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Remote Powering And Data Communication For Implanted Biomedical Systems
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Book Synopsis Remote Powering and Data Communication for Implanted Biomedical Systems by : Enver Gurhan Kilinc
Download or read book Remote Powering and Data Communication for Implanted Biomedical Systems written by Enver Gurhan Kilinc and published by Springer. This book was released on 2015-09-17 with total page 146 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book describes new circuits and systems for implantable biomedical applications and explains the design of a batteryless, remotely-powered implantable micro-system, designed for long-term patient monitoring. Following new trends in implantable biomedical applications, the authors demonstrate a system which is capable of efficient, remote powering and reliable data communication. Novel architecture and design methodologies are used to transfer power with a low-power, optimized inductive link and data is transmitted by a reliable communication link. Additionally, an electro-mechanical solution is presented for tracking and monitoring the implantable system, while the patient is mobile.
Book Synopsis Wireless Power Transfer and Data Communication for Intracranial Neural Recording Applications by : Kerim Türe
Download or read book Wireless Power Transfer and Data Communication for Intracranial Neural Recording Applications written by Kerim Türe and published by Springer Nature. This book was released on 2020-03-04 with total page 119 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book describes new circuits and systems for implantable wireless neural monitoring systems and explains the design of a batteryless, remotely-powered implantable micro-system, designed for continuous neural monitoring. Following new trends in implantable biomedical applications, the authors demonstrate a system which is capable of efficient remote powering and reliable data communication. Novel architecture and design methodologies are used for low power and small area wireless communication link. Additionally, hermetically sealed packaging and in-vivo validation of the implantable device is presented.
Book Synopsis Wireless Power Transfer and Data Communication for Neural Implants by : Gürkan Yilmaz
Download or read book Wireless Power Transfer and Data Communication for Neural Implants written by Gürkan Yilmaz and published by Springer. This book was released on 2017-01-01 with total page 110 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book presents new circuits and systems for implantable biomedical applications targeting neural recording. The authors describe a system design adapted to conform to the requirements of an epilepsy monitoring system. Throughout the book, these requirements are reflected in terms of implant size, power consumption, and data rate. In addition to theoretical background which explains the relevant technical challenges, the authors provide practical, step-by-step solutions to these problems. Readers will gain understanding of the numerical values in such a system, enabling projections for feasibility of new projects.
Book Synopsis Ultrasound Energy and Data Transfer for Medical Implants by : Francesco Mazzilli
Download or read book Ultrasound Energy and Data Transfer for Medical Implants written by Francesco Mazzilli and published by Springer Nature. This book was released on 2020-09-02 with total page 172 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book presents new systems and circuits for implantable biomedical applications, using a non-conventional way to transmit energy and data via ultrasound. The authors discuses the main constrains (e.g. implant size, battery recharge time, data rate, accuracy of the acoustic models) from the definition of the ultrasound system specification to the in-vitro validation.The system described meets the safety requirements for ultrasound exposure limits in diagnostic ultrasound applications, according to FDA regulations. Readers will see how the novel design of power management architecture will meet the constraints set by FDA regulations for maximum energy exposure in the human body. Coverage also includes the choice of the acoustic transducer, driven by optimum positioning and size of the implanted medical device. Throughout the book, links between physics, electronics and medical aspects are covered to give a complete view of the ultrasound system described. Provides a complete, system-level perspective on the use of ultrasound as energy source for medical implants; Discusses system design concerns regarding wireless power transmission and wireless data communication, particularly for a system in which both are performed on the same channel/frequency; Describes an experimental study on implantable battery powered biomedical systems; Presents a fully-integrated, implantable system and hermetically sealed packaging.
Book Synopsis Inductive Links for Wireless Power Transfer by : Pablo Pérez-Nicoli
Download or read book Inductive Links for Wireless Power Transfer written by Pablo Pérez-Nicoli and published by Springer Nature. This book was released on 2021-07-10 with total page 230 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book presents a system-level analysis of inductive wireless power transfer (WPT) links. The basic requirements, design parameters, and utility of key building blocks used in inductive WPT links are presented, followed by detailed theoretical analysis, design, and optimization procedure, while considering practical aspects for various application domains. Readers are provided with fundamental, yet easy to follow guidelines to help them design high-efficiency inductive links, based on a set of application-specific target specifications. The authors discuss a wide variety of recently proposed approaches to achieve the maximum efficiency point, such as the use of additional resonant coils, matching networks, modulation of the load quality factor (Q-modulation), and adjustable DC-DC converters. Additionally, the attainability of the maximum efficiency point together with output voltage regulation is addressed in a closed-loop power control mechanism. Numerous examples, including MATLAB/Octave calculation scripts and LTspice simulation files, are presented throughout the book. This enables readers to check their own results and test variations, facilitating a thorough understanding of the concepts discussed. The book concludes with real examples demonstrating the practical application of topics discussed. Covers both introductory and advanced levels of theory and practice, providing readers with required knowledge and tools to carry on from simple to advanced wireless power transfer concepts and system designs; Provides theoretical foundation throughout the book to address different design aspects; Presents numerous examples throughout the book to complement the analysis and designs; Includes supplementary material (numerical and circuit simulation files) that provide a "hands-on" experience for the reader; Uses real examples to demonstrate the practical application of topics discussed.
