The Design and Implementation of Magnetic Microactuators for MEMS-enabled Ventricular Catheters for Hydrocephalus PDF Download
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Author: Selene Ann Lee
Publisher:
ISBN:
Category :
Languages : en
Pages : 380
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Book Description
Author: Selene Ann Lee
Publisher:
ISBN:
Category :
Languages : en
Pages : 380
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Book Description
Author: David D. Limbrick Jr.
Publisher: Springer
ISBN: 3319979280
Category : Medical
Languages : en
Pages : 382
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Book Description
Hydrocephalus is one of the most common diseases of pediatric and adult neurosurgery. With the introduction of modern neurosurgical procedures, this disease has become a life-long problem. Even with optimal treatment, there is still significant morbidity and mortality along with a significant cost to the medical system. This has caused patients and their families to demand improvements in treatments and forced clinicians to evaluate their treatments in large consortiums while utilizing both genetics and technology to improve outcomes or avoid placement of shunt all together. This text is designed to present the current treatments for hydrocephalus across the lifespan. The foundation for understanding cerebral spinal fluid (CSF) abnormalities begins with the understanding of physiology and pathogenesis of disease. These chapters are written by published experts in the field and detail the significant advances in the detection of CSF abnormalities. This section will discuss the current advances in imaging and current research in biomarkers for both pediatric and adult patients. We will then systematically discuss the treatment of both pediatric and adult CSF disorders. These will be broken down by cause, since the physiology of each can be different. We will end the book with a discussion both of the technological advances and a discussion of consortiums and how they have advanced treatment of this chronic disease.
Author: Wilfried Andrä
Publisher: John Wiley & Sons
ISBN: 3527610189
Category : Medical
Languages : en
Pages : 655
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Book Description
This second, completely updated and extended edition of the only reference work in this growing field of medical physics focuses on biomagnetic instrumentation as well as applications in cardiology and neurology. New chapters have been added on fetal magnetography and magnetic field therapy, as well as the safety aspects of magnetic fields. Written by well-known specialists from Germany, USA, Canada, Japan, the Netherlands and Scandinavia, the result is a manual for researchers in this field as well as for those who apply modern methods based on magnetism in medical practice. It equally provides a detailed overview for newcomers to the field as well as for experts familiar with only one part of the area.
Author: James M Drake
Publisher: Wiley-Blackwell
ISBN: 9780865422209
Category : Medical
Languages : en
Pages : 246
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Book Description
Shunt: a mechanism which bypasses/diverts accumulations of fluid to an absorbing or excreting system. Though the shunt operation is the most common neurosurgical procedure performed, it has a high failure rate (one year averaged a 30% failure rate). A problem is the lack of understanding and lack of knowledge, by neurosurgeons, of basic fluid dynamics and internal workings of the shunts themselves. They simply use "what they were trained on" without the benefit of an objective guide to the best shunts and why they are superior to others. As the author states, their only other source of information comes from biased manufacturer's representatives. The Shunt Book fills a void in the literature by presenting basic information on types of shunts and their functions, thus allowing neurosurgeons to rationally select shunt equipment and understand their mechanical effects. This inexpensive and easily accessible handbook offers chapters on fluid dynamics, internal mechanisms of shunts, types of shunts available, alternative devices and how to measure shunt effectiveness. This volume discusses How shunts work, How shunts fail, Alternatives to shunts, and Measuring implanted shunt performance.
Author: G. Cinalli
Publisher: Springer Science & Business Media
ISBN: 8847021219
Category : Medical
Languages : en
Pages : 455
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Book Description
In the last ten years the pediatric neurosurgeon has witnessed a real revolution in the diagnosis and treatment of pediatric hydrocephalus, the most frequently encountered condition in everyday clinical practice. The evolution of MRI and the advent of neuroendoscopic surgery have resuscitated the interest in the classification, etiology and pathophysiology of hydrocephalus. The book offers an updated overview on the recent progress in this field, and a new approach to hydrocephalus: the reader will find in it a modern and new presentation of an old disease, where genetics, endoscopy, cost-effectiveness analyses and many other aspects of the various therapies are extensively discussed. The volume will be useful not only for neurosurgeons, but for all specialists interested in the various aspects of hydrocephalus: pediatricians, radiologists, endocrinologists, pathologists and geneticists.
Author: Mu Chiao
Publisher: Pan Stanford Publishing
ISBN: 9814241466
Category : Medical
Languages : en
Pages : 291
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Book Description
This book serves as a guide for practicing engineers, researchers and students interested in MEMS devices and biomaterials and biomedical applications. It is also suitable for engineers and researchers interested in MEMS and its applications but who do not have the necessary background in biomaterials. The book highlights important features and issues of biomaterials that have been used in MEMS and biomedical areas, including the fabrication of devices using biomaterials, biocompatible coatings and issues, thin-film biomaterials and MEMS for tissue engineering, and applications involving MEMS and biomaterials.
Author: John C. Vardaxoglou
Publisher:
ISBN: 9780863801969
Category : Frequency selective surfaces
Languages : en
Pages : 0
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Book Description
Frequency Selective Surfaces (FSS) play a key role in many antenna systems for modern fixed and mobile communication systems. Such important practical applications have resulted from research into FSS and related array topics undertaken in both the industrial and academic sectors in recent years. This book draws together the multifaceted work on FSS and provides a modern overview of the underlying theory and mathematical formalism. Step-by-step accounts of analysis techniques, numerical considerations and FSS designs are given. The book is divided into two complementary parts, which differ in their approach to the analysis of FSS but produce the same results. Part I is based on the 'field approach' where the analysis uses modal expansions of vector electric and magnetic fields. The second part is contributed by Dr R Orta and Dr R Tascone of Politecnico di Torino, Italy, whose framework for the FSS analysis is a modal transmission line description of wave propagation. The terminology and definitions employed in the latter approach are more geared to readers who are familiar with electrical networks and transmission line theory.
