Results 91 to 100 of about 21,993 (294)

Soft Actuators Integrated with Control and Power Units: Approaching Wireless Autonomous Soft Robots

Advanced Robotics Research, EarlyView.
Soft robots exhibit significant development potential in various applications. However, there are still key technical challenges regarding material improvement, structure design and components integration. This review focuses on the development and challenge of soft actuators, power components, and control components in untethered intelligent soft ...
Renwu Shi, Feifei Pan, Xiaobin Ji
wiley   +1 more source

Modelling and simulation of nonlinear wave propagation in ultrasound imaging

, 2021
Nonlinear ultrasound imaging has become increasingly important in medical but also industrial areas. This project is in cooperation with GE Healthcare at a site specialized in diagnostic ultrasound. The aim of this thesis is to develop a model that takes
Rauscher, Teresa
core   +1 more source

Tumbling Magnetic Microrobots for Targeted In Vivo Drug Delivery in the GI Tract

Advanced Robotics Research, EarlyView.
We introduce a microrobot design and integrated system for on‐demand targeted drug release in the gastrointestinal tract. The microrobot has an embedded magnet for actuation with external magnetic fields and is visualized in real time using ultrasound. It has two drug release ports sealed with a thermally sensitive wax. Local heating of the wax using a
Aaron C. Davis, Luis Carlos Sanjuan Acosta, Shubh P. Mehta, Baiyan Qi, Yang Yang, Luis Solorio, Craig J. Goergen, David J. Cappelleri   +7 more
wiley   +1 more source

Ultrax:An Animated Midsagittal Vocal Tract Display for Speech Therapy

, 2012
Speech sound disorders (SSD) are the most common communication impairment in childhood, and can hamper social development and learning. Current speech therapy interventions rely predominantly on the auditory skills of the child, as little technology is ...
Renals, S., Richmond, K.; id_orcid
core  

Cross‐Scale Hierarchical Targeted Delivery System Based on Small‐Scale Magnetic Robots

Advanced Robotics Research, EarlyView.
This article reviews a cross‐scale hierarchical targeted delivery system that integrates magnetic continuum robots and magnetic microrobots. By combining rapid long‐range navigation with precise microscale targeting, the system overcomes key limitations of single‐scale approaches.
Junjian Zhou, Zhiqiang Chen, Yuanbiao Ma, Zhiqiang Tang, Qianqian Wang   +4 more
wiley   +1 more source

Ultrasound Imaging of Nonlinear Media Response Using a Pressure-Dependent Nonlinearity Index

Archives of Acoustics
It has been shown that within the range of acoustic pressures used in ultrasound imaging, waveforms are distorted during propagation in tissue due to the physically nonlinear behavior of the tissue. This distortion leads to changes in the spectrum of the
Andrzej NOWICKI, Jurij TASINKIEWICZ, Piotr KARWAT, Ihor TROTS, Norbert ŻOŁEK, Ryszard TYMKIEWICZ   +5 more
doaj   +1 more source

Mechanics of nonlinear ultrasound in tissue

, 2016
A lo largo del desarrollo de esta Tesis, hace un desarrollo unificado de las teorías de nonlinealidad elástica basadas en la mecánica de medios continuos clásica. Se establece una relación con la nolinealidad acústica clásica desde una nueva perspectiva que valida los resultados de Hamilton y Norris en su libro Nonlinear Acoustics [2].
openaire   +2 more sources

Strategic Design of Soft Actuators in Translational Medical Robotics for Human‐Centered Healthcare

Advanced Robotics Research, EarlyView.
Soft robotics enables biocompatible, compliant medical devices, but clinical translation requires design‐driven engineering beyond materials. This perspective reviews implantable, surgical, and wearable systems by actuation mechanism, highlighting how optimized architectures and integration improve mechanical interfacing, adaptability, and durability ...
Ho Jun Jin, Jimin Kim, Inho Kim, Bong Hoon Kim   +3 more
wiley   +1 more source

Construction of a Compound Model to Enhance the Accuracy of Hepatic Fat Fraction Estimation with Quantitative Ultrasound

Diagnostics
Background: we evaluated regression models based on quantitative ultrasound (QUS) parameters and compared them with a vendor-provided method for calculating the ultrasound fat fraction (USFF) in metabolic dysfunction-associated steatotic liver disease ...
Zsély Boglárka, Zita Zsombor, Aladár D. Rónaszéki, Anna Egresi, Róbert Stollmayer, Marco Himsel, Viktor Bérczi, Ildikó Kalina, Klára Werling, Gabriella Győri, Pál Maurovich-Horvat, Anikó Folhoffer, Krisztina Hagymási, Pál Novák Kaposi   +13 more
doaj   +1 more source

Nonlinear propagation artefact correction in contrast enhanced ultrasound imaging [PDF]

, 2016
In contrast enhanced ultrasound images (CEUS) that use microbubbles, nonlinear propagation of ultrasound creates artefacts which significantly impact the qualitative and quantitative assessments of tissue perfusion.
Yildiz, Yesna
core   +1 more source