Mechanical variables affecting balloon kyphoplasty outcome--a finite element study.

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：:Electrocardiogram (ECG) signals are difficult to interpret, and clinicians must undertake a long training process to learn to diagnose diabetes from subtle abnormalities in these signals. To facilitate these diagnoses, we have developed a technique based on the heart rate variability signal obtained from ECG signals. ...

journal_title：Computer methods in biomechanics and biomedical engineering

authors： Acharya UR,Faust O,Sree SV,Ghista DN,Dua S,Joseph P,Ahamed VI,Janarthanan N,Tamura T

更新日期：2013-01-01 00:00:00

abstract：:The magnitude and distribution of bone and muscle mass within limbs affect limb inertial properties, maximum movement speed and the energy required to maintain submaximal movements. Musculoskeletal modeling and movement simulations were used to determine how changes in bone and muscle cross-sectional area (and thus ma...

journal_title：Computer methods in biomechanics and biomedical engineering

authors： Dellanini L,Hawkins D,Martin B,Stover S

更新日期：2004-06-01 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：:In almost all finite element (FE) studies in dentistry, virtual forces are applied directly to dentures. The purpose of this study was to develop a FE model with non-linear contact simulation using an antagonist as force transmitter and to compare this with a similar model that uses direct force transmission. Furtherm...

journal_title：Computer methods in biomechanics and biomedical engineering

authors： Rand A,Stiesch M,Eisenburger M,Greuling A

更新日期：2017-08-01 00:00:00

abstract：:The display of three-dimensional angiograms can benefit from the knowledge of quantitative shape features such as tangent and curvature of the centerline of vessels. These can be obtained from a curve-like skeleton representation. If connectivity and topology are preserved, and if geometrical constraints such as smoot...

journal_title：Computer methods in biomechanics and biomedical engineering

authors： Yi D,Hayward V

更新日期：2002-10-01 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：:Cell migration relies on traction forces in order to propel a cell. Several computational models have been developed that help explain the trajectory that cells take during migration, but little attention has been placed on traction forces during this process. Here, we investigated the spatiotemporal dynamics of cell ...

journal_title：Computer methods in biomechanics and biomedical engineering

authors： Han SJ,Sniadecki NJ

更新日期：2011-05-01 00:00:00

abstract：:Osteoporosis (OP) is common with advancing age. Several studies have shown a strong correlation between OP and otosclerosis. However, no studies have investigated OP of the malleus, incus or stapes in the human middle ear, its effect on middle ear transfer function. Here, we investigate whether these three ossicles de...

journal_title：Computer methods in biomechanics and biomedical engineering

authors： Zhou L,Shen N,Feng M,Liu H,Duan M,Huang X

更新日期：2019-10-01 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：OBJECTIVES:The purpose of this study is to develop a validated 3D finite element model of the pelvic floor system which can offer insights into the mechanics of anterior vaginal wall prolapse and have the ability to assess biomedical device treatment methods. The finite element results should accurately mimic the clini...

journal_title：Computer methods in biomechanics and biomedical engineering

authors： Yang Z,Hayes J,Krishnamurty S,Grosse IR

更新日期：2016-12-01 00:00:00

abstract：:It is challenging to measure the finger's kinematics of underlying bones in vivo. This paper presents a new method of finger kinematics measurement, using a geometric finger model and several markers deliberately stuck on skin surface. Using a multiple-view camera system, the optimal motion parameters of finger model ...

journal_title：Computer methods in biomechanics and biomedical engineering

authors： Chang CW,Kuo LC,Jou IM,Su FC,Sun YN

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：:Haemodynamics is believed to play an important role in the initiation, growth and rupture of intracranial aneurysms. In this context, computational haemodynamics has been extensively used in an effort to establish correlations between flow variables and clinical outcome. It is common practice in the application of Dir...

journal_title：Computer methods in biomechanics and biomedical engineering

authors： Marzo A,Singh P,Reymond P,Stergiopulos N,Patel U,Hose R

更新日期：2009-08-01 00:00:00

abstract：:The aim of this paper is to use a poroviscohyperelastic (PVHE) model, which is developed based on the porohyperelastic (PHE) model to explore the mechanical deformation properties of single chondrocytes. Both creep and relaxation responses are investigated by using finite element analysis models of micropipette aspira...