Author: Edward R. Laws Jr.
Publisher: Thieme
ISBN: 1604064226
Category : Medical
Languages : en
Pages : 566
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Book Description
The first comprehensive guide dedicated to management of patients with pathologies in the sellar and parasellar region Focusing on the variety of pathological processes that arise in the sellar and parasellar regions of the central skull base, Sellar and Parasellar Tumors: Diagnosis, Treatments, and Outcomes is a state-of-the-art reference written by renowned leaders in the field. It takes a disease-oriented approach to complex pathologies. The work includes contributions by multispecialty teams and details technical advances and management options for all clinicians treating patients with parasellar and sellar pathology. Special Features: Represents the multidisciplinary management of these cases, with contributions from neurological surgeons, otolaryngologists, radiation oncologists, diagnostic radiologists, endocrinologists, and ophthalmologists Covers the many diverse tumor types found in the sellar and parasellar region,-including pituitary tumors, meningiomas, chordomas, and chondrosarcomas, with clinical management strategies for each Provides detailed, illustrated descriptions of optimal surgical approaches tailored to the patient and pathology, including transsphenoidal surgery, precise craniotomies using skull base techniques, minimally invasive eyebrow exposures, endoscopic anterior skull base techniques, and stereotactic radiosurgery Discusses the advantages and disadvantages of different surgical approaches, tips for complication avoidance, patient evaluation methods, surgical indications and outcomes, and more Includes comprehensive neuroanatomic dissections that provide visualization of the entire sellar and parasellar region Offers radiologic, medical, and ophthalmologic management techniques for patients with sellar and parasellar tumors Complete with full-color illustrations, high-quality radiographs, and instructive tables, Sellar and Parasellar Tumors is the authoritative reference for neurosurgeons, otolaryngologists, endocrinologists, neuro-ophthalmologists, radiation oncologists, and any other clinician who diagnoses, treats, and manages patients with these complex disorders. nbsp;
Author: T. K. Wu
Publisher: Wiley-Interscience
ISBN:
Category : Technology & Engineering
Languages : en
Pages : 364
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Book Description
This new addition to the prestigious Wiley Series in Microwave and Optical Engineering presents the first comprehensive coverage of Frequency Selective Surfaces (FSS) and active grid arrays, the two-dimensional periodically arranged array elements which may be etched on, or imbedded in, one or multiple layers of dielectric laminates. Because of its filtering frequency properties, this technology, which has attracted much interest over the past two decades, is being used to create filtering devices in microwave and higher frequency bands. With Frequency Selective Surface and Grid Array, it is no longer necessary to sift through a multitude of research papers and reports. Here, in one self-contained volume, is a thorough and up-to-date treatment of the concept, theory, applications, design, and fabrication techniques for periodic arrays. Furthermore, the book provides a complete reference for the technological advances in FSS, including the recent technology of active grid arrays. The first part of the book is devoted to the fundamentals and analytical techniques pertaining to FSS and grid arrays, including the advanced analyses of the conjugate gradient method and the generalized mode-matching technique with multiple dielectrics or nonsimilar grid arrays. In the second part, the book deals with implementation and application, describing the numerous applications of this technology, from the reflector antenna system used in satellite and spacecraft communications and bandpass radome to solar energy grids. The expert contributions to this volume make it useful both as a tutorial and as a reference for project and system/design engineers working with antennas, optics, millimeter waves, microwaves, radar, and low observable radomes. A comprehensive and self-contained reference for FSS and grid array technology Frequency Selective Surfaces (FSS), the two-dimensional periodic array elements with frequency filtering properties, have made important advances over the past two decades. They provide filtering devices in microwave and higher frequency bands with applications ranging from bandpass radome to solar energy grids—including satellite and spacecraft communications. Written by experts in the field and edited by Dr. T. K. Wu, an internationally recognized researcher in electromagnetics, Frequency Selective Surface and Grid Array provides the first comprehensive look at the theory, measurements, manufacturing, and applications of FSS and grid array technology. This publication brings together a wealth of information previously not available in book form, as well as material that has not been published anywhere, including: Passive and active grid design concepts and analysis, as well as FSS materials and fabrication techniques Practical design of frequency selective surface, high-performance bandpass radome, and active grid array Detailed equations for the reaction integrals Three computer codes to get readers started in the design of FSS and grid array (disk included) Case studies of FSS applications to multiband communication antenna systems Tables, figures, references, and numerous examples of practical FSS and grid array designs A tutorial analysis that includes the multilayer grid and dielectrics Frequency Selective Surface and Grid Array is an invaluable planning and design resource for research engineers and scientists dealing with FSS and grid array, as well as a handy reference for students and professionals entering the field.
Author: A. Leland Albright
Publisher: Thieme
ISBN: 1638533547
Category : Medical
Languages : en
Pages : 3429
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Book Description
Principles and Practice of Pediatric Neurosurgery, Third Edition is a completely revised edition of the most authoritative guide to the management of pediatric neurosurgical disorders encountered in clinical practice. Written by leaders in the field, it provides pediatric neurosurgeons with a clear understanding of the current standards of practice and treatment in the subspecialty. Key Features: Now in full color, with more than 1,000 images An increased emphasis on clinical management strategies in pediatric neurosurgery Seven new chapter topics, including cellular therapy for pediatric neurosurgical disease, conjoined twins, lipomeningoceles, and skeletal syndromes Pearls and pitfalls in every chapter This book is an essential reference for all residents and practitioners in pediatric neurosurgery and pediatric neurology.
