In Vivo Testing of Circularly Polarized Implantable Antennas in Rats

Changrong Liu; Yong-Xin Guo; Rangarajan Jegadeesan; Shaoqiu Xiao

doi:10.1109/LAWP.2014.2382559

In Vivo Testing of Circularly Polarized Implantable Antennas in Rats

Changrong Liu
, Yong-Xin Guo
, Rangarajan Jegadeesan
, Shaoqiu Xiao

Research output: Journal Publications and Reviews › RGC 21 - Publication in refereed journal › peer-review

40 Citations (Scopus)

Abstract

Two types of miniaturized circularly polarized (CP) implantable antennas are tested in a rat to investigate the effects of the live tissue on the antenna performance. The two implantable antennas are designed for Industrial, Scientific, and Medical (ISM) (2.4-2.48 GHz) biomedical applications. The first implantable helical antenna is initially designed in a one-layer muscle phantom for ingestible capsule endoscope systems. The second implantable patch antenna is designed in a one-layer skin phantom for wireless implantable devices with a fixed implant position. The footprint of the proposed antennas are π × (5.5)² × 3.81 mm³ and 10 × 10 × 1.27 mm³, respectively. The two antennas were surgically implanted into the rat at Singapore Institute for Neurotechnology. The measured results in the rat were compared to the simulated ones in the one-layer phantom to evaluate the sensitivity of the antennas. © 2002-2011 IEEE.

Original language	English
Article number	6990575
Pages (from-to)	783-786
Journal	IEEE Antennas and Wireless Propagation Letters
Volume	14
DOIs	https://doi.org/10.1109/LAWP.2014.2382559
Publication status	Published - 2015
Externally published	Yes

Bibliographical note

Publication details (e.g. title, author(s), publication statuses and dates) are captured on an “AS IS” and “AS AVAILABLE” basis at the time of record harvesting from the data source. Suggestions for further amendments or supplementary information can be sent to [email protected].

Research Keywords

Capsule endoscope system
circularly polarized antenna
helical antenna
implantable antenna
in vivo
industrial scientific medical (ISM)
small antenna

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title = "In Vivo Testing of Circularly Polarized Implantable Antennas in Rats",

abstract = "Two types of miniaturized circularly polarized (CP) implantable antennas are tested in a rat to investigate the effects of the live tissue on the antenna performance. The two implantable antennas are designed for Industrial, Scientific, and Medical (ISM) (2.4-2.48 GHz) biomedical applications. The first implantable helical antenna is initially designed in a one-layer muscle phantom for ingestible capsule endoscope systems. The second implantable patch antenna is designed in a one-layer skin phantom for wireless implantable devices with a fixed implant position. The footprint of the proposed antennas are π × (5.5)2 × 3.81 mm3 and 10 × 10 × 1.27 mm3, respectively. The two antennas were surgically implanted into the rat at Singapore Institute for Neurotechnology. The measured results in the rat were compared to the simulated ones in the one-layer phantom to evaluate the sensitivity of the antennas. {\textcopyright} 2002-2011 IEEE.",

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note = "Publication details (e.g. title, author(s), publication statuses and dates) are captured on an “AS IS” and “AS AVAILABLE” basis at the time of record harvesting from the data source. Suggestions for further amendments or supplementary information can be sent to [email protected].",

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N1 - Publication details (e.g. title, author(s), publication statuses and dates) are captured on an “AS IS” and “AS AVAILABLE” basis at the time of record harvesting from the data source. Suggestions for further amendments or supplementary information can be sent to [email protected].

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AB - Two types of miniaturized circularly polarized (CP) implantable antennas are tested in a rat to investigate the effects of the live tissue on the antenna performance. The two implantable antennas are designed for Industrial, Scientific, and Medical (ISM) (2.4-2.48 GHz) biomedical applications. The first implantable helical antenna is initially designed in a one-layer muscle phantom for ingestible capsule endoscope systems. The second implantable patch antenna is designed in a one-layer skin phantom for wireless implantable devices with a fixed implant position. The footprint of the proposed antennas are π × (5.5)2 × 3.81 mm3 and 10 × 10 × 1.27 mm3, respectively. The two antennas were surgically implanted into the rat at Singapore Institute for Neurotechnology. The measured results in the rat were compared to the simulated ones in the one-layer phantom to evaluate the sensitivity of the antennas. © 2002-2011 IEEE.

KW - Capsule endoscope system

KW - circularly polarized antenna

KW - helical antenna

KW - implantable antenna

KW - in vivo

KW - industrial scientific medical (ISM)

KW - small antenna

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EP - 786

JO - IEEE Antennas and Wireless Propagation Letters

JF - IEEE Antennas and Wireless Propagation Letters

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ER -

In Vivo Testing of Circularly Polarized Implantable Antennas in Rats

Abstract

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