An efficient algorithm for retinal blood vessel segmentation using h-maxima transform and multilevel thresholding.

abstract：:The decompensated univentricular circulation is identified as one of the most challenging conditions and the application of the mechanical circulatory support (MCS) devices is proposed as therapeutic option for Fontan failure. Modelling methodologies are reported to identify the optimized types, extent and duration of...

journal_title：Computer methods in biomechanics and biomedical engineering

authors： Rubtsova E,Markov A,Selishchev S,Karimov JH,Telyshev D

更新日期：2021-01-11 00:00:00

abstract：:A novel, coarse-grained, single-framework 'Eulerian' model for blood flow in the microvascular circulation is presented and used to estimate the variations in flow properties that accrue from all of the following: (i) wall position variation, associated with the endothelial cells' (ECs) shape, (ii) glycocalyx layer (G...

journal_title：Computer methods in biomechanics and biomedical engineering

authors： Pontrelli G,Halliday I,Spencer TJ,König CS,Collins MW

更新日期：2015-01-01 00:00:00

abstract：:Numerical modelling of the cardiovascular system is becoming an important tool for assessing the influence of heart disease and treatment therapies. In the current study, we present an approach for modelling the interaction between the heart and the circulatory system. This was accomplished by creating animal-specific...

journal_title：Computer methods in biomechanics and biomedical engineering

authors： Wenk JF,Ge L,Zhang Z,Soleimani M,Potter DD,Wallace AW,Tseng E,Ratcliffe MB,Guccione JM

更新日期：2013-01-01 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：:Most of musculoskeletal models (MSKM) estimate the tibiofemoral joint reaction load at a single point or do not support large lower-limb ranges. This study aimed to adapt a generic MSKM that allows large knee and hip flexions to compute medial and lateral tibiofemoral contact forces (TFCF) during gait and squat tasks....

journal_title：Computer methods in biomechanics and biomedical engineering

authors： Bedo BLS,Catelli DS,Lamontagne M,Santiago PRP

更新日期：2020-08-01 00:00:00

abstract：:This work is concerned with the lubrication analysis of artificial knee joints, which plays an increasing significant role in clinical performance and longevity of components. Time-dependent elastohydrodynamic lubrication analysis for normal total knee replacement is carried out under the cyclic variation in both load...

journal_title：Computer methods in biomechanics and biomedical engineering

authors： Su Y,Yang P,Fu Z,Jin Z,Wang C

更新日期：2011-06-01 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：: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：:There are few previous studies on the elastic properties of ureter and most have been limited to essentially one-dimensional deformation measurements. The object of this study was, therefore, to identify regional variations in the multiaxial behaviour of rabbit ureter, subjected to in vitro inflation/extension testing...

journal_title：Computer methods in biomechanics and biomedical engineering

authors： Sokolis DP

更新日期：2014-11-01 00:00:00

abstract：:Rupture of intracranial saccular aneurysms continues to result in significant morbidity and mortality. Although it has long been thought that biomechanical factors play key roles in the genesis, growth, and rupture of these lesions, few analysis have employed realistic descriptions of the geometries and material prope...

journal_title：Computer methods in biomechanics and biomedical engineering

authors： Shah AD,Harris JL,Kyriacou SK,Humphrey JD

更新日期：1998-01-01 00:00:00

abstract：:In order to have research on the deformation characteristics and mechanical properties of human red blood cells (RBCs), finite element models of RBC optical tweezers stretching and atomic force microscope (AFM) indentation were established. Non-linear elasticity of cell membrane was determined by using the neo-Hookean...

journal_title：Computer methods in biomechanics and biomedical engineering

authors： Wang Y,Sang J,Ao R,Ma Y,Fu B

更新日期：2020-11-01 00:00:00

abstract：:The objective of this investigation was to develop probabilistic finite element (FE) models of the anterior longitudinal ligament (ALL) and posterior longitudinal ligament (PLL) of the cervical spine that incorporate the natural variability of biological specimens. In addition to the model development, a rigorous vali...

journal_title：Computer methods in biomechanics and biomedical engineering

authors： Francis WL,Eliason TD,Thacker BH,Paskoff GR,Shender BS,Nicolella DP

更新日期：2014-01-01 00:00:00

abstract：:Polyurethane (PU) foam is a material often used in biomechanical experiments and demands for the definition of crushable foam plasticity (CFP) in numerical simulations of the primary stability and deformation of implants, to describe the crushing behaviour appropriately. Material data of PU foams with five different d...

journal_title：Computer methods in biomechanics and biomedical engineering

authors： Schulze C,Vogel D,Sander M,Bader R

更新日期：2019-01-01 00:00:00

abstract：:The aim of this study was to measure the cardiac output and stroke volume for a healthy subject by coupling an echocardiogram Doppler (echo-Doppler) method with a fluid-structure interaction (FSI) simulation at rest and during exercise. Blood flow through aortic valve was measured by Doppler flow echocardiography. Aor...

journal_title：Computer methods in biomechanics and biomedical engineering

authors： Bahraseman HG,Hassani K,Navidbakhsh M,Espino DM,Sani ZA,Fatouraee N

更新日期：2014-01-01 00:00:00

abstract：:The change in maximum total point motion (ΔMTPM) is used to predict long-term risk of tibial baseplate loosening, however, effects of registration error on ΔMTPM have not been quantified for marker-based and model-based radiostereometric analysis (RSA). Registration errors for marker-based and model-based RSA were app...

