In-vivo tests of an inductively powered miniaturized neural stimulator

Adam Khalifa; Yasha Karimi; Qihong Wang; Elliot Greenwald; Sherry Chiu; Milutin Stanacevic; Nitish V Thakor; Ralph Etienne-Cummings

doi:10.1109/ISCAS.2017.8050557

In-vivo tests of an inductively powered miniaturized neural stimulator

Adam Khalifa, Yasha Karimi, Qihong Wang, Elliot Greenwald, Sherry Chiu, Milutin Stanacevic, Nitish V Thakor, Ralph Etienne-Cummings

School of Medicine

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

3 Scopus citations

Abstract

This work introduces the smallest wirelessly powered neural implant to date. We provide experiment verification by successfully stimulating the sciatic nerve of a rat. Power is deliverd over a 1.7 GHz inductive link at a distance of 0.5 cm. A method is also proposed to generate biphasic current pulses without the use of a controller. The entire system is fabricated in a 0.13 μm CMOS process and occupies merely 180 μm × 180 μm.

Original language	English (US)
Title of host publication	IEEE International Symposium on Circuits and Systems
Subtitle of host publication	From Dreams to Innovation, ISCAS 2017 - Conference Proceedings
Publisher	Institute of Electrical and Electronics Engineers Inc.
ISBN (Electronic)	9781467368520
DOIs	https://doi.org/10.1109/ISCAS.2017.8050557
State	Published - Sep 25 2017
Event	50th IEEE International Symposium on Circuits and Systems, ISCAS 2017 - Baltimore, United States Duration: May 28 2017 → May 31 2017

Other

Other	50th IEEE International Symposium on Circuits and Systems, ISCAS 2017
Country/Territory	United States
City	Baltimore
Period	5/28/17 → 5/31/17

ASJC Scopus subject areas

Electrical and Electronic Engineering

Access to Document

10.1109/ISCAS.2017.8050557

Cite this

Khalifa, A., Karimi, Y., Wang, Q., Greenwald, E., Chiu, S., Stanacevic, M., Thakor, N. V., & Etienne-Cummings, R. (2017). In-vivo tests of an inductively powered miniaturized neural stimulator. In IEEE International Symposium on Circuits and Systems: From Dreams to Innovation, ISCAS 2017 - Conference Proceedings Article 8050557 Institute of Electrical and Electronics Engineers Inc.. https://doi.org/10.1109/ISCAS.2017.8050557

In-vivo tests of an inductively powered miniaturized neural stimulator. / Khalifa, Adam; Karimi, Yasha; Wang, Qihong et al.
IEEE International Symposium on Circuits and Systems: From Dreams to Innovation, ISCAS 2017 - Conference Proceedings. Institute of Electrical and Electronics Engineers Inc., 2017. 8050557.

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Khalifa, A, Karimi, Y, Wang, Q, Greenwald, E, Chiu, S, Stanacevic, M, Thakor, NV & Etienne-Cummings, R 2017, In-vivo tests of an inductively powered miniaturized neural stimulator. in IEEE International Symposium on Circuits and Systems: From Dreams to Innovation, ISCAS 2017 - Conference Proceedings., 8050557, Institute of Electrical and Electronics Engineers Inc., 50th IEEE International Symposium on Circuits and Systems, ISCAS 2017, Baltimore, United States, 5/28/17. https://doi.org/10.1109/ISCAS.2017.8050557

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AB - This work introduces the smallest wirelessly powered neural implant to date. We provide experiment verification by successfully stimulating the sciatic nerve of a rat. Power is deliverd over a 1.7 GHz inductive link at a distance of 0.5 cm. A method is also proposed to generate biphasic current pulses without the use of a controller. The entire system is fabricated in a 0.13 μm CMOS process and occupies merely 180 μm × 180 μm.

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In-vivo tests of an inductively powered miniaturized neural stimulator

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