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Author : Christopher J. Haw
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (16 download)
Download or read book Using Ultrasound to Extract the Biomechanical Properties of Soft Tissue written by Christopher J. Haw and published by . This book was released on 2008 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : 張宇嵐
Publisher :
ISBN 13 :
Total Pages : 47 pages
Book Rating : 4.:/5 (87 download)
Download or read book Assessment of the Biomechanical Properties of Soft Tissues by Ultrasound Techniques written by 張宇嵐 and published by . This book was released on 2013 with total page 47 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Stéphane Avril
Publisher : Springer
ISBN 13 : 3319450719
Total Pages : 161 pages
Book Rating : 4.3/5 (194 download)
Download or read book Material Parameter Identification and Inverse Problems in Soft Tissue Biomechanics written by Stéphane Avril and published by Springer. This book was released on 2016-10-12 with total page 161 pages. Available in PDF, EPUB and Kindle. Book excerpt: The articles in this book review hybrid experimental-computational methods applied to soft tissues which have been developed by worldwide specialists in the field. People developing computational models of soft tissues and organs will find solutions for calibrating the material parameters of their models; people performing tests on soft tissues will learn what to extract from the data and how to use these data for their models and people worried about the complexity of the biomechanical behavior of soft tissues will find relevant approaches to address this complexity.
Author : Jonathan Mamou
Publisher : Springer Nature
ISBN 13 : 3031219872
Total Pages : 305 pages
Book Rating : 4.0/5 (312 download)
Download or read book Quantitative Ultrasound in Soft Tissues written by Jonathan Mamou and published by Springer Nature. This book was released on 2023-07-26 with total page 305 pages. Available in PDF, EPUB and Kindle. Book excerpt: Quantitative ultrasound (QUS) continues to mature as a research field and is primed to make a swift transition to routine preclinical and clinical applications. This book will serve two main purposes: Advanced education in QUS by providing a complete and thorough review of all theoretical, physical, and engineering aspects of QUS. Review of recent development of QUS by lead contributors in the research field. This 2nd edition will focus on 6 modern research topics related to quantitative ultrasound of soft tissues: Spectral-based methods for tissue characterization, tissue typing, cancer detection, etc. Attenuation estimation for tissue characterization and improving spectral based methods Envelope statistics analysis as a means of quantifying and imaging tissue properties. Ultrasound computed tomography for preclinical and clinical imaging. Scanning acoustic microscopy for forming images of mechanical properties of soft tissues with micron resolution. Phantoms for quantitative ultrasound.
Author : Mark Louis Palmeri
Publisher :
ISBN 13 :
Total Pages : 312 pages
Book Rating : 4.:/5 (622 download)
Download or read book Imaging the Mechanical Properties of Tissue with Ultrasound written by Mark Louis Palmeri and published by . This book was released on 2005 with total page 312 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
Publisher :
ISBN 13 :
Total Pages : 63 pages
Book Rating : 4.:/5 (935 download)
Download or read book Development of Ultrasound Elasticity Imaging System with Chirp-Coded Excitation for Assessing Biomechanical Properties of Soft Tissue written by and published by . This book was released on 2015 with total page 63 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Ivan Z. Nenadic
Publisher : John Wiley & Sons
ISBN 13 : 1119021510
Total Pages : 613 pages
Book Rating : 4.1/5 (19 download)
Download or read book Ultrasound Elastography for Biomedical Applications and Medicine written by Ivan Z. Nenadic and published by John Wiley & Sons. This book was released on 2019-01-22 with total page 613 pages. Available in PDF, EPUB and Kindle. Book excerpt: Ultrasound Elastography for Biomedical Applications and Medicine Ivan Z. Nenadic, Matthew W. Urban, James F. Greenleaf, Mayo Clinic Ultrasound Research Laboratory, Mayo Clinic College of Medicine, USA Jean-Luc Gennisson, Miguel Bernal, Mickael Tanter, Institut Langevin – Ondes et Images, ESPCI ParisTech CNRS, France Covers all major developments and techniques of Ultrasound Elastography and biomedical applications The field of ultrasound elastography has developed various techniques with the potential to diagnose and track the progression of diseases such as breast and thyroid cancer, liver and kidney fibrosis, congestive heart failure, and atherosclerosis. Having emerged in the last decade, ultrasound elastography is a medical imaging modality that can noninvasively measure and map the elastic and viscous properties of soft tissues. Ultrasound Elastography for Biomedical Applications and Medicine covers the basic physics of ultrasound wave propagation and the interaction of ultrasound with various media. The book introduces tissue elastography, covers the history of the field, details the various methods that have been developed by research groups across the world, and describes its novel applications, particularly in shear wave elastography. Key features: Covers all major developments and techniques of ultrasound elastography and biomedical applications. Contributions from the pioneers of the field secure the most complete coverage of ultrasound elastography available. The book is essential reading for researchers and engineers working in ultrasound and elastography, as well as biomedical engineering students and those working in the field of biomechanics.
