Design and In-Vivo Test of Battery-Free Implantable Temperature Sensor Based on Magnetic Resonant Wireless Power Transfer

Qirui Hua; Laura Amalie Rytoft; Ben Klauman Krøyer; Ole Rahbek; Søren Vedding Kold; Ming Shen

doi:10.1109/NorCAS57515.2022.9934626

Design and In-Vivo Test of Battery-Free Implantable Temperature Sensor Based on Magnetic Resonant Wireless Power Transfer

Qirui Hua, Laura Amalie Rytoft, Ben Klauman Krøyer, Ole Rahbek, Søren Vedding Kold, Ming Shen

Research output: Contribution to book/anthology/report/conference proceeding › Article in proceeding › Research › peer-review

3 Citations (Scopus)

44 Downloads (Pure)

Abstract

The in-body operation of implantable medical devices (IMDs) bring the challenge of delivering power conveniently and safely from outside of the body-contact distance through obstacles, including skin and tissue. Magnetic resonance-based wireless power transfer (WPT) provides a promising solution for IMDs, featured by its high-power transfer efficiency at midrange distances. However, to our knowledge, very few works have investigated the performance of the resonance-based method for transferring power to sensors in vivo. Therefore, in this paper, we design an IMD powered by a WPT system and carry out an in-vivo experiment on the device. This IMD is a Bluetooth module integrated with a temperature sensor and its power is provided by a 3-coil magnetic resonance-based WPT system without batteries. Through the in-vivo experiment on a pig, we successfully apply the WPT system to power the implanted sensor for wireless in-body temperature monitoring. The results demonstrate that the examined 3-coil coupled magnetic resonance WPT method can meet the power requirement and ensure the functional operations of the implanted temperature sensor. Consequently, the capability and feasibility of the magnetic resonance approach for powering in-vivo IMDs are verified, paving the way for the future design and applications of implantable sensors.

Original language	English
Title of host publication	2022 IEEE Nordic Circuits and Systems Conference (NorCAS)
Editors	Jari Nurmi, Dag T. Wisland, Snorre Aunet, Kristian Kjelgaard
Number of pages	6
Publisher	IEEE
Publication date	Nov 2022
Pages	1-6
ISBN (Electronic)	979-8-3503-4550-6
DOIs	https://doi.org/10.1109/NorCAS57515.2022.9934626
Publication status	Published - Nov 2022
Event	NorCAS 2022 (IEEE Nordic Circuits and Systems Conference) - Hotel Scandic Helsfyr, Oslo, Norway Duration: 25 Oct 2022 → 26 Oct 2022 https://events.tuni.fi/norcas2022/

Conference

Conference	NorCAS 2022 (IEEE Nordic Circuits and Systems Conference)
Location	Hotel Scandic Helsfyr
Country/Territory	Norway
City	Oslo
Period	25/10/2022 → 26/10/2022
Internet address	https://events.tuni.fi/norcas2022/

Keywords

Implantable Medical Device
In-Vivo Test
Magnetic Resonance Coupling
Power Transfer
Temperature Sensor

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10.1109/NorCAS57515.2022.9934626

_NorCas__Design_and_In_Vivo_Test_of_Battery_Free_Implantable_Temperature_Sensor_Based_on_Magnetic_Resonant_Wireless_Power_TransferAccepted author manuscript, 894 KB

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Hua, Q., Rytoft, L. A., Krøyer, B. K., Rahbek, O., Kold, S. V., & Shen, M. (2022). Design and In-Vivo Test of Battery-Free Implantable Temperature Sensor Based on Magnetic Resonant Wireless Power Transfer. In J. Nurmi, D. T. Wisland, S. Aunet, & K. Kjelgaard (Eds.), 2022 IEEE Nordic Circuits and Systems Conference (NorCAS) (pp. 1-6). IEEE. https://doi.org/10.1109/NorCAS57515.2022.9934626

@inproceedings{701606ef24a54ad3a4dd481de3dac4c5,

title = "Design and In-Vivo Test of Battery-Free Implantable Temperature Sensor Based on Magnetic Resonant Wireless Power Transfer",

abstract = "The in-body operation of implantable medical devices (IMDs) bring the challenge of delivering power conveniently and safely from outside of the body-contact distance through obstacles, including skin and tissue. Magnetic resonance-based wireless power transfer (WPT) provides a promising solution for IMDs, featured by its high-power transfer efficiency at midrange distances. However, to our knowledge, very few works have investigated the performance of the resonance-based method for transferring power to sensors in vivo. Therefore, in this paper, we design an IMD powered by a WPT system and carry out an in-vivo experiment on the device. This IMD is a Bluetooth module integrated with a temperature sensor and its power is provided by a 3-coil magnetic resonance-based WPT system without batteries. Through the in-vivo experiment on a pig, we successfully apply the WPT system to power the implanted sensor for wireless in-body temperature monitoring. The results demonstrate that the examined 3-coil coupled magnetic resonance WPT method can meet the power requirement and ensure the functional operations of the implanted temperature sensor. Consequently, the capability and feasibility of the magnetic resonance approach for powering in-vivo IMDs are verified, paving the way for the future design and applications of implantable sensors.",

