Electromagnetic energy harvesting in a head-mountable DBS device using a circular PIFA

Hosain, Md Kamal and Kouzani, Abbas Z. 2013, Electromagnetic energy harvesting in a head-mountable DBS device using a circular PIFA, in ICME 2013 : Proceedings of the International Conference on Complex Medical Engineering (CME), IEEE, Piscataway, N.J., pp. 541-546.

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Title Electromagnetic energy harvesting in a head-mountable DBS device using a circular PIFA
Author(s) Hosain, Md Kamal
Kouzani, Abbas Z.
Conference name Complex Medical Engineering. International Conference (2013 : Beijing, China)
Conference location Beijing, China
Conference dates 25-28 May. 2013
Title of proceedings ICME 2013 : Proceedings of the International Conference on Complex Medical Engineering (CME)
Editor(s) [Unknown]
Publication date 2013
Conference series International Conference on Complex Medical Engineering
Start page 541
End page 546
Total pages 6
Publisher IEEE
Place of publication Piscataway, N.J.
Keyword(s) DBS
PIFA
SAR
electromagnetic
energy harvesting
rectenna
Summary A circular planar inverted-F antenna (PIFA) is designed and simulated at the industrial, scientific, and medical (ISM) band of 915 MHz for energy harvesting in a head-mountable deep brain stimulation device. Moreover, a rectifier is designed, and also the interaction of the PIFA with a rat head model is investigated. In the proposed PIFA, the top radiating layer is meandered, and a substrate of FR-4 is used. The radius and the height of the antenna are 10 mm and 1.8 mm, respectively. The bottom conductive layer works as a ground plate, and a superstrate of polyethylene reduces the electromagnetic penetration into the rat head. The resonance frequency of the designed antenna is 915 MHz with a bandwidth of 18 MHz at the return loss of -10 dB in free space. The antenna parameters (e.g. reflection coefficient, gain, radiation efficiency), electric field distribution, and SAR value are evaluated within a seven-layer rat head model by using the finite difference time domain EM simulation software XFdtd. The interactions of the antenna and the rat head model are studied in both functional and biological aspects.
ISBN 1467329703
9781467329705
Language eng
Field of Research 090304 Medical Devices
090303 Biomedical Instrumentation
Socio Economic Objective 861502 Medical Instruments
HERDC Research category E1 Full written paper - refereed
Persistent URL http://hdl.handle.net/10536/DRO/DU:30057166

Document type: Conference Paper
Collection: School of Engineering
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