Book Synopsis Smart system for invasive measurement of biomedical parameters by : Bibin John
Download or read book Smart system for invasive measurement of biomedical parameters written by Bibin John and published by Logos Verlag Berlin GmbH. This book was released on 2017-08-22 with total page 164 pages. Available in PDF, EPUB and Kindle. Book excerpt: Permanent monitoring of blood pressure helps in diagnosis and tracking progress of medical interventions. This dissertation details the design, fabrication and implementation of tiny wirelessly powered implant devices for detection of endoleaks and occlusion occurring in stent grafts used for treatment of Abdominal Aortic Aneurysm (AAA) and portal hypertension (due to liver cirrhosis). Custom fabricated low-power application-specific integrated circuit (ASIC) together with pressure sensors and telemetry units for wireless power reception and data transmission form an implant device. Using wireless inductive telemetry links, these devices achieved a wireless range of 20 cm.
Book Synopsis Biomedical Knowledge Management: Infrastructures and Processes for E-Health Systems by : Pease, Wayne
Download or read book Biomedical Knowledge Management: Infrastructures and Processes for E-Health Systems written by Pease, Wayne and published by IGI Global. This book was released on 2010-03-31 with total page 412 pages. Available in PDF, EPUB and Kindle. Book excerpt: "This book provides multidisciplinary best practices and experiences in knowledge management relevant to the healthcare industry"--Provided by publisher.
Book Synopsis Omnidirectional Inductive Powering for Biomedical Implants by : Bert Lenaerts
Download or read book Omnidirectional Inductive Powering for Biomedical Implants written by Bert Lenaerts and published by Springer Science & Business Media. This book was released on 2008-10-14 with total page 222 pages. Available in PDF, EPUB and Kindle. Book excerpt: Omnidirectional Inductive Powering for Biomedical Implants investigates the feasibility of inductive powering for capsule endoscopy and freely moving systems in general. The main challenge is the random position and orientation of the power receiving system with respect to the emitting magnetic field. Where classic inductive powering assumes a predictable or fixed alignment of the respective coils, the remote system is now free to adopt just any orientation while still maintaining full power capabilities. Before elaborating on different approaches towards omnidirectional powering, the design and optimisation of a general inductive power link is discussed in all its aspects. Special attention is paid to the interaction of the inductive power link with the patient’s body. Putting theory into practice, the implementation of an inductive power link for a capsule endoscope is included in a separate chapter.
Book Synopsis Principles of Inductive Near Field Communications for Internet of Things by : Johnson I. Agbinya
Download or read book Principles of Inductive Near Field Communications for Internet of Things written by Johnson I. Agbinya and published by CRC Press. This book was released on 2022-09-01 with total page 326 pages. Available in PDF, EPUB and Kindle. Book excerpt: Near field communication devices and the emerging field of Internet of things require efficient short range communication techniques. Classical telecommunication theory however has so far focused on radiating electromagnetic signals which is more suited to terrestrial communication systems. Over the last decade however considerable research and applications of inductive methods have emerged as innovative approaches for secure short range communications by changing the paradigm of an established model of electromagnetic communications. We have witnessed the emergence of embedded inductive medical devices, magneto-inductive waveguides, inductive pots and cooking devices, magneto-inductive sensors, wireless power transfer, inductive hearing aids and the emerging inductive point-to-point communication specifically termed near-field communication (NFC) as used in mobile phones and payment cards to name a few. While there exist a large set of distributed methods and algorithms detailing the design and performances of such applications, a significant gap is observed as a lack of detailed collection of the methods in one place which could be easily understood and used quickly by someone seeking to apply the methods.In this book this missing gap is filled with the required details and the theory of near field communication systems including both the radiating and reactive (energy coupling) near-field systems in addition to the well known far field radiation techniques. The book details the fundamental expressions and design methods which facilitate the creation of near field devices and equipment including embedded biomedical implants. The book contains recent advances in inductive communications, performance, limitations and a collection of applications. It also lays a strong foundation for the application of inductive methods for creating Internet of Things systems.
