By David Mitton, Christian Roux, Pascal Laugier (auth.), Pascal Laugier, Guillaume Haïat (eds.)
Quantitative ultrasound (QUS) of bone is a comparatively contemporary examine box. The study neighborhood is progressively transforming into, with interdisciplinary branches in acoustics, clinical imaging, biomechanics, biomedical engineering, utilized arithmetic, bone biology and scientific sciences, leading to major achievements in new ultrasound applied sciences to degree bone, in addition to versions to explain the interplay and the propagation of ultrasonic wave in advanced bone buildings. 1000's of articles released in experts journals are obtainable from the net and from digital libraries. despite the fact that, no compilation and synthesis of the newest and critical study exist. the single publication on QUS of bone has been released in 1999 at a time while the propagation mechanisms of ultrasound in bone have been nonetheless principally unknown and the know-how was once immature. The examine neighborhood has now reached a serious measurement, precise periods are geared up in significant foreign conferences (e.g., on the global Congress of Biomechanics, the yearly conferences of the Acoustical Society of the USA, foreign Bone Densitometry Workshop, etc...). for this reason, the time has come for a totally modern, entire assessment of the subject. The booklet will provide the latest experimental effects and theoretical innovations built to this point and is meant for researchers, graduate or undergraduate scholars, engineers, and clinicians who're desirous about the sector. The primary a part of the ebook covers the physics of ultrasound propagation in bone. Our target is to offer the reader an in depth view of the mathematical and numerical types as an reduction to appreciate the QUS power and the categories of variables that may be made up our minds by means of QUS which will symbolize bone energy. The propagation of sound in bone continues to be topic of in depth study. diversified versions were proposed (for instance, the Biot thought of poroelasticity and the idea of scattering were used to explain wave propagation in cancellous bone, while propagation in cortical bone falls within the scope of guided waves theories). an in depth evaluation of the versions has no longer been released thus far. We intend during this booklet to offer in information the types which are used to unravel the direct challenge and techniques which are at present built to handle the inverse challenge. this can comprise analytical theories and numerical methods that experience grown exponentially in recent times. most modern experimental findings and technological advancements can also be comprehensively reviewed.
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Additional info for Bone Quantitative Ultrasound
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However, in hard tissues like bone, both compression and shear waves must be considered. The reader will find in what follows basic descriptions of elementary aspects of the physics of ultrasound. However, the aim of the authors only consists in introducing the basic description of fundamental phenomena involved in ultrasonic characterization of bone. Readers interested in deeper and more complete description of the acoustics of wave are referred to dedicated books [1–4]. 1) λ = = cT, f where c is the wave propagation velocity (also termed sound velocity or speed of sound).
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