Calibration of crushable foam plasticity models for synthetic bone material for use in finite element analysis of acetabular cup deformation and primary stability.

abstract：:Unbalanced contact force on the tibial component has been considered a factor leading to loosening of the implant and increased wear of the bearing surface in total knee arthroplasty. Because it has been reported that good alignment cannot guarantee successful clinical outcomes, the soft tissue balance should be check...

journal_title：Computer methods in biomechanics and biomedical engineering

authors： Oh KJ,Park WM,Kim K,Kim YH

更新日期：2014-01-01 00:00:00

abstract：:To explore which TLIF techniques are advantageous in reducing the risk of complications and conducive to bone fusion under the vibration. The L1-L5 finite element lumbar model was modified to simulate three different TLIF techniques (a unilateral standard cage, a crescent-shaped cage, and bilateral standard cages). Th...

journal_title：Computer methods in biomechanics and biomedical engineering

authors： Wang QD,Guo LX

更新日期：2020-10-13 00:00:00

abstract：:Convective transports in the vertebral end plate (VEP) play a significant role in the homeostasis of the spine. A few studies hypothesised that the hydraulic resistance or effective permeability of the VEP could be dependant upon fluid-flow direction. Results were influenced by species, region of interest within the e...

journal_title：Computer methods in biomechanics and biomedical engineering

authors： Swider P,Accadbled F,Laffosse JM,Sales de Gauzy J

更新日期：2012-01-01 00:00:00

abstract：:The Montgomery T-tube is used as a combined tracheal stent and airway after laryngotracheoplasty, to keep the lumen open and prevent mucosal laceration from scarring. It is valuable in the management of upper and mid-tracheal lesions, while invaluable in long and multisegmental stenting lesions. Numerical simulations ...

journal_title：Computer methods in biomechanics and biomedical engineering

authors： Trabelsi O,Malvè M,Mena Tobar A,Doblaré M

更新日期：2015-01-01 00:00:00

abstract：:Stress analysis determines vulnerability of dental tissues to external loads. Stress values depend on loading conditions, mechanical properties and constrains of structural components. The critical stress levels lead to tissue damage. The aim of this study is to analyse dynamic stress distribution of lower second prem...

journal_title：Computer methods in biomechanics and biomedical engineering

authors： Khani MM,Tafazzoli-Shadpour M,Aghajani F,Naderi P

更新日期：2009-10-01 00:00:00

abstract：:In this study we aim at investigating the applicability of underwater 3D motion capture based on submerged video cameras in terms of 3D accuracy analysis and trajectory reconstruction. Static points with classical direct linear transform (DLT) solution, a moving wand with bundle adjustment and a moving 2D plate with Z...

journal_title：Computer methods in biomechanics and biomedical engineering

authors： Silvatti AP,Cerveri P,Telles T,Dias FA,Baroni G,Barros RM

更新日期：2013-01-01 00:00:00

abstract：:The goal of this study was to define the effect on hip contact forces of including subject-specific moment generating capacity in the musculoskeletal model by scaling isometric muscle strength and by including geometrical information in control subjects, hip osteoarthritis and total hip arthroplasty patients. Scaling ...

journal_title：Computer methods in biomechanics and biomedical engineering

authors： Wesseling M,De Groote F,Meyer C,Corten K,Simon JP,Desloovere K,Jonkers I

更新日期：2016-11-01 00:00:00

abstract：:Monitoring of skin blood flow oscillations related with mechanical activity of vessels is a very useful modality during diagnosis of peripheral hemodynamic disorders. In this study, we developed a new model and technique for real-time conversion of skin temperature into skin blood flow oscillations, and vice versa. Th...

journal_title：Computer methods in biomechanics and biomedical engineering

authors： Sagaidachnyi A,Fomin A,Usanov D,Skripal A

更新日期：2019-09-01 00:00:00

abstract：:Preoperative planning, or intraoperative navigation of hip surgery, including joint-preserving procedures such as osteotomy or joint-replacing procedures such as total arthroplasty, needs to be performed with a high degree of accuracy to ensure a successful outcome. The ability to precisely localise the hip joint rota...

journal_title：Computer methods in biomechanics and biomedical engineering

authors： Kang MJ,Sadri H,Stern R,Magnenat-Thalmann N,Hoffmeyer P,Ji HS

更新日期：2011-01-01 00:00:00

abstract：:Accident statistics show that more than 80% of car-to-pedestrian collisions (CPC) occur when pedestrians cross the road. It is very important to establish a finite element model with natural walking posture to study the kinematics and injury mechanism of pedestrians. In this study, a finite element model of six-year-o...