Book Synopsis Energy Harvesting with Functional Materials and Microsystems by : Madhu Bhaskaran
Download or read book Energy Harvesting with Functional Materials and Microsystems written by Madhu Bhaskaran and published by CRC Press. This book was released on 2017-12-19 with total page 292 pages. Available in PDF, EPUB and Kindle. Book excerpt: For decades, people have searched for ways to harvest energy from natural sources. Lately, a desire to address the issue of global warming and climate change has popularized solar or photovoltaic technology, while piezoelectric technology is being developed to power handheld devices without batteries, and thermoelectric technology is being explored to convert wasted heat, such as in automobile engine combustion, into electricity. Featuring contributions from international researchers in both academics and industry, Energy Harvesting with Functional Materials and Microsystems explains the growing field of energy harvesting from a materials and device perspective, with resulting technologies capable of enabling low-power implantable sensors or a large-scale electrical grid. In addition to the design, implementation, and components of energy-efficient electronics, the book covers current advances in energy-harvesting materials and technology, including: High-efficiency solar technologies with lower cost than existing silicon-based photovoltaics Novel piezoelectric technologies utilizing mechanical energy from vibrations and pressure The ability to harness thermal energy and temperature profiles with thermoelectric materials Whether you’re a practicing engineer, academician, graduate student, or entrepreneur looking to invest in energy-harvesting devices, this book is your complete guide to fundamental materials and applied microsystems for energy harvesting.
Book Synopsis Development of a Wirelessly Powered Smart Implant to Monitor Spinal Fusion by : Nicole (Negar) Zoka
Download or read book Development of a Wirelessly Powered Smart Implant to Monitor Spinal Fusion written by Nicole (Negar) Zoka and published by The University of Auckland. This book was released on 2021-01-01 with total page 166 pages. Available in PDF, EPUB and Kindle. Book excerpt: Lumbar spinal fusion surgery is performed on patients in whom non-operative treatments have failed to relieve chronic lower back pain (LBP) and restore functionality. The procedure involves inserting titanium alloy rods adjacent to two or more vertebrae on each side of the spine to support spinal fusion. Currently, clinicians rely upon periodic x-ray radiographic images to track fusion progress and determine whether patients can resume normal activities or to assess if the fusion has failed. However, the reliability of imaging evaluation techniques is questionable and leads to either very conservative (and prolonged) restrictions on activity or additional exploratory surgeries. The definitive criteria for a successful fusion remain ambiguous, and determining the progress of spinal fusion remains a challenge for orthopaedic surgeons and clinicians. Observing strain variations on a spinal fusion rod post-implantation has been demonstrated to correlate with changes in bony mass stiffness as fusion progresses, indicating the state of fusion. The challenge with strain measurements relates to having a reliable implant which aligns with existing clinical workflows and provides new data on the state of healing. If the existing titanium alloy rod could be made "smart", i.e. the strain measurement capabilities are embedded into the rod, then the existing clinical, surgical workflow could be maintained. This research focuses on the design and development of a smart spinal fusion implant with the potential to measure strain without complication in the surgical procedure. To meet this aim, two key research questions were addressed. First, a fully implantable wireless spinal rod was developed to support animal trials of spinal fusion. The implant was constructed by mounting a semiconductor strain gauge sensor into a housing machined into a custom spinal rod. A miniaturised electronic module was developed to measure the strain and transmit the data to an external wireless receiver. The module consisted of a strain gauge signal conditioning which was controlled by a microcontroller, and a custom wireless power and data transfer application-specific integrated circuit (ASIC) developed previously at the Auckland Bioengineering Institute (ABI). The electronics module was mounted into the housing, and a printed circuit board (PCB) coil was placed on top of it. This was sealed under a liquid crystal polymer (LCP) lid. Wireless power was transferred to the implant from an external coil at 6.78MHz for 980ms, over which 10 samples of strain were measured. The data was then transmitted using phase-shift keying at a data rate of 678kbps at 6.78MHz. Data was received at an external coil, demodulated and logged to a computer with a measurement cycle taking one second. The implant was characterised on a test rig, and it was confirmed that the 24-bit strain values could be wirelessly measured using the smart spinal implant designed to achieve 1με resolution. This showed that the device was ready for animal trials to quantify strain as fusion occurs in a sheep model. Second, to make the implant clinically relevant, it would be preferable to replace the LCP lid with titanium. LCP is an appropriate seal for animal trials with a lifespan