Results 41 to 50 of about 2,268 (202)

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, Tingjun Ye, Lianfu Deng, Jin Shao, Jin Qi, Qi Zhou, Li Wei, Shijing Qiu   +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, Docherty Paul D., Möller Knut   +2 more
doaj   +1 more source

Knee joint line obliquity alters lateral meniscal root tension, tibiofemoral subluxation and compartment‐specific contact pressures

Knee Surgery, Sports Traumatology, Arthroscopy, EarlyView.
Abstract Purpose The objective was to measure effects of joint line obliquity (JLO) on meniscus posterior root tension, tibiofemoral subluxation and contact pressures. It was hypothesised that a medial JLO would increase medial meniscal (MM) root tension, medial tibiofemoral subluxation and medial compartment contact pressure, and vice versa for ...
Shuntaro Nejima, Petra Bonacic‐Bartolin, Simon Ball, Andy Williams, Richard van Arkel, Andrew Amis   +5 more
wiley   +1 more source

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), Simon C. Mears MD, PhD, Evan R. Langdale BS, Stephen M. Belkoff PhD, MPH   +3 more
doaj   +1 more source

Self-tapping Intermaxillary Fixation Screw: An Alternative to Arch Bar

The Journal of Contemporary Dental Practice, 2017
ABSTRACT Introduction The use of intermaxillary fixation (IMF) in the treatment of faciomaxillary fractures is the key factor for reduction and immobilization. Various techniques of IMF have been described in the past and recently IMF screws have been introduced. This technique has various advantages, including ease of use, less time consumption, less
Animesh, Barodiya, Rishi, Thukral, S M, Agrawal, Anil S, Chouhan, Sidharth, Singh, Yogesh, Loksh   +5 more
openaire   +2 more sources

Polycarbonate Vitrimers and Dynamic Co‐Networks From Epoxide/Carbon Dioxide Copolymerization

Macromolecular Rapid Communications, EarlyView.
This work demonstrates how CO2‐derived poly(propylene carbonate) and poly(cyclohexene carbonate) backbones influence vitrimer thermo‐mechanical behavior. By tuning backbone composition, epoxide crosslinker chemistry and blend ratios, the crosslinked materials span a wide property window, from highly extensible to stiff, glassy networks, establishing an
Satej S. Joshi, Sophia Aracri, Mark D. Foster, James M. Eagan   +3 more
wiley   +1 more source

Are Self-Drilling, Self-Tapping Screws Effective in Anterior Cervical Fusion Surgery? One Surgeon’s Experience with 50 Consecutive Patients

Journal of Spine Practice
Purpose 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, Juan P. Giraldo, Sohail Daulat, James Kelbert, Vick S. Sahni, Giovanni Barbagli, Christina Cannata, Diego T. Soto Rubio, Annemarie Pico, Amna Hussein, Abdullah Al-Arfaj, Michael Prim, Ali A. Baaj   +12 more
doaj   +1 more source

Crisis Preparation, Capacity Building, and Community Resilience: Lessons From Maui

Nonprofit Management and Leadership, EarlyView.
ABSTRACT The 2023 Maui wildfires provide a unique context to explore the impact of nonprofit crisis networks taking a proactive role in community crisis response, leveraging resources, expertise, and networks. The Hawaiʻi Community Foundation (HCF) has been a key player in Maui's local response, providing critical support, mobilizing volunteers, and ...
Lauren Azevedo, Kaila Witkowski, Ratna Dougherty, Christa Remington   +3 more
wiley   +1 more source

The Legacies of Lockdown: Moral Logics of Exchange and Mistrust in Postpandemic China

Economic Anthropology, EarlyView.
ABSTRACT When Shanghai entered an extended lockdown under China's Zero‐COVID policy in spring 2022, residents found themselves confined within their residential compounds, cut off from conventional supply chains, and dependent on improvised systems of local provisioning and state rationing. From the perspective of economic anthropology, such conditions
Erika Kuever
wiley   +1 more source

The Automated Threaded Fastening Based on On-line Identification

International Journal of Advanced Robotic Systems, 2008
The principle of the thread fastenings have been known and used for decades with the purpose of joining one component to another. Threaded fastenings are popular because they permit easy disassembly for maintenance, repair, relocation and recycling ...
Nicolas Ivan Giannoccaro, Mongkorn Klingajay   +1 more
doaj