Augmented and virtual reality instrument tracking for minimally invasive spine surgery: a feasibility and accuracy study

G Burström, R Nachabe, O Persson, E Edström… - Spine, 2019 - journals.lww.com
Study Design. Cadaveric animal laboratory study. Objective. To evaluate the feasibility and
accuracy of pedicle cannulation using an augmented reality surgical navigation (ARSN) …

A dynamic surrogate-assisted evolutionary algorithm framework for expensive structural optimization

M Yu, X Li, J Liang - Structural and Multidisciplinary Optimization, 2020 - Springer
In the expensive structural optimization, the data-driven surrogate model has been proven to
be an effective alternative to physical simulation (or experiment). However, the static …

Leveraging ultrasonic actuation during inclined orthopaedic bone drilling: An experimental and histological study

R Agarwal, V Gupta, J Singh - Applied Acoustics, 2023 - Elsevier
The treatment of fractured bones imperatively requires an orthopaedic bone drilling
procedure. During the drilling of fracture bone, induced cutting force and temperature …

Reliability-based robust optimization design for tolerance of aerospace thin-walled components based on surrogate model

D Xue, Y Li, H Zhang, X Tong, B Gao, J Yu - Advanced Engineering …, 2024 - Elsevier
In the manufacturing and assembly of aerospace thin-walled components (ATCs), the
rational optimization of part tolerances is crucial for improving the outer shape assembly …

Homogenized finite element models can accurately predict screw pull-out in continuum materials, but not in porous materials

M Einafshar, A Hashemi, GH van Lenthe - Computer methods and …, 2021 - Elsevier
Abstract Background and Objective Bone screw fixation can be estimated with several test
methods such as insertion torque, pull-out, push-in and bending tests. A basic …

Influence of thread design on anchorage of pedicle screws in cancellous bone: an experimental and analytical analysis

M Weidling, M Heilemann, S Schoenfelder… - Scientific Reports, 2022 - nature.com
Threads of modern pedicle screws can vary greatly in design. It is difficult to assess which
interplay of design features is particularly advantageous for screw anchorage. This study …

A novel ensemble of metamodels using improved stepwise metamodel selection and two-layer pointwise ensemble

D Xue, J Yu, Y Li, H Zhang, X Tong - Advanced Engineering Informatics, 2023 - Elsevier
Although an independent metamodel may be used to accurately describe certain response
relationships, it can be challenging to find suitable metamodels for various problems. The …

[HTML][HTML] Evaluating pedicle-screw instrumentation using decision-tree analysis based on pullout strength

V Varghese, V Krishnan, GS Kumar - Asian Spine Journal, 2018 - ncbi.nlm.nih.gov
Methods Pullout studies were carried out on rigid polyurethane foam, representing
extremely osteoporotic to normal bone for different insertion depths and angles of a pedicle …

A comparison of the influence of three different lumbar interbody fusion approaches on stress in the pedicle screw fixation system: finite element static and vibration …

W Fan, LX Guo - International journal for numerical methods in …, 2019 - Wiley Online Library
This study aimed to examine breakage risk of the bilateral pedicle screw (BPS) fixation
system under static and vibration loadings after three different types of lumbar interbody …

Comparison of pullout strength of pedicle screws following revision using larger diameter screws

V Varghese, V Krishnan, GS Kumar - Medical engineering & physics, 2019 - Elsevier
Pedicle screw fixation and fusion are the gold standard for the treatment of spinal instability.
Screw failures such as pullout and breakages have been reported during the past several …