Biomedical Ultrasonics
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Biomedical Ultrasonics
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Author : Peter Neil Temple Wells
language : en
Publisher:
Release Date : 1977
Biomedical Ultrasonics written by Peter Neil Temple Wells and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1977 with Medical categories.
Wave fundamentals. Radiation. Generation and detection. Velocity, absorption and attenuation in biological materials. Scattering by biological materials. Pulse-echo methods. Doppler methods. Other diagnostic methods. Biological effetcts. Functional modifications: clinical applications. Analogy between mechanical and electromagnetic waves. The decibel notation. Historical review.
Foundations Of Biomedical Ultrasound
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Author : Richard S. C. Cobbold
language : en
Publisher: Oxford University Press
Release Date : 2006-09-07
Foundations Of Biomedical Ultrasound written by Richard S. C. Cobbold and has been published by Oxford University Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2006-09-07 with Medical categories.
Foundations of Biomedical Ultrasound provides a thorough and detailed treatment of the underlying physics and engineering of medical ultrasound practices. It covers the fundamental engineering behind ultrasound equipment, properties of acoustic wave motion, the behavior of waves in various media, non-linear waves and the creation of images. The most comprehensive book on the subject, Foundations of Biomedical Ultrasound is an indispensable reference for any medical professional working with ultrasound imaging, and a comprehensive introduction to the subject for students. The author has been researching and teaching biomedical ultrasonics at the University of Toronto for the past 25 years.
Basics Of Biomedical Ultrasound For Engineers
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Author : Haim Azhari
language : en
Publisher: John Wiley & Sons
Release Date : 2010-03-25
Basics Of Biomedical Ultrasound For Engineers written by Haim Azhari and has been published by John Wiley & Sons this book supported file pdf, txt, epub, kindle and other format this book has been release on 2010-03-25 with Science categories.
A practical learning tool for building a solid understanding of biomedical ultrasound Basics of Biomedical Ultrasound for Engineers is a structured textbook that leads the novice through the field in a clear, step-by-step manner. Based on twenty years of teaching experience, it begins with the most basic definitions of waves, proceeds to ultrasound in fluids and solids, explains the principles of wave attenuation and reflection, then introduces to the reader the principles of focusing devices, ultrasonic transducers, and acoustic fields, and then delves into integrative applications of ultrasound in conventional and advanced medical imaging techniques (including Doppler imaging) and therapeutic ultrasound. Demonstrative medical applications are interleaved within the text and exemplary questions with solutions are provided on every chapter. Readers will come away with the basic toolkit of knowledge they need to successfully use ultrasound in biomedicine and conduct research. Encompasses a wide range of topics within biomedical ultrasound, from attenuation and eflection of waves to the intricacies of focusing devices, transducers, acoustic fields, modern medical imaging techniques, and therapeutics Explains the most common applications of biomedical ultrasound from an engineering point of view Provides need-to-know information in the form of physical and mathematical principles directed at concrete applications Fills in holes in knowledge caused by ever-increasing new applications of ultrasonic imaging and therapy Basics of Biomedical Ultrasound for Engineers is designed for undergraduate and graduate engineering students; academic/research engineers unfamiliar with ultrasound; and physicians and researchers in biomedical disciplines who need an introduction to the field. This book is meant to be “my first book on biomedical ultrasound” for anyone who is interested in the field.
Fundamentals Of Medical Ultrasonics
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Author : Michiel Postema
language : en
Publisher: CRC Press
Release Date : 2011-03
Fundamentals Of Medical Ultrasonics written by Michiel Postema and has been published by CRC Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2011-03 with categories.
Ultrasonic imaging is an economic, reliable diagnostic technique. Owing to recent therapeutic applications, understanding the physical principles of medical ultrasonics is becoming increasingly important.a Covering the basics of elasticity, linear acoustics, wave propagation, nonlinear acoustics, transducer components, ultrasonic imaging modes, basics on cavitation and bubble physics, as well as the most common diagnostic and therapeutic applications, Fundamentals of Medical Ultrasonics explores the physical and engineering principles of acoustics and ultrasound as used for medical applications. a It offers students and professionals in medical physics and engineering a detailed overview of the technical aspects of medical ultrasonic imaging, whilst serving as a reference for clinical and research staff.