journal_title：Computer methods in biomechanics and biomedical engineering

authors： Li H,Li K,Huang Y,Lv W,Cui S,He L,Ruan JS,Wang C

更新日期：2020-09-02 00:00:00

abstract：:This study is devoted to the development of a non-linear anisotropic model for the human periodontal ligament (PDL). A thorough knowledge of the behaviour of the PDL is vital in understanding the mechanics of orthodontic tooth mobility, soft tissue response and proposed treatment plans. There is considerable evidence ...

journal_title：Computer methods in biomechanics and biomedical engineering

authors： Zhurov AI,Limbert G,Aeschlimann DP,Middleton J

更新日期：2007-06-01 00:00:00

abstract：:At present, computer assisted surgery systems help orthopaedic surgeons both plan and perform surgical procedures. To enable these systems to function, it is crucial to have at one's disposal 3D models of anatomical structures, surgical tools and prostheses (if required). This paper analyses and compares three methods...

journal_title：Computer methods in biomechanics and biomedical engineering

authors： Filippi S,Motyl B,Bandera C

更新日期：2009-02-01 00:00:00

abstract：OBJECTIVES:The purpose of the present study was to evaluate the distribution and magnitude of stresses through the bone tissue surrounding Morse taper dental implants at different positioning relative to the bone crest. MATERIALS AND METHODS:A mandibular bone model was obtained from a computed tomography scan. A three...

journal_title：Computer methods in biomechanics and biomedical engineering

authors： Macedo JP,Pereira J,Faria J,Souza JCM,Alves JL,López-López J,Henriques B

更新日期：2018-09-01 00:00:00

abstract：:Sparse geometric information from limited field-of-view medical images is often used to reconstruct the femur in biomechanical models of the hip and knee. However, the full femur geometry is needed to establish boundary conditions such as muscle attachment sites and joint axes which define the orientation of joint loa...

journal_title：Computer methods in biomechanics and biomedical engineering

authors： Zhang J,Besier TF

更新日期：2017-04-01 00:00:00

abstract：:The aim of this study was to investigate and present a new mapping method to describe muscle pain sensitivity based on the assessment of pressure pain threshold (PPT) over the trapezius muscle. PPT data were recorded from 36 points in 20 healthy males using a standardised grid. Points were clustered using the K-means ...

journal_title：Computer methods in biomechanics and biomedical engineering

authors： Binderup AT,Arendt-Nielsen L,Madeleine P

更新日期：2010-12-01 00:00:00

abstract：:Dialyser manufacturers only provide limited information about mass removal under well-defined flow and solute conditions in commercially available dialysers for hemodialysis. This computational study aimed at assessing the solute transport efficiency in a dialyser for different geometries (fiber lengths and diameters)...

journal_title：Computer methods in biomechanics and biomedical engineering

authors： Eloot S,Vierendeels J,Verdonck P

更新日期：2006-12-01 00:00:00

abstract：:Three-dimensional finite element models of the thoracolumbar junction (T12-L2) and isolated L1 vertebra were developed to investigate the role of material properties and loading conditions on vertebral stresses and strains to predict fracture risk. The geometry of the vertebrae was obtained from computed tomography im...

journal_title：Computer methods in biomechanics and biomedical engineering

authors： Erdem I,Truumees E,van der Meulen MC

更新日期：2013-01-01 00:00:00

abstract：:The aim of this work was to improve the constitutive model of the human mandible and dentition system by taking into account the non-linear material properties of the structural boney matrix that forms the human jaw bone or mandible. Due to the specific structure of the jaw bone the time dependence of the mechanical p...

journal_title：Computer methods in biomechanics and biomedical engineering

authors： Vitins V,Dobelis M,Middleton J,Limbert G,Knets I

更新日期：2003-10-01 00:00:00

abstract：:The 2D shape of the lumbar spine in the sagittal plane can be determined from lordosis angles measured between the corresponding end-plates of the vertebral bodies or by using an active shape model (ASM) of the vertebral body outline. The ASM was previously shown to be a more efficient and reliable method, but its acc...

journal_title：Computer methods in biomechanics and biomedical engineering

authors： Ali AH,Cowan AB,Gregory JS,Aspden RM,Meakin JR

更新日期：2012-01-01 00:00:00

abstract：:Factors related to micromovements at bone-implant interface have been studied because they are considered adverse to osseointegration. Simplifications are commonly observed in these FEA evaluations. The aim of this study was to clarify the influence of FEA parameters (boundary conditions and bone properties) on the st...

