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Adaptive Transcutaneous Power Transfer to Implantable Devices: A State of the Art Review

Bocan, Kara and Sejdić, Ervin (2016) Adaptive Transcutaneous Power Transfer to Implantable Devices: A State of the Art Review. Sensors, 16 (3). ISSN 1424-8220

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Wireless energy transfer is a broad research area that has recently become applicable to implantable medical devices. Wireless powering of and communication with implanted devices is possible through wireless transcutaneous energy transfer. However, designing wireless transcutaneous systems is complicated due to the variability of the environment. The focus of this review is on strategies to sense and adapt to environmental variations in wireless transcutaneous systems. Adaptive systems provide the ability to maintain performance in the face of both unpredictability (variation from expected parameters) and variability (changes over time). Current strategies in adaptive (or tunable) systems include sensing relevant metrics to evaluate the function of the system in its environment and adjusting control parameters according to sensed values through the use of tunable components. Some challenges of applying adaptive designs to implantable devices are challenges common to all implantable devices, including size and power reduction on the implant, efficiency of power transfer and safety related to energy absorption in tissue. Challenges specifically associated with adaptation include choosing relevant and accessible parameters to sense and adjust, minimizing the tuning time and complexity of control, utilizing feedback from the implanted device and coordinating adaptation at the transmitter and receiver.


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Item Type: Article
Status: Published
CreatorsEmailPitt UsernameORCID
Bocan, Karaknb12@pitt.eduknb12
Sejdić, Ervinesejdic@pitt.eduesejdic
Date: 18 March 2016
Date Type: Publication
Journal or Publication Title: Sensors
Volume: 16
Number: 3
Publisher: MDPI AG
DOI or Unique Handle: 10.3390/s16030393
Schools and Programs: Swanson School of Engineering > Electrical and Computer Engineering
Refereed: Yes
Uncontrolled Keywords: wireless power transfer, transcutaneous energy transfer, implantable medical devices, adaptive, tuning
ISSN: 1424-8220
Official URL:
Article Type: Review
Date Deposited: 11 Feb 2021 20:29
Last Modified: 11 Feb 2021 20:29


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