Physical Principles Of Medical Ultrasonics
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Author : C. R. Hill
language : en
Publisher: John Wiley & Sons
Release Date : 2005-08-05
Physical Principles Of Medical Ultrasonics written by C. R. Hill and has been published by John Wiley & Sons this book supported file pdf, txt, epub, kindle and other format this book has been release on 2005-08-05 with Medical categories.
The physical properties of ultrasound, particularly its highly directional beam behaviour, and its complex interactions with human tissues, have led to its becoming a vitally important tool in both investigative and interventional medicine, and one that still has much exciting potential. This new edition of a well-received book treats the phenomenon of ultrasound in the context of medical and biological applications, systematically discussing fundamental physical principles and concepts. Rather than focusing on earlier treatments, based largely on the simplifications of geometrical acoustics, this book examines concepts of wave acoustics, introducing them in the very first chapter. Practical implications of these concepts are explored, first the generation and nature of acoustic fields, and then their formal descriptions and measurement. Real tissues attenuate and scatter ultrasound in ways that have interesting relationships to their physical chemistry, and the book includes coverage of these topics. Physical Principles of Medical Ultrasonics also includes critical accounts and discussions of the wide variety of diagnostic and investigative applications of ultrasound that are now becoming available in medicine and biology. The book also encompasses the biophysics of ultrasound, its practical applications to therapeutic and surgical objectives, and its implications in questions of hazards to both patient and operator.
Essentials Of Medical Ultrasound
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Author : Michael H. Repacholi
language : en
Publisher: Springer Science & Business Media
Release Date : 2012-12-06
Essentials Of Medical Ultrasound written by Michael H. Repacholi 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 2012-12-06 with Medical categories.
One of the first applications of ultrasound was in submarine sonar equip ment. Since then ultrasound has found increasing applications, particularly in industry, but increasingly in biomedicine. For many years ultrasound has been used in physical therapy, although only in the past decade or two has it evolved from laboratory curiosity to a well-established diagnostic imaging modality. Ultrasound is now a widely accepted, indeed pervasive, diagnos tic and therapeutic tool in the medical field, and its applications are increasing rapidly. Our intent in developing this book is to provide a coherent tutorial intro duction to the field of medical ultrasound at a level suitable for those en tering the area from either medical or scientific backgrounds. The topics discussed should be of interest to nearly all medical and health care per sonnel needing to understand or operate ultrasonic devices, including clini cians, medical technicians, physiotherapists, medical physicists, and other biomedical scientists interested in the field. The book opens with a description of the basic principles of propagating acoustic waves, explains how they interact with a wide range of biological systems, and outlines the effects they produce. To provide practical infor mation to operators of ultrasound equipment, we have included thorough coverage of the details of ultrasonic instrumentation and measurement techniques, and set forth the framework for an effective quality assurance program.
Biomedical Ultrasonics Cavitation And Sonoporation
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Author : Spiros Kotopoulis
language : en
Publisher:
Release Date : 2011
Biomedical Ultrasonics Cavitation And Sonoporation written by Spiros Kotopoulis and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2011 with categories.
This thesis treats biomedical ultrasonics, cavitation and sonoporation. Focussed ultrasound surgery can heat tissue to a temperature that causes protein denaturation and coagulative necrosis. For high-resolution focused ultrasound microsurgery, high working frequencies are necessary. We manufactured a highfrequency, high-intensity focussed ultrasound transducer, using lithium niobate as the active element. The transducer was capable of creating 2.5x3.4 (mm)2 lesions without affecting surrounding tissue. Such disruptive effects of ultrasound also have applications outside medicine. Since cyanobacteria contain gas vesicles, we hypothesised that these can be disrupted with the aid of ultrasound. During 1-hour sonication in the clinical diagnostic range, we forced blue-green algae to sink, thus promoting natural decay. In medical diagnostics, ultrasound contrast agents are added to the blood stream to differentiate between blood and other tissue types. We injected such lipid-shelled microbubbles into a synthetic capillary and sonicated using continuous ultrasound. The microbubbles formed clusters at a quarter wavelength apart owing to radiation forces. We observed cluster coalescence and translation towards the capillary wall. To study acoustic cavitation, we designed and built a scientific instrument combining a pulsed laser and a high-intensity focussed ultrasound transducer, capable of nucleating at precise locations. The cavitation dynamics were recorded using highspeed cameras. At high acoustic intensities, interacting cavitation clouds were formed. Microbubbles under sonication have been observed to create transient pores in adjacent cell membranes. This so called sonoporation has been associated with highly non-linear bubble phenomena. We observed lipid-shelled microbubbles near cancer cells under quasi-continuous low-amplitude sonication. Typically within a second of sonication, microbubbles were seen to enter the cells and dissolve. This new explanation of sonoporation was verified using high-speed photography and confocal fluorescence microscopy. If drug and genes can be successfully coupled to acoustically active vehicles, sonoporation might revolutionise non-invasive therapy as we know it.