journal_title：Computer methods in biomechanics and biomedical engineering

authors： Dos Santos MBF,Meloto GO,Bacchi A,Correr-Sobrinho L

更新日期：2017-06-01 00:00:00

abstract：:In the present study, the free fall impact test in accordance with the EN1078 standard for certification of bicycle helmets is replicated using numerical simulations. The impact scenario is simulated using an experimentally validated, patient-specific head model equipped with and without a bicycle helmet. Head acceler...

journal_title：Computer methods in biomechanics and biomedical engineering

authors： Sandberg M,Tse KM,Tan LB,Lee HP

更新日期：2018-09-01 00:00:00

abstract：:In electromagnetic dosimetry, anatomical human models are commonly obtained by segmentation of magnetic resonance imaging or computed tomography scans. In this paper, a human head model extracted from thermal infrared images is examined in terms of its applicability to specific absorption rate (SAR) calculations. Sinc...

journal_title：Computer methods in biomechanics and biomedical engineering

authors： Gasmelseed A

更新日期：2011-07-01 00:00:00

abstract：:The study of the topological organisation of myocardial cells is a basic requirement for understanding the mechanical design of the normal and pathological heart. Anatomical observations show that cardiac muscle tissue has a highly specialized architecture. We have made new quantitative measurements of fibre orientati...

journal_title：Computer methods in biomechanics and biomedical engineering

authors： Ohayon J,Usson Y,Jouk PS,Cai H

更新日期：1999-01-01 00:00:00

abstract：:An appropriate method of application of the hip-joint force and stress analysis of the pelvic bone, in particular the acetabulum, is necessary to investigate the changes in load transfer due to implantation and to calculate the reference stimulus for bone remodelling simulations. The purpose of the study is to develop...

journal_title：Computer methods in biomechanics and biomedical engineering

authors： Ghosh R,Pal B,Ghosh D,Gupta S

更新日期：2015-01-01 00:00:00

abstract：:We investigate the behavior of a spherical cavity in a soft biological tissue modeled as a deformable porous material during an injection of non-Newtonian fluid that follows a power law model. Fluid flows into the neighboring tissue due to high cavity pressure where it is absorbed by capillaries and lymphatics at a ra...

journal_title：Computer methods in biomechanics and biomedical engineering

authors： Ahmed A,Siddique JI,Mahmood A

更新日期：2017-10-01 00:00:00

abstract：:Retinal blood vessel detection and analysis play vital roles in early diagnosis and prevention of several diseases, such as hypertension, diabetes, arteriosclerosis, cardiovascular disease and stroke. This paper presents an automated algorithm for retinal blood vessel segmentation. The proposed algorithm takes advanta...

journal_title：Computer methods in biomechanics and biomedical engineering

authors： Saleh MD,Eswaran C

更新日期：2012-01-01 00:00:00

abstract：:Burns in the airway from inhaling hot gases lead to one of the most common causes of death in the United States. In order to navigate tissues with large burn areas, the velocity, temperature, and heat flux distributions throughout the human airway system are computed for the inhalation of hot air using the finite-elem...

journal_title：Computer methods in biomechanics and biomedical engineering

authors： Park S

更新日期：2016-01-01 00:00:00

abstract：:Anterior percutaneous endoscopic cervical discectomy (APECD) is a common treatment for cervical spondylotic radiculopathy (CSR). In this study, the effects of various channel diameters and approach angles on cervical vertebrae on postoperative outcomes in APECD surgery were explored. A finite element model of intact c...

journal_title：Computer methods in biomechanics and biomedical engineering

authors： Sun MS,Yuchi CX,Cai XY,Du CF,Mo ZJ

更新日期：2020-12-01 00:00:00

abstract：:The aim of this study is to evaluate the fracture union or non-union for a specific patient that presented oblique fractures in tibia and fibula, using a mechanistic-based bone healing model. Normally, this kind of fractures can be treated through an intramedullary nail using two possible configurations that depends o...

journal_title：Computer methods in biomechanics and biomedical engineering

authors： Alierta JA,Pérez MA,Seral B,García-Aznar JM

更新日期：2016-09-01 00:00:00

abstract：:This article develops a two prion population model that simulates prion trafficking between an infected dendritic cell and a neuron. The situation when the two cells are connected by a tunnelling nanotube (TNT) is simulated. Two mechanisms of prion transport are considered: lateral diffusion in the TNT membrane and ac...

journal_title：Computer methods in biomechanics and biomedical engineering

authors： Kuznetsov IA,Kuznetsov AV

更新日期：2014-11-01 00:00:00