Seamless Power: Implanted Antennas for Biomedical Wireless Power Transfer

Wireless power transfer has emerged as a transformative technology. Traditionally, biomedical devices use batteries as a power source. Therefore, every battery replacement requires surgery. The concept of seamlessly delivering power within the human body through implanted coils and antennas has opened a new frontier in healthcare, enabling the development of innovative medical devices and <a href="http://systems.

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Some applications of implanted wireless power transfer technology include implantable medical sensors, monitoring devices, drug delivery systems, and neurostimulators. The implanted coils and antennas ensure these medical devices function optimally without the need for invasive procedures for battery replacement or <a href="http://recharging.

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When it comes to wireless power transfer, there are two major methods used in implanted devices. One is magnetic field coupling, which uses coils, and the second method involves electromagnetic waves transferred through antennas. The development of these components demands careful consideration of factors such as miniaturization, biocompatibility, and efficient power transfer over varying distances and orientations within the human body. Magnetic coupling offers high power transfer efficiency but is limited by the depth at which power can be effectively transferred. Beyond a certain depth, efficiency drops significantly. Radiative power transfer via electromagnetic waves can transfer power over larger distances, but its efficiency may become very <a href="http://low.

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An interesting research topic is how to take advantage of both methods to extend the range of power transfer while optimizing power transfer efficiency. Another primary focus in this field is the development of safe and efficient systems that comply with safety regulations. Particularly, the regulated levels of exposure in terms of Specific Absorption Rate (SAR) are critical considerations in the design and implementation of these <a href="http://technologies.

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To improve power transfer efficiency, careful modeling and simulation of these devices is essential, as well as rigorous testing in phantom and laboratory environments. This talk aims to explore some of these topics, considering the significance, challenges, and potential of wireless power transfer technology for implanted <a href="http://devices.

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Speaker(s): Dr. Sima Noghanian

Room: B-600.16, Bldg: Pavillion Principal, Galerie Rolland (B-600.16), 2500 Chem. de Polytechnique, Montréal, Quebec, Canada, H3T 1J4, Virtual: https://events.vtools.ieee.org/m/560674