radiation force

radiation force

a small, steady force that is produced when a sound beam strikes a reflecting or absorbing surface. It is proportional to the acoustic power.

radiation force

The force exerted on the body by incident radiation.
References in periodicals archive ?
Objective: To investigate the value of Acoustic Radiation Force Impulse elastography and its application in Achilles tendon elasticity of intermittent claudication due to lower extremity arterial ischaemia.
Shear waves in soft tissues can be generated by either direct mechanical vibration [5] or transient ultrasound (US) radiation force excitation [4, 6,7].
Tissue quantification with acoustic radiation force impulse imaging: Measurement repeatability and normal values in the healthy liver.
Such radiation force was first identified by Johanes Kepler when observing that tails of comets point away from the sun.
Incorporating photos and images, they discuss the fundamentals of equipment, ultrasound, and microanatomy; ultrasound-guided anesthesia and pain medicine for the upper and lower extremities, central blocks, and pediatric anesthesia; pain blocks; and future directions in the field, including impedance neurography, acoustic radiation force imaging, and medical image segmentation using modified Mumford segmentation methods.
Any medium or object in the path of an ultrasonic beam is subjected to a radiation force, which tends to push the material in the direction of the propagating wave.
Siemens Healthcare Ultrasound will highlight a new release of its premium ACUSON S2000 ultrasound platform featuring significant advancements in Acoustic Radiation Force Imaging (ARFI) and contrast imaging, as well as a complete new imaging line for OB/GYN.
produces pictures of liver tumors that are better than those made with traditional ultrasound, according to results of a clinical study, which suggests that the imaging method known as Acoustic Radiation Force Impulse (ARFI) ultrasound might offer a new tool for screening patients at increased risk for liver cancers.
Key words: long term stability; radiation force balance; standard ultrasonic source; ultrasonic power.
The new method, known as acoustic radiation force impulse, or ARFI, ultrasound uses high-energy sound waves to push on tissues.
Voluntary ex ante transparency notice: acquiring a reconditioned using ultrafast ultrasound shear waves generated by the ultrasound radiation force for ultrasonic imaging plateau lpro health - specialty maintenance and biomedical technology iut aix-marseille
This collection of 13 articles describes methods that use acoustic radiation force of acoustic waves, describing their dynamics and use in numerical modeling for the assessment and design of ultrasound vibroacoustography systems, strain induced by dual acoustic radiation force and its ultrasonic measurement, computational inverse problem techniques, and fundamental concepts and image formation in acoustic radiation force impulse imaging.
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