By Pascal Laugier,Guillaume Haïat
Quantitative ultrasound (QUS) of bone is a comparatively fresh examine box. The study group 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 clarify the interplay and the propagation of ultrasonic wave in advanced bone constructions. thousands of articles released in experts journals are available from the internet and from digital libraries. in spite of the fact that, no compilation and synthesis of the newest and demanding study exist. the one e-book on QUS of bone has been released in 1999 at a time while the propagation mechanisms of ultrasound in bone have been nonetheless mostly unknown and the know-how used to be immature. The learn group has now reached a serious dimension, particular classes are equipped in significant foreign conferences (e.g., on the international Congress of Biomechanics, the once a year conferences of the Acoustical Society of the United States, overseas Bone Densitometry Workshop, etc...). for this reason, the time has come for a totally brand new, finished evaluation of the subject. The e-book will provide the newest experimental effects and theoretical ideas constructed thus far and is meant for researchers, graduate or undergraduate scholars, engineers, and clinicians who're enthusiastic about the sphere. The principal a part of the ebook covers the physics of ultrasound propagation in bone. Our aim is to offer the reader an in depth view of the mathematical and numerical types as an relief to appreciate the QUS strength and the categories of variables that may be decided by means of QUS with a purpose to represent bone power. The propagation of sound in bone continues to be topic of extensive study. various versions were proposed (for instance, the Biot conception of poroelasticity and the speculation 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 assessment of the types has now not been released thus far. We intend during this ebook 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 techniques that experience grown exponentially in recent times. most up-to-date experimental findings and technological advancements can also be comprehensively reviewed.