Download or read book Ultrasound Assisted Optical Elastography For Measurement Of Mechanical Properties Of Soft Tissue Mimicking Phantoms written by and published by . This book was released on 2003 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: This work describes the development of an optical probe for measuring movement of tissue particles deep inside which are loaded by an ultrasound remote palpation device. The principle of the method is that ultrasound force which can be applied inside the tissue makes the tissue particles vibrate and this vibration phase-modulates the light intercepting the insoniified region which results in a modulated speckle intensity on detection outside the object. This speckle intensity modulation detected through the measured intensity autocorrelation is a measure of the vibration amplitude. Since the vibration amplitude is related to the local elastic properties of the medium, the measured modulation depth in intensity autocorrelation can be used to map the elastic property in the insonified region. In this work, first the ultrasound induced force is calculated for both plane and focused ultrasound beams, and converted to amplitude of vibration and refractive index modulation, solving the forward elastography equation. Light propagation inside an insonified object is modelled using Monte Carlo simulation and the amplitude and intensity correlations are computed. The modulation depth on the autocorrelation is estimated and shown that it is inversely correlated to the local elastic modulus and optical absorption coefficient. It is further shown that whereas the variation in modulation depth is linear with respect to absorption coefficient, the same variation with elastic property is nonlinear. These results are verified experimentally in a tissue mimicking phantom. The phantom was constructed out of poly vinyl alcohol(PVA) whose optical, mechanical and acoustic properties are independently controlled. It is also shown that for loading with focused ultrasound beam the displacement is almost along the ultrasound transducer axis and therefore the contribution from refractive index modulation alone can be ascertained by probing the insonified perpendicular to the transducer axis.
Author : Ece Özkan Elsen
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (18 download)
Download or read book Methods for Image Reconstruction of Soft Tissue Biomechanical Characteristics Using Ultrasound written by Ece Özkan Elsen and published by . This book was released on 2018 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
Publisher :
ISBN 13 :
Total Pages : 456 pages
Book Rating : 4.:/5 (319 download)
Download or read book Journal of Rehabilitation R & D written by and published by . This book was released on 1999 with total page 456 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Matthew Joseph Leineweber
Publisher :
ISBN 13 :
Total Pages : 232 pages
Book Rating : 4.:/5 (9 download)
Download or read book Applying Ultrasound Elastography to Detecting Skeletal Muscle Injury written by Matthew Joseph Leineweber and published by . This book was released on 2014 with total page 232 pages. Available in PDF, EPUB and Kindle. Book excerpt: Skeletal muscle injuries are frequent in sports and exercise, accounting for between 2055% of all sports injuries, with the vast majority of these injuries being muscle strains or contusions. Although muscle injuries are primarily diagnosed through symptomatology and examination of the injury mechanism, medical imaging techniques such as magnetic resonance imaging (MRI) and ultrasound imaging (US) are gaining popularity for assistance with both diagnoses and prognoses. These imaging techniques provide valuable structural and physiological information that is provides more insight into the nature and extent of the damage to guide image treatment. Currently, MRI is the gold standard for use with musculoskeletal applications, but US is becoming more widespread due to its affordability, portability, and real-time imaging capabilities. Ultrasound elastography (USE) is a family of techniques that are used to allow the visual analysis and quantification of the mechanical properties of soft tissue. Injury induced changes in muscle structure affect the mechanical properties of the tissue, and can be detected using USE. Since the echogenicity of a tissue is not directly related to its mechanical properties, ultrasound elastography can extract important information about tissue stiffness and deformability that might not otherwise be attainable. Such mechanical information is especially useful in distinguishing between fibrotic tissue and fatty infiltration. The goal of this thesis is to develop USE as an affordable, fast, and readily available alternative to MRI for early stage diagnosis of acute muscle injury. In pursuit of this goal, we first developed a technique to obtain repeatable and reproducible strain images using USE. We found that a simple averaging procedure performed on 4-8 repeated USE compression cycles significantly improved both the reproducibility and repeatability of the resulting strain images compared to strain images generated using an automated USE system. We then showed that USE combined with principal component analysis can be used to quantify and locate muscle injury in a finite element model, and can feasibly be applied to strain images generated using USE. Finally, we attempted to use the procedures developed in the first two studies to detect and monitor contusion injury in a rat model. However, due to equipment limitations, the results of this study were inconclusive. This thesis is concluded by a summary of the overall findings and discussion of future work.
Author : Ali Zorgani
Publisher :
ISBN 13 :
Total Pages : 0 pages
Book Rating : 4.:/5 (97 download)
Download or read book Passive Elastography written by Ali Zorgani and published by . This book was released on 2016 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: The aim of this thesis was the development of a new approach called passive elastography. This approach is inspired from noise correlation methods well developed in seismology and time reversal technics in acoustics. Passive elastography uses shear waves naturally induced in the human body to extract its mechanical properties of soft tissue. The feasibility of this method was tested in several applications. First in ultrasound, slow frame rate ultrasound scanner was used to monitor high intensity focused ultrasound treatment on porcine pancreas. Then, an ultrafast ultrasound scanner was used to retrieve shear wave speed map in a calibrated phantom and in-vivo. Second, Magnetic resonance elastography was implemented to image natural motion in the brain of healthy volunteers and conduct shear wavelength tomography. Third, of ophthalmological and dermatological applications, optical coherence passive elastography was tested in a phantom and a cornea of healthy mouse. Also, a fully optical setup was established to image surface wave for elastography applications. Finally, the resolution limit of elastography was measured using and ultrasound ultrafast scanner.