Ultrasound Imaging And Therapy
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Author : Aaron Fenster
language : en
Publisher: CRC Press
Release Date : 2015-05-08
Ultrasound Imaging And Therapy written by Aaron Fenster and has been published by CRC Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2015-05-08 with Medical categories.
Up-to-Date Details on Using Ultrasound Imaging to Help Diagnose Various DiseasesDue to improvements in image quality and the reduced cost of advanced features, ultrasound imaging is playing a greater role in the diagnosis and image-guided intervention of a wide range of diseases. Ultrasound Imaging and Therapy highlights the latest advances in usin
Ultrasound In Medicine
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Author : Francis A. Duck
language : en
Publisher: CRC Press
Release Date : 2020-07-14
Ultrasound In Medicine written by Francis A. Duck and has been published by CRC Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2020-07-14 with Science categories.
Ultrasound in Medicine is a broad-ranging study of medical ultrasound, including ultrasound propagation, interaction with tissue, and innovations in the application of ultrasound in medicine. The book focuses specifically on the science and technology-the underlying physics and engineering. It examines the most closely related aspects of these basic sciences in clinical application and reviews the success of technological innovations in improving medical diagnosis and treatment. The book bridges the gap between tutorial texts widely available for ultrasound and medical training and theoretical works on acoustics.
Image Guided Focused Ultrasound Therapy
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Author : Feng Wu
language : en
Publisher: CRC Press
Release Date : 2024-07-31
Image Guided Focused Ultrasound Therapy written by Feng Wu and has been published by CRC Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2024-07-31 with Medical categories.
Ultrasound has been widely used in diagnostic imaging for a long time. In the past 10 years, image-guided focused ultrasound therapy has seen rapid growth, in biomedical science and engineering, and in clinical medicine. The purpose of this book is to bring internationally renowned authorities and experts in this field together to provide up-to-date and comprehensive reviews of basic physics, biomedical engineering, and clinical applications of focused ultrasound therapy in a widely accessible fashion. Focusing on applications in cancer treatment, this book covers basic principles, practical aspects, and clinical applications of focused ultrasound therapy. It reviews the medical physics and bio-effects of focused ultrasound beams on living tissues, dosimetric methods and measurements, transducer engineering, image guidance and monitoring (including magnetic resonance imaging -- MRI -- and ultrasound), treatment delivery systems, and clinical applications. The book also gives practical guidelines on patient setup, target localisation, treatment planning and image-guided procedures for the treatment in various sites, including the prostate, liver, pancreas, breast, kidney, uterus, bone, and brain. The book discusses major challenges for the use of focused ultrasound energy on living tissues and explores the cellular and physiological responses that can be employed in the fight against cancer from biological, physics and engineering perspectives. It also highlights recent advances, including the treatment of solid tumours using image-guided drug delivery, and the exploitation of microbubbles, nanoparticles, and other cutting-edge techniques. Readers who are interested in learning more about the technique and the clinical applications described in each chapter can find more information in the comprehensive bibliographies provided. This book is suitable for anyone involved in, or looking to become involved in, the research and clinical applications of focused ultrasound therapy, including medical professionals, physicists, biomedical engineers, graduate students and others working in this multidisciplinary field. It offers a balanced and critical assessment of state-of-the-art technologies, major challenges, and an outlook on the future of focused ultrasound therapy. It presents a thorough introduction for those new to the field while providing helpful, up-to-date information and guidelines for readers already using this therapy in clinical and pre-clinical settings. Key Features: Brings together a wide range of world-leading experts in this new field, presenting the latest clinical outcomes of using focused ultrasound for the treatment of benign and malignant diseases Covers the fundamental physics of focused ultrasound therapy and ultrasound-mediated drug delivery, including chapters on the mechanism of sonoporation, microbubble and ultrasound interaction, and their potential clinical applications Introduces clinical guidelines for focused ultrasound therapy, including indications and contraindications, treatment goals, the selection of patients, clinical observation during treatment procedure and follow-up, and characteristics of image changes after treatment