Wireless transfer of power to low power implanted biomedical devices: coil design considerations

Monolithic fabrication and advancements in MEMS and nanotechnology have made biomedical implants more popular for monitoring and other applications in humans and animals. One of the primary challenges faced in employing implants is providing a stable battery-less power supply. Inductive coupling i...

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Main Authors:	Khan, Imran Moez, Khan, Sheroz, Khalifa, Othman Omran
Format:	Conference or Workshop Item
Language:	English
Published:	2012
Subjects:	T Technology (General)
Online Access:	http://irep.iium.edu.my/41587/ http://irep.iium.edu.my/41587/ http://irep.iium.edu.my/41587/1/41587.pdf

id	iium-41587
recordtype	eprints
spelling	iium-415872015-04-28T06:41:20Z http://irep.iium.edu.my/41587/ Wireless transfer of power to low power implanted biomedical devices: coil design considerations Khan, Imran Moez Khan, Sheroz Khalifa, Othman Omran T Technology (General) Monolithic fabrication and advancements in MEMS and nanotechnology have made biomedical implants more popular for monitoring and other applications in humans and animals. One of the primary challenges faced in employing implants is providing a stable battery-less power supply. Inductive coupling is a commonly used means of transferring energy to implanted devices requiring power in milliwatt or microwatt range. Similar to passive RFID tags, an external transmit-coil may be used to induce a current in an implanted receive-coil by generating a magnetic field in the vicinity. However, it must be realized that the physical design of inductive coils and their orientation with respect to each other has a direct impact on the inductive link circuit, and power delivery. This paper focuses on developing three dimensional mathematical models of the magnetic field of spiral and solenoid coils to investigate the effect of lateral misalignment on the mutual inductance of the coils. Finite Element Method (FEM) simulations of the spiral and solenoid transmit coils are carried out to validate the developed models. Coil circuit parameters such as inductance, resistance and quality factor are also given. 2012 Conference or Workshop Item PeerReviewed application/pdf en http://irep.iium.edu.my/41587/1/41587.pdf Khan, Imran Moez and Khan, Sheroz and Khalifa, Othman Omran (2012) Wireless transfer of power to low power implanted biomedical devices: coil design considerations. In: 2012 IEEE International Instrumentation and Measurement Technology Conference (I2MTC 2012), 13th-16th May 2012, Graz, Austria. http://ieeexplore.ieee.org/xpls/abs_all.jsp?arnumber=6269384
repository_type	Digital Repository
institution_category	Local University
institution	International Islamic University Malaysia
building	IIUM Repository
collection	Online Access
language	English
topic	T Technology (General)
spellingShingle	T Technology (General) Khan, Imran Moez Khan, Sheroz Khalifa, Othman Omran Wireless transfer of power to low power implanted biomedical devices: coil design considerations
description	Monolithic fabrication and advancements in MEMS and nanotechnology have made biomedical implants more popular for monitoring and other applications in humans and animals. One of the primary challenges faced in employing implants is providing a stable battery-less power supply. Inductive coupling is a commonly used means of transferring energy to implanted devices requiring power in milliwatt or microwatt range. Similar to passive RFID tags, an external transmit-coil may be used to induce a current in an implanted receive-coil by generating a magnetic field in the vicinity. However, it must be realized that the physical design of inductive coils and their orientation with respect to each other has a direct impact on the inductive link circuit, and power delivery. This paper focuses on developing three dimensional mathematical models of the magnetic field of spiral and solenoid coils to investigate the effect of lateral misalignment on the mutual inductance of the coils. Finite Element Method (FEM) simulations of the spiral and solenoid transmit coils are carried out to validate the developed models. Coil circuit parameters such as inductance, resistance and quality factor are also given.
format	Conference or Workshop Item
author	Khan, Imran Moez Khan, Sheroz Khalifa, Othman Omran
author_facet	Khan, Imran Moez Khan, Sheroz Khalifa, Othman Omran
author_sort	Khan, Imran Moez
title	Wireless transfer of power to low power implanted biomedical devices: coil design considerations
title_short	Wireless transfer of power to low power implanted biomedical devices: coil design considerations
title_full	Wireless transfer of power to low power implanted biomedical devices: coil design considerations
title_fullStr	Wireless transfer of power to low power implanted biomedical devices: coil design considerations
title_full_unstemmed	Wireless transfer of power to low power implanted biomedical devices: coil design considerations
title_sort	wireless transfer of power to low power implanted biomedical devices: coil design considerations
publishDate	2012
url	http://irep.iium.edu.my/41587/ http://irep.iium.edu.my/41587/ http://irep.iium.edu.my/41587/1/41587.pdf
first_indexed	2023-09-18T20:59:31Z
last_indexed	2023-09-18T20:59:31Z
_version_	1777410529330987008

Wireless transfer of power to low power implanted biomedical devices: coil design considerations

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