Wireless Power Transfer Closed-Loop Control for Low-Power Active Implantable Medical Devices

Fabiana Del Bono; Andrea Bontempi; Nicola Di Trani; Danilo Demarchi; Alessandro Grattoni; Paolo Motto Ros

doi:10.1109/SENSORS52175.2022.9967268

Wireless Power Transfer Closed-Loop Control for Low-Power Active Implantable Medical Devices

Fabiana Del Bono, Andrea Bontempi, Nicola Di Trani, Danilo Demarchi, Alessandro Grattoni, Paolo Motto Ros

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

2 Scopus citations

Abstract

Near-field resonant inductive coupling is the most mature wireless power transfer (WPT) method for implantable medical devices. Common commercial WPT components are not optimized neither to deliver small amounts of power nor to work with other than small air gaps. In this paper, a closed-loop control is integrated with commercial off-the-shelf WPT components to efficiently recharge and power an implantable device for controlled active drug delivery. The system keeps the transmitted power stable and reliable, achieving a 26 % transfer efficiency with delivered power of tens of milliwatts, guaranteeing an autonomy of 5 days with a 4-hour recharge. Overheating is kept around the 2 °C safety limit.

Original language	English (US)
Title of host publication	2022 IEEE Sensors, SENSORS 2022 - Conference Proceedings
Publisher	Institute of Electrical and Electronics Engineers Inc.
ISBN (Electronic)	9781665484640
DOIs	https://doi.org/10.1109/SENSORS52175.2022.9967268
State	Published - 2022
Event	2022 IEEE Sensors Conference, SENSORS 2022 - Dallas, United States Duration: Oct 30 2022 → Nov 2 2022

Publication series

Name	Proceedings of IEEE Sensors
Volume	2022-October
ISSN (Print)	1930-0395
ISSN (Electronic)	2168-9229

Conference

Conference	2022 IEEE Sensors Conference, SENSORS 2022
Country/Territory	United States
City	Dallas
Period	10/30/22 → 11/2/22

Keywords

Active implantable medical devices (AIMDs)
nanochannel Delivery System (nDS)
near-resonant inductive coupling (NRIC)
wireless power transfer (WPT)

ASJC Scopus subject areas

Electrical and Electronic Engineering

Access to Document

10.1109/SENSORS52175.2022.9967268

Cite this

Del Bono, F., Bontempi, A., Di Trani, N., Demarchi, D., Grattoni, A., & Ros, P. M. (2022). Wireless Power Transfer Closed-Loop Control for Low-Power Active Implantable Medical Devices. In 2022 IEEE Sensors, SENSORS 2022 - Conference Proceedings (Proceedings of IEEE Sensors; Vol. 2022-October). Institute of Electrical and Electronics Engineers Inc.. https://doi.org/10.1109/SENSORS52175.2022.9967268

Wireless Power Transfer Closed-Loop Control for Low-Power Active Implantable Medical Devices. / Del Bono, Fabiana; Bontempi, Andrea; Di Trani, Nicola et al.
2022 IEEE Sensors, SENSORS 2022 - Conference Proceedings. Institute of Electrical and Electronics Engineers Inc., 2022. (Proceedings of IEEE Sensors; Vol. 2022-October).

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

Del Bono, F, Bontempi, A, Di Trani, N, Demarchi, D, Grattoni, A & Ros, PM 2022, Wireless Power Transfer Closed-Loop Control for Low-Power Active Implantable Medical Devices. in 2022 IEEE Sensors, SENSORS 2022 - Conference Proceedings. Proceedings of IEEE Sensors, vol. 2022-October, Institute of Electrical and Electronics Engineers Inc., 2022 IEEE Sensors Conference, SENSORS 2022, Dallas, United States, 10/30/22. https://doi.org/10.1109/SENSORS52175.2022.9967268

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abstract = "Near-field resonant inductive coupling is the most mature wireless power transfer (WPT) method for implantable medical devices. Common commercial WPT components are not optimized neither to deliver small amounts of power nor to work with other than small air gaps. In this paper, a closed-loop control is integrated with commercial off-the-shelf WPT components to efficiently recharge and power an implantable device for controlled active drug delivery. The system keeps the transmitted power stable and reliable, achieving a 26 % transfer efficiency with delivered power of tens of milliwatts, guaranteeing an autonomy of 5 days with a 4-hour recharge. Overheating is kept around the 2 °C safety limit.",

keywords = "Active implantable medical devices (AIMDs), nanochannel Delivery System (nDS), near-resonant inductive coupling (NRIC), wireless power transfer (WPT)",

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AU - Grattoni, Alessandro

AU - Ros, Paolo Motto

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AB - Near-field resonant inductive coupling is the most mature wireless power transfer (WPT) method for implantable medical devices. Common commercial WPT components are not optimized neither to deliver small amounts of power nor to work with other than small air gaps. In this paper, a closed-loop control is integrated with commercial off-the-shelf WPT components to efficiently recharge and power an implantable device for controlled active drug delivery. The system keeps the transmitted power stable and reliable, achieving a 26 % transfer efficiency with delivered power of tens of milliwatts, guaranteeing an autonomy of 5 days with a 4-hour recharge. Overheating is kept around the 2 °C safety limit.

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Wireless Power Transfer Closed-Loop Control for Low-Power Active Implantable Medical Devices

Abstract

Publication series

Conference

Keywords

ASJC Scopus subject areas

Access to Document

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