Results 31 to 40 of about 133,430 (295)
Biosensors, 2023 Intravascular ultrasound (IVUS) imaging has been extensively utilized to visualize atherosclerotic coronary artery diseases and to guide coronary interventions.
Yashuo He +3 more
doaj +1 more source
Acousto-electrical speckle pattern in Lorentz force electrical impedance tomography [PDF]
, 2015 Ultrasound speckle is a granular texture pattern appearing in ultrasound imaging. It can be used to distinguish tissues and identify pathologies. Lorentz force electrical impedance tomography is an ultrasound-based medical imaging technique of the tissue
Catheline, Stefan +7 more
core +4 more sources
Acoustical structured illumination for super-resolution ultrasound imaging. [PDF]
, 2018 Structured illumination microscopy is an optical method to increase the spatial resolution of wide-field fluorescence imaging beyond the diffraction limit by applying a spatially structured illumination light.
Ferrara, Katherine W +4 more
core +3 more sources
Device for Dual Ultrasound and Dry Needling Trigger Points Treatment
Sensors, 2023 Ultrasound is a well-known tool to produce thermal and non-thermal effects on cells and tissues. These effects require an appropriate application of ultrasound in terms of localization and acoustic energy delivered.
Gerardo Portilla +1 more
doaj +1 more source
Overview of Ultrasound Detection Technologies for Photoacoustic Imaging
Micromachines, 2020 Ultrasound detection is one of the major components of photoacoustic imaging systems. Advancement in ultrasound transducer technology has a significant impact on the translation of photoacoustic imaging to the clinic.
Rayyan Manwar +2 more
doaj +1 more source
Sensors, 2021 We present a back-to-back (BTB) structured, dual-mode ultrasonic device that incorporates a single-element 5.3 MHz transducer for high-intensity focused ultrasound (HIFU) treatment and a single-element 20.0 MHz transducer for high-resolution ultrasound ...
Hae Gyun Lim +9 more
doaj +1 more source
Experimental investigation of inter-element isolation in a medical array transducer at various manufacturing stages [PDF]
, 2016 This work presents the experimental investigation of vibration maps of a linear array transducer with 192 piezoelements by means of a laser Doppler vibrometer at various manufacturing finishing steps in air and in water.
Bini, Fabiano +2 more
core +1 more source
The Influence of Air Pressure on the Dynamics of Flexural Ultrasonic Transducers
Sensors, 2019 The flexural ultrasonic transducer comprises a piezoelectric ceramic disc bonded to a membrane. The vibrations of the piezoelectric ceramic disc induce flexural modes in the membrane, producing ultrasound waves. The transducer is principally utilized for
Andrew Feeney +3 more
doaj +1 more source
Characterisation of contact pressure distribution in bolted joints [PDF]
, 2006 The quantification of contact area and pressure distribution in a bolted joint is essential information, as it determines the integrity of the coupling. Current bolted joint design standards are based on analytical solutions of the pressure distribution,
Arakawa +11 more
core +1 more source
Design and Fabrication of Double-Focused Ultrasound Transducers to Achieve Tight Focusing
Sensors, 2016 Beauty treatment for skin requires a high-intensity focused ultrasound (HIFU) transducer to generate coagulative necrosis in a small focal volume (e.g., 1 mm3) placed at a shallow depth (3–4.5 mm from the skin surface).
Jihun Jang, Jin Ho Chang
doaj +1 more source