Author :
Publisher :
ISBN 13 :
Total Pages : 460 pages
Book Rating : 4.E/5 ( download)
Download or read book Journal of Rehabilitation Research & Development written by and published by . This book was released on 1999 with total page 460 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
Publisher :
ISBN 13 :
Total Pages : 454 pages
Book Rating : 4.:/5 (89 download)
Download or read book Journal of Rehabilitation Research and Development written by and published by . This book was released on 1999 with total page 454 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Jonathan Mamou
Publisher : Springer Science & Business Media
ISBN 13 : 9400769520
Total Pages : 449 pages
Book Rating : 4.4/5 (7 download)
Download or read book Quantitative Ultrasound in Soft Tissues written by Jonathan Mamou and published by Springer Science & Business Media. This book was released on 2013-09-26 with total page 449 pages. Available in PDF, EPUB and Kindle. Book excerpt: Due to parallel advances in signal processing and computer hardware in the last 15 years, quantitative ultrasound techniques have reached maturity, allowing for the construction of quantitative maps or images of soft tissues. This book will focus on 5 modern research topics related to quantitative ultrasound of soft tissues: - Spectral-based methods for tissue characterization, tissue typing, cancer detection, etc.; - Envelope statistics analysis as a means of quantifying and imaging tissue properties; - Ultrasound elastography for quantifying elastic properties of tissues (several clinical ultrasound scanners now display elastography images); - Scanning acoustic microscopy for forming images of mechanical properties of soft tissues with micron resolution (desktop size scanners are now available); and - Ultrasound computer tomography for breast cancer imaging (new ultrasound tomography systems have been developed and are currently under evaluation clinically).
Author : Thomas Fuerst PhD
Publisher : CRC Press
ISBN 13 : 9781853176791
Total Pages : 432 pages
Book Rating : 4.1/5 (767 download)
Download or read book Quantitative Ultrasound written by Thomas Fuerst PhD and published by CRC Press. This book was released on 1999-10-13 with total page 432 pages. Available in PDF, EPUB and Kindle. Book excerpt: Ultrasound is quickly becoming the technique of choice in the measurement of bone density. Proving cheaper and more portable than previous techniques, and also having the advantage of not using ionizing radiation, it is likely that the use of various ultrasound systems will become increasingly widespread in clinical practice. This book is a comprehensive review of the systems currently available, preceded by a summary of the basic science of ultrasound and concluding with a section on clinical studies, trials and experience in a number of countries. Likely future developments are also discussed, bringing the book completely up to date.
Download or read book AN INVESTIGATION OF UNCERTAINTY IN ULTRASONIC ELASTOGRAPHY written by and published by . This book was released on 2019 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Abstract : Ultrasonic elastography (UE) is a set of ultrasonic imaging techniques used to noninvasively quantify material properties of soft tissues. UE comes in two major forms, strain elastography (SE), in which compressional force is used to produce strain images of human tissues, and shear wave elastography (SWE) in which dynamic excitation is used to induce shear waves and (typically group) shear wave speeds (SWS) are collected from their propagation. Clinical interest in UE lies in its potential for noninvasive screening for pathologies with associated biomechanical property changes, such as breast lesion classification and staging of liver fibrosis. The diagnostic utility of UE hinges on its ability to consistently detect and characterize the underlying mechanical properties of diseased and healthy tissues. A fair amount of analysis and effort has been invested in investigating signal processing and measurement related uncertainty in SWE and SE. Comparatively less attention has been paid to investigating the uncertainty associated with the complex and multifaceted continuum biomechanics that underlies the response of tissue to an UE measurement. This dissertation contains my contributions toward delineating the role of several of these biomechanical facets on UE measurements. Its chapters are composed of a collection of five articles. In the first article, we investigated the contrast transfer characteristics of an advanced form of SE called viscoelastic imaging through mechanical simulations, which was found to be influenced by the non-viscous material characteristics. This motivated a follow up simulation study were we applied a systematic design-of-experiments based approach to determine the material and user dependent factors that most strongly influence traditional SE contrast. We found that along with the initial elasticity of the tissue, elastic nonlinearity and precompression seem to play substantial roles in SE contrast. The other three articles contain my contributions to SWE. Here, a robust approach to SWS estimation based on the method-of-characteristics solution to the 1D elastic wave equation was developed. I also contribute to the theoretical development of acoustoelastic analysis in SWE. From these efforts, it was found that only certain material models could accurately represent SWS along multiple principle axis of deformation and that acoustoelastic analysis can be applied to understanding SWE measurements in the presence of fluid-induced deformation.
