IEEE TRANSACTIONS ON ANTENNAS AND PROPAGATION, VOL. 59, NO. 10, OCTOBER 2011

Chairman: Hung-Chi Yang

Presenter: Guei-Cheng Wang

Adviser: Tsung-Fu Chien

Date: 02.22.2012

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Maria Lucia Scarpello, Divya Kurup, Hendrik Rogier,DriesVandeGinste,Fabrice Axisa, Jan Vanfleteren,Wout Joseph, LucMartens and Gunter Vermeeren

OutlineOutline IntroductionIntroduction

Purpose & Purpose & MethodsMethods

MaterialsMaterials

Antenna Design Consideration

Results & DiscussionResults & Discussion

ConclusionsConclusions

ReferencesReferences

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IntroductionIntroduction Present a flexible folded slot dipole implantable antenna operating

Implantable Antennas

ISM Band

SAR

植入天線 (Implantable and Bent Antennas) 工業 科學 醫療 頻帶 (Industrial Scientific Medical  band)[ISM Band] 電磁波能量比吸收率 (Specific Absorption Rate )[SAR]

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IntroductionIntroduction

Antenna

Resonant frequency

Radiation Pattern

ISM Band

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IntroductionIntroduction SAR

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電磁波能量比吸收率 (Specific Absorption Rate )[SAR]國際非游離輻射防護協會（ International Commission on Non-Ionizing Radiation Protection (ICNIRP)

PurposePurpose & & MethodsMethods

Wirelessly transferring diagnostic information from an electronic device implanted

The implanted antenna can be transmitted wirelessly to the receiving station

To make the antenna suitable for implantation

The same antenna was reduced in size

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MaterialsMaterials

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Substrate

• PDMS

•MSL2450

聚二甲基矽氧烷（ Polydimethylsiloxane ， PDMS)電磁波能量比吸收率 (Specific Absorption Rate )[SAR]

Software

• CST MICROWAVE STUDIO

Antenna design & Structure

Antenna Design ConsiderationAntenna Design Consideration

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Coplanar Waveguide Feed (CPW-Fed) structure

Antenna Design ConsiderationAntenna Design Consideration

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共面波導 -Coplanar Waveguide

Measured & Simulated Return Loss

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Results & DiscussionResults & Discussion

回波損耗 (Return loos)

Measured & Simulated Return Loss

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Results & DiscussionResults & Discussion

Results & DiscussionResults & Discussion Measured & Simulated Return Loss

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Results & DiscussionResults & Discussion 2-D Radiation Patterns

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2.45GHZ in the y-z plane 2.45GHZ in the x-y plane,

Results & DiscussionResults & Discussion SAR

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ConclusionsConclusions

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The design, manufacturing, measurement, and sensitivity study of a flexible folded slot dipole antenna embedded in PDMS

Design of a slot dipole antenna suited for implantation into the human body

Evaluation of the characteristics of the antenna in terms of reflection coefficient in planar and bent state, E-field and gain.

Study of the sensitivity of the liquid mimicking the human muscle tissue

Checking the SAR limitations, by means of SAR measurements.

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ReferencesReferences [Online]. Available:http://www.speag.com/measurement/liquids/

C. Gabriel, S. Gabriel, and E. Corthout, “The dielectric properties of biological tissues: I. Literature survey,” Phys. Med. Biol., vol. 41, no. 11, pp. 2231–2249, 1996.

S. Gabriel, R. W. Lau, and C. Gabriel, “The dielectric properties of biological tissues: II. Measurements in the frequency range 10 Hz to 20 GHz,” Phys. Med. Biol., vol. 41, no. 11, pp. 2251–2269, 1996.

C. Gabriel, S. Gabriel, and E. Corthout, “The dielectric properties of biological tissues: III. Parametric models for the dielectric spectrum of tissues,” Phys. Med. Biol., vol. 41, no. 11, pp. 2271–2293, 1996.

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ReferencesReferences J. A. Von Arx, W. R. Mass, S. T. Mazar, and M. D. Amundson, “Antenna for an

Implantable Medic Device,” U.S. Patent 6708065, Mar. 16, 2004.

F.Merli, L.Bolomey, E.Meurville, andA.K. Skrivervik, “Implantable antenna for biomedical applications,” in Proc. IEEE Antennas and Propag. Soc. Int. Symp., San Diego, CA, 2008, pp. 584–587.

W. Xia, K. Saito, M. Takahashi, and K. Ito, “Performances of an implanted cavity slot antenna embedded in the human arm,” IEEE Trans. Antennas Propag., vol. 57, no. 4, pp. 894–899, Apr. 2009.

T. Karacolak, A. Z. Hood, and E. Topsakal, “Design of a dual-band implantable antenna and development of skin imicking gels for continuous glucose monitoring,” IEEE Trans. Microwave Theory Tech.,vol. 56, no. 4, pp. 1001–1008, Apr. 2008.

Thank You For Your Attention

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