journal_title：Computer methods in biomechanics and biomedical engineering

authors： Niesen AE,Hull ML

更新日期：2021-01-05 00:00:00

abstract：:This work presents a biomechanical study of myringosclerosis (MS), an abnormal condition of the ear that produces calcification of the lamina propria of the eardrum. The study researched the transfer of sound to the stapes depending on the localization, dimension and calcification degree of the MS plaques. Results wer...

journal_title：Computer methods in biomechanics and biomedical engineering

authors： Berdich K,Gentil F,Parente M,Garbe C,Santos C,Paço J,Natal Jorge RM,Martins P,Faur N

更新日期：2016-02-01 00:00:00

abstract：:We present a one-dimensional (1D) fluid dynamic model that can predict blood flow and blood pressure during exercise using data collected at rest. To facilitate accurate prediction of blood flow, we developed an impedance boundary condition using morphologically derived structured trees. Our model was validated by com...

journal_title：Computer methods in biomechanics and biomedical engineering

authors： Steele BN,Olufsen MS,Taylor CA

更新日期：2007-02-01 00:00:00

abstract：:Understanding of cancellous bone permeability is lacking despite its importance in designing tissue engineering scaffolds for bone regeneration and orthopaedic surgery that relies on infiltration of bone cement into porous cancellous bone. We employed micro-computational fluid dynamics to investigate permeability for ...

journal_title：Computer methods in biomechanics and biomedical engineering

authors： Teo JC,Teoh SH

更新日期：2012-01-01 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：:Generation of finite element (FE) meshes of vertebrae from computed tomography (CT) scans is labour intensive due to their geometric complexity. As such, techniques that simplify creation of meshes of vertebrae are needed to make FE analysis feasible for large studies and clinical applications. Techniques to obtain a ...

journal_title：Computer methods in biomechanics and biomedical engineering

authors： Dai Y,Niebur GL

更新日期：2009-10-01 00:00:00

abstract：:In this review, we provide an overview of the simulation techniques employed for modelling the flow of red blood cells (RBCs) in blood plasma. The scope of this review omits the fluid modelling aspect while focusing on other key components in the RBC-plasma model such as (1) describing the RBC deformation with shell-b...

journal_title：Computer methods in biomechanics and biomedical engineering

authors： Ju M,Ye SS,Namgung B,Cho S,Low HT,Leo HL,Kim S

更新日期：2015-01-01 00:00:00

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：:An effective way to avoid invading or injuring the subjects is to use the musculoskeletal model when studying the dynamic properties of muscles in vivo. So, we put forward a joint coordinate system-based method, which mainly focuses on the coordinate's transformation of corresponding muscle attachment points, respecti...

journal_title：Computer methods in biomechanics and biomedical engineering

authors： Tang G,Zhang XA,Zhang LL,Wang HS,Nie WZ,Wang CT

更新日期：2011-07-01 00:00:00

abstract：:In this study, we developed an approach for prosthetic foot design incorporating motion analysis, mechanical testing and computer analysis. Using computer modeling and finite element analysis, a three-dimensional (3D), numerical foot model of the solid ankle cushioned heel (SACH) foot was constructed and analyzed base...

journal_title：Computer methods in biomechanics and biomedical engineering

authors： Saunders MM,Schwentker EP,Kay DB,Bennett G,Jacobs CR,Verstraete MC,Njus GO

更新日期：2003-02-01 00:00:00

abstract：:This paper is concerned with the qualitative and quantitative description of the constitutive behaviour of dental composites during the curing process. Both generalized Kelvin- and Maxwell-models are studied and the parameters characterizing these models are determined by the means of an identification procedure based...

journal_title：Computer methods in biomechanics and biomedical engineering

authors： Hübsch PF,Middleton J,Feilzer AJ

更新日期：1999-01-01 00:00:00

abstract：:This paper presents a procedure for characterising the mechanical properties of skin using stochastic inverse identification. It is based on the minimisation of a cost function relative to the comparison between experimental suction experiments and their corresponding finite element models. Two different models are co...

journal_title：Computer methods in biomechanics and biomedical engineering

authors： Delalleau A,Josse G,Lagarde JM

更新日期：2012-01-01 00:00:00

abstract：:In this study, the effects of medial collateral ligament (MCL) release and the limb correction strategies with pre-existing MCL laxity on tibiofemoral contact force distribution after high tibial osteotomy (HTO) were investigated. The medial and lateral contact forces of the knee were quantified during simulated stand...

journal_title：Computer methods in biomechanics and biomedical engineering

authors： Purevsuren T,Khuyagbaatar B,Kim K,Kim YH

更新日期：2019-02-01 00:00:00

abstract：:When designing any rehabilitation, sportswear or exoskeleton device the mechanical behaviour of the body segment must be known, specifically the skin, because an excessive tissue strain may lead to ulceration and bedsores. To date, it is not known if the kinematic variability between subjects have an effect on the ski...

journal_title：Computer methods in biomechanics and biomedical engineering

authors： Barrios-Muriel J,Romero Sánchez F,Alonso Sánchez FJ,Rodríguez Salgado D

更新日期：2019-11-01 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 multispiked connecting scaffold (MSC-scaffold) prototype is an essential innovation in the fixation of components of resurfacing arthroplasty (RA) endoprostheses, providing their entirely non-cemented and bone-tissue-preserving fixation in peri-articular bone. An FE study is proposed to evaluate the influence of g...

journal_title：Computer methods in biomechanics and biomedical engineering

authors： Uklejewski R,Winiecki M,Patalas A,Rogala P

更新日期：2018-07-01 00:00:00