Results 21 to 30 of about 132,248 (302)
A Transparent Ultrasound Array for Real-Time Optical, Ultrasound, and Photoacoustic Imaging
BME Frontiers, 2022 Objective and Impact Statement. Simultaneous imaging of ultrasound and optical contrasts can help map structural, functional, and molecular biomarkers inside living subjects with high spatial resolution.
Haoyang Chen +9 more
doaj +1 more source
Effects of ultrasound on polymeric foam porosity [PDF]
, 2008 A variety of materials require functionally graded cellular microstructures whose porosity is engineered to meet specific applications (e.g. mimic bone structure for orthopaedic applications; fulfil mechanical, thermal or acoustic constraints in ...
Blitz +23 more
core +2 more sources
A Flexible Ultrasound Transducer Array with Micro-Machined Bulk PZT
Sensors, 2015 This paper proposes a novel flexible piezoelectric micro-machined ultrasound transducer, which is based on PZT and a polyimide substrate. The transducer is made on the polyimide substrate and packaged with medical polydimethylsiloxane. Instead of etching
Zhe Wang +8 more
doaj +1 more source
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
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
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
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
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
The effect of internal pipe wall roughness on the accuracy of clamp-on ultrasonic flow meters [PDF]
, 2018 Clamp-on transit-time ultrasonic flowmeters (UFMs) suffer from poor accuracy compared with spool-piece UFMs due to uncertainties that result from the in-field installation process.
Cegla, F, Gu, X
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