Wireless Power Transfer For Implantable Biomedical Devices Using Adjustable Magnetic Resonance
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Wireless Power Transfer For Implantable Biomedical Devices Using Adjustable Magnetic Resonance
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Author : Basem M. Badr
language : en
Publisher:
Release Date : 2016
Wireless Power Transfer For Implantable Biomedical Devices Using Adjustable Magnetic Resonance written by Basem M. Badr and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2016 with categories.
Rodents are essential models for research on fundamental neurological processing and for testing of therapeutic manipulations including drug efficacy studies. Telemetry acquisition from rodents is important in biomedical research and requires a long-term powering method. A wireless power transfer (WPT) scheme is desirable to power the telemetric devices for rodents. This dissertation investigates a WPT system to deliver power from a stationary source (primary coil) to a moving telemetric device (secondary coil) via magnetic resonant coupling. The continuously changing orientation of the rodent leads to coupling loss/problems between the primary and secondary coils, presenting a major challenge. We designed a novel secondary circuit employing ferrite rods placed at specific locations and orientations within the coil. The simulation and experimental results show a significant increase of power transfer using our ferrite arrangement, with improved coupling at most orientations. The use of a medium-ferrite-angled (4MFA) configuration further improved power transfer. Initially, we designed a piezoelectric-based device to harvest the kinetic energy available from the natural movement of the rodent; however, the harvested power was insufficient to power the telemetric devices for the rodents. After designing our 4MFA device, we designed a novel wireless measurement system (WMS) to collect real-time performance data from the secondary circuit while testing WPT systems. This prevents the measurement errors associated with voltage/current probes or coaxial cables placed directly into the primary magnetic field. The maximum total efficiency of our novel WPT is 14.1% when the orientation of the 4MFA is parallel to the primary electromagnetic field, and a current of 2.0 A (peak-to-peak) is applied to the primary coil. We design a novel controllable WPT system to facilitate the use of multiple secondary circuits (telemetric devices) to operate within a single primary coil. Each telemetric device can tune or detune its resonant frequency independently of the others using its internal control algorithm.
Wireless Power Transfer Design For Small Implantable Medical Devices
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Author : Jeetkumar Mehta
language : en
Publisher: LAP Lambert Academic Publishing
Release Date : 2015-03-02
Wireless Power Transfer Design For Small Implantable Medical Devices written by Jeetkumar Mehta and has been published by LAP Lambert Academic Publishing this book supported file pdf, txt, epub, kindle and other format this book has been release on 2015-03-02 with categories.
Last few decades has shown tremendous interest and growth in wireless technology. It was Tesla's dream to trasnfer power wirelessly from one end to other end of the world. Until few decades back it was a topic of interest for few. But this days even major and high tech companies have drawn their attention towards this technology. Apple, Samsung are few of the companies to name who wants to use wireless charging technique for their portable devices. With this work we have tried to explore this wireless technology using magnetic resonance coupling for health care such as implantable devices. The main focus was to start a project to design a receiver that can charge implantable devices such as pacemaker wirelessly. Imagine a patient who doesn't need to undergo heart surgery just to replace batteries for pacemaker, this would turn out to be a boon for humanity. The work has been carried out using software design tool HFSS and also hardware was designed accordingly. Simulation and real time measurements were carried out on pork muscle and compared. Simulation and practical measurements showed close proximity to a greater extent.
Wireless Power Supply For Implantable Biomedical Devices
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Author : Ping Si
language : en
Publisher:
Release Date : 2008
Wireless Power Supply For Implantable Biomedical Devices written by Ping Si and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2008 with Electric current converters categories.
Recent Wireless Power Transfer Technologies
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Author : Pedro Pinho
language : en
Publisher: BoD – Books on Demand
Release Date : 2020-03-04
Recent Wireless Power Transfer Technologies written by Pedro Pinho and has been published by BoD – Books on Demand this book supported file pdf, txt, epub, kindle and other format this book has been release on 2020-03-04 with Technology & Engineering categories.
