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

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, 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	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
Copyright notice	© 2011 IEEE
ISBN	9781424441211

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