Powering Biomedical Devices
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Powering Biomedical Devices
From exoskeletons to neural implants, biomedical devices are no less than life-changing. Compact and constant power sources are necessary to keep these devices running efficiently. Edwar Romero's Powering Biomedical Devices reviews the background, current technologies, and possible future developments of these power sources, examining not only the types of biomedical power sources available (macro, mini, MEMS, and nano), but also what they power (such as prostheses, insulin pumps, and muscular and neural stimulators), and how they work (covering batteries, biofluids, kinetic and thermal energy, and telemetry). The book also looks at challenges such as energy generation efficiency, energy density, rectification, and energy storage and management. A final section on future trends rounds out the book. By briefly examining these key aspects, this book gives its readers a valuable overview of biomedical devices' power sources. - A compact introduction to the vital topic of biomedical devices' power sources - Reviews the background, current technologies, and possible future developments of biomedical power sources - Short-format text allows for material that is clear, concise, and to-the-point - Extensive references provided for further reading
Wireless Power Technologies for Biomedical Devices
Discover ground-breaking advancements in wireless biomedical device technology with our comprehensive book, which delves into the latest innovations revolutionizing Healthcare Chapter 1 introduces wireless power transfer (WPT) techniques, offering a solution to the frequent battery replacements required by cardiovascular implantable medical devices (cIMDs). Explore how WPT holds the promise of long-term functionality for these life-saving devices, ushering in an era of more efficient and convenient healthcare solutions. In Chapter 2, explore the world of energy harvesting for cardiovascular implants. From Triboelectric Nanogenerators (TENG) to Biofuel cells, discover how self-powering devices are reshaping the landscape of cardiovascular healthcare, reducing the need for battery replacements, and enhancing patient convenience. Chapter 3 unveils the potential of magnetoelectric composites in wireless power transfer for biomedical applications, while Chapter 4 sheds light on the competency of Triboelectric Nanogenerators in wireless device applications, offering a sustainable alternative to traditional batteries. Chapter 5 showcases the promise of photovoltaic energy scavenging for implantable medical devices, highlighting its potential to revolutionize healthcare with higher-power conversion efficiencies and smaller form factors. Explore the realm of ultrasound-based wireless powering technologies in Chapter 6, offering insights into the physics of acoustic powering and the design considerations for ultrasonically powered devices. Chapter 7 ventures into the realm of smart contact lenses, discussing their transformative potential in healthcare, augmented reality, and personalized computing. In Chapter 8, dive into the research gap for Single Input, Single-Output (SISO) state-of-the-art biomedical devices, exploring the challenges and opportunities in charge pump converters and multi-output converters. Finally, Chapter 9 explores power management integrated circuits for implantable devices, focusing on energy efficiency and optimal power usage to prolong device life and minimize power loss. With contributions from leading experts in the field, this book is an indispensable resource for researchers, engineers, and healthcare professionals alike, shaping the future of implantable medical devices and advancing patient care worldwide.
Inductive Powering
Author: Koenraad van Schuylenbergh
language: en
Publisher: Springer Science & Business Media
Release Date: 2009-05-31
Inductive powering has been a reliable and simple method for many years to wirelessly power devices over relatively short distances, from a few centimetres to a few feet. Examples are found in biomedical applications, such as cochlear implants; in RFID, such as smart cards for building access control; and in consumer devices, such as electrical toothbrushes. Device sizes shrunk considerably the past decades, demanding accurate design tools to obtain reliable link operation in demanding environments. With smaller coil sizes, the link efficiency drops dramatically to a point where the commonly used calculation methods become invalid. Inductive Powering: Basic Theory and Application to Biomedical Systems lists all design equations and topology alternatives to successfully build an inductive power and data link for your specific application. It also contains practical guidelines to expand the external driver with a servomechanism that automatically tunes itself to varying coupling and load conditions.