The Wireless Power Transfer concept is continuously and rapidly evolving and new challenges arise every day. As a result of these rapid changes, the need for up-to-date texts that address this growing field from an interdisciplinary perspective persists. This book, organized into ten chapters, presents interesting novel solutions in the exploitation of the near- and far-field techniques of wireless power transfer that will be used in the near future, as well as a bird's eye view of some aspects related to an emerging technological area that will change our lives and will change the paradigm of how we use electrical equipment. The book covers the theory and also the practical aspects of technology implementation in a way that is suitable for undergraduate and graduate-level students, as well as researchers and professional engineers.
Wireless Power Transfer For Implantable Medical Devices
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Author : Xing Li
language : en
Publisher:
Release Date : 2015
Wireless Power Transfer For Implantable Medical Devices written by Xing Li and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2015 with Implants, Artificial categories.
Wireless Power Transfer
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Author : Naoki Shinohara
language : en
Publisher: Energy Engineering
Release Date : 2018-06
Wireless Power Transfer written by Naoki Shinohara and has been published by Energy Engineering this book supported file pdf, txt, epub, kindle and other format this book has been release on 2018-06 with Technology & Engineering categories.
This book covers the very latest in theory and technology for Wireless Power Transfer (WPT), for both coupling as well as radiative WPT. It describes the theory as well as the technology and applications.
Inductive Powering
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Author : Koenraad van Schuylenbergh
language : en
Publisher: Springer Science & Business Media
Release Date : 2009-05-31
Inductive Powering written by Koenraad van Schuylenbergh and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2009-05-31 with Technology & Engineering categories.
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.
Wireless Power Transfer For Medical Microsystems
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Author : Tianjia Sun
language : en
Publisher: Springer Science & Business Media
Release Date : 2013-06-12
Wireless Power Transfer For Medical Microsystems written by Tianjia Sun and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2013-06-12 with Technology & Engineering categories.
This book provides an in-depth introduction to the newest technologies for designing wireless power transfer systems for medical applications. The authors present a systematic classification of the various types of wireless power transfer, with a focus on inductive power coupling. Readers will learn to overcome many challenges faced in the design a wirelessly powered implant, such as power transfer efficiency, power stability, and the size of power antennas and circuits. This book focuses exclusively on medical applications of the technology and a batteryless capsule endoscopy system and other, real wirelessly powered systems are used as examples of the techniques described.
Wireless Power Transfer For Miniature Implantable Biomedical Devices
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Author : Mingui Sun
language : en
Publisher:
Release Date : 2020
Wireless Power Transfer For Miniature Implantable Biomedical Devices written by Mingui Sun and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2020 with Electronic books categories.
Miniature implantable electronic devices play increasing roles in modern medicine. In order to implement these devices successfully, the wireless power transfer (WPT) technology is often utilized because it provides an alternative to the battery as the energy source; reduces the size of implant substantially; allows the implant to be placed in a restricted space within the body; reduces both medical cost and chances of complications; and eliminates repeated surgeries for battery replacements. In this work, we present our recent studies on WPT for miniature implants. First, a new implantable coil with a double helix winding is developed which adapts to tubularly shaped organs within the human body, such as blood vessels and nerves. This coil can be made in the planar form and then wrapped around the tubular organ, greatly simplifying the surgical procedure for device implantation. Second, in order to support a variety of experiments (e.g., drug evaluation) using a rodent animal model, we present a special WPT transceiver system with a relatively large power transmitter and a miniature implantable power receiver. We present a multi-coil design that allows steady power transfer from the floor of an animal cage to the bodies of a group of free-moving laboratory rodents.
Wireless Power Transfer And Data Communication For Neural Implants
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Author : Gürkan Yilmaz
language : en
Publisher: Springer
Release Date : 2017-01-01
Wireless Power Transfer And Data Communication For Neural Implants written by Gürkan Yilmaz and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 2017-01-01 with Technology & Engineering categories.
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.