Results 51 to 60 of about 4,576,853 (213)
Pullout Performance of Self-Tapping Medical Screws
, 2020 This study investigates the effect of the pilot hole size, implant depth, synthetic bone density, and screw size on the pullout strength of the self-tapping screw using analytical, finite element, and experimental methodologies.
Sayed A Nassar, Xianjie Yang
core
Advanced Electronic Materials, EarlyView.1T1R‐arrays combining filamentary‐type memristors and CMOS transistors offer great potential for energy‐efficient analog hardware accelerators. Here, transient SET analysis of nanoscale HfO2 memristors integrated on 180 nm CMOS wafers is discussed.
Oliver Artner +11 more
wiley +1 more source
Advanced Intelligent Discovery, EarlyView.A machine learning‐guided self‐driving laboratory screened over 500 nickel‐based layered double‐hydroxide catalysts for alkaline oxygen evolution. Out of the eight metals, the robot uncovered a quaternary Ni–Fe–Cr–Co catalysts requiring only 231 mV overpotential to reach 20 mA cm−2.
Nis Fisker‐Bødker +3 more
wiley +1 more source
Journal of Spine PracticePurpose Even though plate and screw designs in anterior cervical discectomy and fusion (ACDF) have evolved to improve fusion stability and enhance patient outcomes, some argue that pre-tapping remained the best option. The purpose of this study is to
Nikhil Dholaria +12 more
doaj +1 more source
Advanced Intelligent Systems, EarlyView.Inspired by human touch, a tendon‐driven soft robotic finger combines multimodal tactile sensing and deep learning to simultaneously perceive texture and softness on deformable surfaces. A CNN‐LSTM model fuses pressure, accelerometer, and gyroscope signals to accurately classify material properties, achieving up to 95.4% texture and 97.0% softness ...
Gorkem Anil Al +3 more
wiley +1 more source
Solid–liquid transport in a modified co-rotating twin-screw extruder-dynamic simulator and experimental validations [PDF]
, 2004 This work presents a dynamic transport model of a solid–liquid media through a twin-screw extruder (TSE). The application under consideration is the solid–liquid extraction of solute from raw plant substrate.
Prat, Laurent E. +4 more
core +1 more source
Effect of Physical Properties of Softwoods on Embedment Strength Performance of Self-tapping Screws
BioResources, 2023 The embedment strength performance of the self-tapping screw (STS) connector, used as a cross-laminated timber fastener, was evaluated considering tree species’ density and load direction as parameters.
In-Hwan Lee, Keon-Ho Kim
doaj +2 more sources
Salvaging the Pullout Strength of Stripped Screws in Osteoporotic Bone
Geriatric Orthopaedic Surgery & Rehabilitation, 2013 Our goal was to determine whether the pullout strength of stripped screw holes in osteoporotic bone could be increased with readily available materials from the operating room.
Pierre H. M. Pechon MBChB, MSc(OrthEng), MRCS(Ed) +3 more
doaj +1 more source
Repair of microdamage in osteonal cortical bone adjacent to bone screw.
PLoS ONE, 2014 Up to date, little is known about the repair mode of microdamage in osteonal cortical bone resulting from bone screw implantation. In this study, self-tapping titanium cortical bone screws were inserted into the tibial diaphyses of 24 adult male rabbits.
Lei Wang +7 more
doaj +1 more source
Developments in Modelling Bone Screwing
Current Directions in Biomedical Engineering, 2020 INTRODUCTION: A torque-rotation model of the bone-screwing process has been proposed. Identification of model parameters using recorded data could potentially be used to determine the material properties of bone.
Wilkie Jack +2 more
doaj +1 more source