keywords = "Implantable Medical Device, In-Vivo Test, Magnetic Resonance Coupling, Power Transfer, Temperature Sensor",

author = "Qirui Hua and Rytoft, {Laura Amalie} and Kr{\o}yer, {Ben Klauman} and Ole Rahbek and Kold, {S{\o}ren Vedding} and Ming Shen",

year = "2022",

month = nov,

doi = "10.1109/NorCAS57515.2022.9934626",

language = "English",

pages = "1--6",

editor = "Nurmi, {Jari } and Wisland, {Dag T. } and Aunet, {Snorre } and Kjelgaard, {Kristian }",

booktitle = "2022 IEEE Nordic Circuits and Systems Conference (NorCAS)",

publisher = "IEEE",

address = "United States",

note = "NorCAS 2022 (IEEE Nordic Circuits and Systems Conference), NorCAS 2022 ; Conference date: 25-10-2022 Through 26-10-2022",

url = "https://events.tuni.fi/norcas2022/",

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Hua, Q, Rytoft, LA, Krøyer, BK , Rahbek, O , Kold, SV & Shen, M 2022, Design and In-Vivo Test of Battery-Free Implantable Temperature Sensor Based on Magnetic Resonant Wireless Power Transfer. in J Nurmi, DT Wisland, S Aunet & K Kjelgaard (eds), 2022 IEEE Nordic Circuits and Systems Conference (NorCAS). IEEE, pp. 1-6, NorCAS 2022 (IEEE Nordic Circuits and Systems Conference), Oslo, Norway, 25/10/2022. https://doi.org/10.1109/NorCAS57515.2022.9934626

Design and In-Vivo Test of Battery-Free Implantable Temperature Sensor Based on Magnetic Resonant Wireless Power Transfer. / Hua, Qirui; Rytoft, Laura Amalie; Krøyer, Ben Klauman et al.
2022 IEEE Nordic Circuits and Systems Conference (NorCAS). ed. / Jari Nurmi; Dag T. Wisland; Snorre Aunet; Kristian Kjelgaard. IEEE, 2022. p. 1-6.

Research output: Contribution to book/anthology/report/conference proceeding › Article in proceeding › Research › peer-review

TY - GEN

T1 - Design and In-Vivo Test of Battery-Free Implantable Temperature Sensor Based on Magnetic Resonant Wireless Power Transfer

AU - Hua, Qirui

AU - Rytoft, Laura Amalie

AU - Krøyer, Ben Klauman

AU - Rahbek, Ole

AU - Kold, Søren Vedding

AU - Shen, Ming

PY - 2022/11

Y1 - 2022/11

N2 - The in-body operation of implantable medical devices (IMDs) bring the challenge of delivering power conveniently and safely from outside of the body-contact distance through obstacles, including skin and tissue. Magnetic resonance-based wireless power transfer (WPT) provides a promising solution for IMDs, featured by its high-power transfer efficiency at midrange distances. However, to our knowledge, very few works have investigated the performance of the resonance-based method for transferring power to sensors in vivo. Therefore, in this paper, we design an IMD powered by a WPT system and carry out an in-vivo experiment on the device. This IMD is a Bluetooth module integrated with a temperature sensor and its power is provided by a 3-coil magnetic resonance-based WPT system without batteries. Through the in-vivo experiment on a pig, we successfully apply the WPT system to power the implanted sensor for wireless in-body temperature monitoring. The results demonstrate that the examined 3-coil coupled magnetic resonance WPT method can meet the power requirement and ensure the functional operations of the implanted temperature sensor. Consequently, the capability and feasibility of the magnetic resonance approach for powering in-vivo IMDs are verified, paving the way for the future design and applications of implantable sensors.

AB - The in-body operation of implantable medical devices (IMDs) bring the challenge of delivering power conveniently and safely from outside of the body-contact distance through obstacles, including skin and tissue. Magnetic resonance-based wireless power transfer (WPT) provides a promising solution for IMDs, featured by its high-power transfer efficiency at midrange distances. However, to our knowledge, very few works have investigated the performance of the resonance-based method for transferring power to sensors in vivo. Therefore, in this paper, we design an IMD powered by a WPT system and carry out an in-vivo experiment on the device. This IMD is a Bluetooth module integrated with a temperature sensor and its power is provided by a 3-coil magnetic resonance-based WPT system without batteries. Through the in-vivo experiment on a pig, we successfully apply the WPT system to power the implanted sensor for wireless in-body temperature monitoring. The results demonstrate that the examined 3-coil coupled magnetic resonance WPT method can meet the power requirement and ensure the functional operations of the implanted temperature sensor. Consequently, the capability and feasibility of the magnetic resonance approach for powering in-vivo IMDs are verified, paving the way for the future design and applications of implantable sensors.

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DO - 10.1109/NorCAS57515.2022.9934626

M3 - Article in proceeding

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EP - 6

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A2 - Nurmi, Jari

A2 - Wisland, Dag T.

A2 - Aunet, Snorre

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T2 - NorCAS 2022 (IEEE Nordic Circuits and Systems Conference)

Y2 - 25 October 2022 through 26 October 2022

ER -

Design and In-Vivo Test of Battery-Free Implantable Temperature Sensor Based on Magnetic Resonant Wireless Power Transfer

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