Results 121 to 130 of about 97,080 (357)
Non-invasive quantification of lower limb mechanical alignment in flexion [PDF]
, 2014 Objective: Non-invasive navigation techniques have recently been developed to determine mechanical femorotibial alignment (MFTA) in extension. The primary aim of this study was to evaluate the precision and accuracy of an image-free navigation system ...
Deakin, Angela +3 more
core +1 more source
Spring and Power in Hovering Ornithopters
Advanced Intelligent Systems, EarlyView.Only small ornithopters can hover, longest at the hummingbird size. This article reviews the drive and power of these hovering machines, focusing on elastic energy and thrust boosters. Unlike two‐winged designs, X‐winged and multiple‐V‐winged ornithopters benefit from lower disk loading and slower, smaller wingbeats, and the clap‐and‐fling effect ...
Gih‐Keong Lau +4 more
wiley +1 more source
Bulletin of University of Agricultural Sciences and Veterinary Medicine Cluj-Napoca: Veterinary MedicineInserting orthopedic screws into a hole that is too small can produce excessive mechanical forces that cause osteocyte death and difficulty carrying out bone repair processes. The aim of the study was to evaluate the osseointegration of titanium screws 6
Vasile DUMA +8 more
doaj +1 more source
Journal of Orthopaedic Surgery, 2015 Purpose. To compare the compressive strength of cannulated versus non-cannulated cancellous screws for undisplaced femoral neck fractures in synthetic bones. Methods.
AW Gardner +4 more
doaj +1 more source
Numerical simulation of bone screw induced pretension: The cases of under-tapping and conical profile [PDF]
, 2014 Even though screw induced pretension impacts the holding strength of bone screws, its implementation into the numerical simulation of the pullout phenomenon remains a problem with no apparent solution.
CHATZISTERGOS, Panagiotis +2 more
core +1 more source
Advanced Intelligent Systems, EarlyView.Single‐pump‐actuated transformable dual‐mode gripper (SATDG) that combines vacuum suction and granular jamming to effectively grasp objects ranging from 10 to 300 mm in size, spanning a vast 30‐fold range, with forces from 0.5 to 21 N, is studied. Using a bistable mechanism and origami structure, the SATDG can transform between two modes and activate ...
Tianle Pan +7 more
wiley +1 more source
Evaluation of dental implant stability in bone phantoms: comparison between a quantitative ultrasound technique and resonance frequency analysis [PDF]
arXiv, 2019 Background Resonance frequency analyses and quantitative ultrasound methods have been suggested to assess dental implant primary stability. PurposeThe purpose of this study was to compare the results obtained using these two techniques applied to the same dental implants inserted in various bone phantoms.
arxiv
Advances in 3D and 4D Printing of Soft Robotics and Their Applications
Advanced Intelligent Systems, EarlyView.This article summarizes the development of 3D‐printed soft robotics in the recent decade. The article discusses the printing capabilities of different additive manufacturing technologies in terms of soft polymers, multimaterial printability, soft robotic printing, and 4D printing.
Hao Liu +5 more
wiley +1 more source
Surface Modifications of Orthodontic Bone Screws - A Novel Approach [PDF]
Anchorage control plays a key role in the correction of malocclusion. With the advent of orthodontic bone screws, attaining absolute anchorage control has become hassle free.
M. S, RAVI, Menta, Sai kalyan, Dr
core +1 more source
Human Mimetic Forearm Design with Radioulnar Joint using Miniature Bone-Muscle Modules and Its Applications [PDF]
The human forearm is composed of two long, thin bones called the radius and the ulna, and rotates using two axle joints. We aimed to develop a forearm based on the body proportion, weight ratio, muscle arrangement, and joint performance of the human body in order to bring out its benefits. For this, we need to miniaturize the muscle modules.
arxiv +1 more source