of around several months before water permeates through it, and the device becomes unreliable. Titanium can be welded to the rod to achieve a hermetic seal (gas-tight) with a lifespan of many years, which leads to a smaller device and eases reliable manufacturing as welding is possible. However, this would require transferring inductive power through the conductive titanium lid, which has not been achieved in a spinal implant. Thus, inductive power transfer through metal sheets was investigated via a combination of numerical and experimental tests. A simple test set-up based on hand-wound, cylindrical 10-turn primary (inner radius of 30mm) and 10-turn secondary coils (inner radius of 5mm) was created into which metal sheets could be introduced to allow study their impact on wireless power transfer. The equivalent 2D axisymmetric FEM models were developed to analyse inductive link principles and validate experimental studies. The hand-wound coils were also used to investigate the impact of a titanium enclosure on IWPT system parameters through both simulations and experiments. The simulation results matched experimental results reasonably well, validating the approach; thus, in the future, the validated FEM simulations could be used to investigate power transfer to a miniaturised titanium-packaged smart spinal fusion implant. The impact of the titanium spinal fusion implant, consisting of a titanium spinal rod, housing, and lid, on an IWPT system and an optimum frequency for maximum power transfer was determined. The maximum transferred power was dependent on the titanium alloy, lid thickness, implant size, implant coil location, frequency of power transmission, magnitude of the primary field, and primary and secondary coils dimensions and configurations. FEM simulation results revealed that a maximum power of 1.84mW, at 1A primary current and an operating frequency of approximately 400kHz, could be transferred through a 110μm-thick Grade-5 titanium lid used to seal a 5.5mm-thick, 50mm-long Grade-5 titanium rod, and 0.5m-thick, Grade-5 housing with an internal volume of 18 x 8 x 5mm (L x W x H) for this spinal fusion application. The maximum link potential of 0.035 at 199kHz could be achieved for the same set-up. These results indicated that an acceptable amount of power could be transferred through titanium to power the implanted electronics, supporting the future development of titanium packaged smart spinal fusion rods. This research supports the hypothesis that it is feasible to construct a smart spinal fusion implant that includes the function of measuring strain, can ultimately be employed in clinical practices of spinal fusion, detection of the onset of fusion, non-union or other complications, determination of the efficiency of various bone treatments, and the design of rehabilitation protocols.
Book Synopsis Antennas and Wireless Power Transfer Methods for Biomedical Applications by : Yongxin Guo
Download or read book Antennas and Wireless Power Transfer Methods for Biomedical Applications written by Yongxin Guo and published by John Wiley & Sons. This book was released on 2024-03-14 with total page 610 pages. Available in PDF, EPUB and Kindle. Book excerpt: Antennas and Wireless Power Transfer Methods for Biomedical Applications Join the cutting edge of biomedical technology with this essential reference The role of wireless communications in biomedical technology is a significant one. Wireless and antenna-driven communication between telemetry components now forms the basis of cardiac pacemakers and defibrillators, cochlear implants, glucose readers, and more. As wireless technology continues to advance and miniaturization progresses, it’s more essential than ever that biomedical research and development incorporate the latest technology. Antennas and Wireless Power Transfer Methods for Biomedical Applications provides a comprehensive introduction to wireless technology and its incorporation into the biomedical field. Beginning with an introduction to recent developments in antenna and wireless technology, it analyzes the major wireless systems currently available and their biomedical applications, actual and potential. The result is an essential guide to technologies that have already improved patient outcomes and increased life expectancies worldwide. Readers will also find: Authored by internationally renowned researchers of wireless technologies Detailed analysis of CP implantable antennas, wearable antennas, near-field wireless power, and more Up to 100 figures that supplement the text Antennas and Wireless Power Transfer Methods for Biomedical Applications is a valuable introduction for biomedical researchers and biomedical engineers, as well as for research and development professionals in the medical device industry.
Book Synopsis Bio-Medical CMOS ICs by : Hoi-Jun Yoo
Download or read book Bio-Medical CMOS ICs written by Hoi-Jun Yoo and published by Springer Science & Business Media. This book was released on 2010-11-02 with total page 526 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book is based on a graduate course entitled, Ubiquitous Healthcare Circuits and Systems, that was given by one of the editors at his university. It includes an introduction and overview to the field of biomedical ICs and provides information on the current trends in research. The material focuses on the design of biomedical ICs rather than focusing on how to use prepared ICs.
