Proceedings title Proceedings of the Annual International Conference of the IEEE Engineering in Medicine and Biology Society, EMBS
Editor(s) Paolo Bonato
Publisher IEEE
Place of publication United States
Start page 4018
End page 4021
Total pages 4
Abstract Printed Spiral Coil (PSC) is a coil antenna for near-field wireless power transmission to the next generation implant medical devices. PSC for implant medical device should be power efficient and low electromagnetic radiation to human tissues. We utilized a physical model of printed spiral coil and applied our algorithm to design PSC operating at 13.56 MHz. Numerical and electromagnetic simulation of power transfer efficiency of PSC in air medium is 77.5% and 71.1%, respectively. The simulation results show that the printed spiral coil which is optimized for air will keep 15.2% power transfer efficiency in human subcutaneous tissues. In addition, the Specific Absorption Ratio (SAR) for this coil antenna in subcutaneous at 13.56 MHz is below 1.6 W/Kg, which suggests this coil is implantable safe based on IEEE C95.1 safety guideline.
Subjects Networking and Communications
Keyword(s) Design and simulation
electromagnetic simulation
human tissues
medical devices
near-field
physical model
power efficient
power transfer efficiency
safety guidelines
specific absorption ratios
spiral coils
subcutaneous tissues
wireless power transmission
wireless power transmission systems
DOI - identifier 10.1109/IEMBS.2011.6090998
Copyright notice © 2011 IEEE
ISBN 9781424441211
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