Book Synopsis Biomedical Nanosensors by : Joseph M. Irudayaraj
Download or read book Biomedical Nanosensors written by Joseph M. Irudayaraj and published by CRC Press. This book was released on 2012-11-21 with total page 402 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book draws together recent data on both cytoplasmic and flagellar dyneins and the proteins they interact with, to give the reader a clear picture of what is currently known about the structure and mechanics of these remarkable macro-molecular machines. Each chapter is written by active researchers, with a focus on currently used biophysical, b
Book Synopsis Green Communication Technologies for Future Networks by : Gurjit Kaur
Download or read book Green Communication Technologies for Future Networks written by Gurjit Kaur and published by CRC Press. This book was released on 2022-10-31 with total page 301 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book explores all the energy-efficient communication technologies used for various communication systems and every aspect of these systems, such as green electronics, network protocols, handover, codes, antenna, and the role of artificial intelligence and IoT, including the energy management strategies. It identifies the development of sustainable plans and programs at the communication level within the current legislative framework. Features: Gives a fundamental description of the green communications including granularities of green wired and wireless systems. Describes a comprehensive review of innovations, challenges, and opportunities for green communication. Provides guiding principles on how to build the green communication network. Includes a holistic view of both wireless and wired green communication systems with an emphasis on applications and challenges in each area. Suggests various ways of benchmarking and measuring the performance of green communication systems. This book will be of great interest to graduate students and researchers in green technologies, communications, wireless communication, optical communication, underwater communication, microwave and satellite communication, networking, the internet of things, and energy management.
Book Synopsis Smart Adaptive Systems on Silicon by : Maurizio Valle
Download or read book Smart Adaptive Systems on Silicon written by Maurizio Valle and published by Springer Science & Business Media. This book was released on 2013-06-05 with total page 309 pages. Available in PDF, EPUB and Kindle. Book excerpt: Intelligent/smart systems have become common practice in many engineering applications. On the other hand, current low cost standard CMOS technology (and future foreseeable developments) makes available enormous potentialities. The next breakthrough will be the design and development of "smart adaptive systems on silicon" i.e. very power and highly size efficient complete systems (i.e. sensing, computing and "actuating" actions) with intelligence on board on a single silicon die. Smart adaptive systems on silicon will be able to "adapt" autonomously to the changing environment and will be able to implement "intelligent" behaviour and both perceptual and cognitive tasks. At last, they will communicate through wireless channels, they will be battery supplied or remote powered (via inductive coupling) and they will be ubiquitous in our every day life. Although many books deal with research and engineering topics (i.e. algorithms, technology, implementations, etc.) few of them try to bridge the gap between them and to address the issues related to feasibility, reliability and applications. Smart Adaptive Systems on Silicon, though not exhaustive, tries to fill this gap and to give answers mainly to the feasibility and reliability issues. Smart Adaptive Systems on Silicon mainly focuses on the analog and mixed mode implementation on silicon because this approach is amenable of achieving impressive energy and size efficiency. Moreover, analog systems can be more easily interfaced with sensing and actuating devices.
Book Synopsis Handbook of Biomedical Telemetry by : Konstantina S. Nikita
Download or read book Handbook of Biomedical Telemetry written by Konstantina S. Nikita and published by John Wiley & Sons. This book was released on 2014-08-25 with total page 768 pages. Available in PDF, EPUB and Kindle. Book excerpt: A must-have compendium on biomedical telemetry for all biomedical professional engineers, researchers, and graduate students in the field Handbook of Biomedical Telemetry describes the main components of a typical biomedical telemetry system, as well as its technical challenges. Written by a diverse group of experts in the field, it is filled with overviews, highly-detailed scientific analyses, and example applications of biomedical telemetry. The book also addresses technologies for biomedical sensing and design of biomedical telemetry devices with special emphasis on powering/integration issues and materials for biomedical telemetry applications. Handbook of Biomedical Telemetry: Describes the main components of a typical biomedical telemetry system, along with the technical challenges Discusses issues of spectrum regulations, standards, and interoperability—while major technical challenges related to advanced materials, miniaturization, and biocompatibility issues are also included Covers body area electromagnetics, inductive coupling, antennas for biomedical telemetry, intra-body communications, non-RF communication links for biomedical telemetry (optical biotelemetry), as well as safety issues, human phantoms, and exposure assessment to high-frequency biotelemetry fields Presents biosensor network topologies and standards; context-aware sensing and multi-sensor fusion; security and privacy issues in biomedical telemetry; and the connection between biomedical telemetry and telemedicine Introduces clinical applications of Body Sensor Networks (BSNs) in addition to selected examples of wearable, implantable, ingestible devices, stimulator and integrated mobile healthcare system paradigms for monitoring and therapeutic intervention Covering biomedical telemetry devices, biosensor network topologies and standards, clinical applications, wearable and implantable devices, and the effects on the mobile healthcare system, this compendium is a must-have for professional engineers, researchers, and graduate students.