journal_title：Computer methods in biomechanics and biomedical engineering

authors： Nguyen TD,Oloyede A,Gu Y

更新日期：2016-01-01 00:00:00

abstract：:This paper is motivated by recent experimental research (Tang-Schomer et al. 2012) on the formation of periodic varicosities in axons after traumatic brain injury (TBI). TBI leads to the formation of undulated distortions in the axons due to their dynamic deformation. These distortions result in the breakage of some m...

journal_title：Computer methods in biomechanics and biomedical engineering

authors： Kuznetsov IA,Kuznetsov AV

更新日期：2015-01-01 00:00:00

abstract：:This paper analyses the mechanical behaviour of a new reinforced anatomical post-systems (RAPS) for endodontic restoration. The composite restorative material (CRM) completely fills the root canal (as do the commonly used cast metal posts) and multiple prefabricated composite posts (PCPs) are employed as reinforcement...

journal_title：Computer methods in biomechanics and biomedical engineering

authors： Maceri F,Martignoni M,Vairo G

更新日期：2009-02-01 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：:In this paper, we introduce a new general method for kinematic analysis of rigid multi body systems subject to holonomic constraints. The method extends the standard analysis of kinematically determinate rigid multi body systems to the over-determinate case. This is accomplished by introducing a constrained optimisati...

journal_title：Computer methods in biomechanics and biomedical engineering

authors： Andersen MS,Damsgaard M,Rasmussen J

更新日期：2009-08-01 00:00:00

abstract：:The purpose of this study was to create and validate a standardized framework for the evaluation of the ankle stiffness of two designs of 3D printed ankle foot orthoses (AFOs). The creation of four finite element (FE) models allowed patient-specific quantification of the stiffness and stress distribution over their sp...

journal_title：Computer methods in biomechanics and biomedical engineering

authors： Ielapi A,Lammens N,Van Paepegem W,Forward M,Deckers JP,Vermandel M,De Beule M

更新日期：2019-06-01 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：: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：:Since the discovery of X-rays, medical imaging has played a major role in the guidance of surgical procedures. While medical imaging began with simple X-ray plates to indicate the presence of foreign objects within the human body, the advent of the computer has been a major factor in the recent development of this fie...

journal_title：Computer methods in biomechanics and biomedical engineering

authors： Peters TM

更新日期：2000-01-01 00:00:00

abstract：:Ageing influences gait patterns which in turn can affect the balance control of human locomotion. Entropy-based regularity and complexity measures have been highly effective in analysing a broad range of physiological signals. Minimum toe clearance (MTC) is an event during the swing phase of the gait cycle and is high...

journal_title：Computer methods in biomechanics and biomedical engineering

authors： Karmakar C,Khandoker A,Begg R,Palaniswami M

更新日期：2013-01-01 00:00:00

abstract：:This study deals with recent researches undertaken by the authors in the field of hydrodynamics of human swimming. The aim of this numerical study was to investigate the flow around the entire swimmer's body. The results presented in this article focus on the combination of a 3D computational fluid dynamics code and t...

journal_title：Computer methods in biomechanics and biomedical engineering

authors： Popa CV,Arfaoui A,Fohanno S,Taïar R,Polidori G

更新日期：2014-01-01 00:00:00

abstract：:Marker-based motion capture presents the problem of gaps, which are traditionally processed using motion capture software, requiring intensive manual input. We propose and study an automated method of gap-filling that uses inverse kinematics (IK) to close the loop of an iterative process to minimize error, while nearl...

journal_title：Computer methods in biomechanics and biomedical engineering

authors： Camargo J,Ramanathan A,Csomay-Shanklin N,Young A

更新日期：2020-11-01 00:00:00

abstract：:A parametric investigation was conducted to determine the effects on the load estimation method of varying: (1) the thickness of back-plates used in the two-dimensional finite element models of long bones, (2) the number of columns of nodes in the outer medial and lateral sections of the diaphysis to which the back-pl...

journal_title：Computer methods in biomechanics and biomedical engineering

authors： Bona MA,Martin LD,Fischer KJ

更新日期：2006-08-01 00:00:00

abstract：:Oral cancer surgery has a negative influence on the quality of life (QOL). As a result of the complex physiology involved in oral functions, estimation of surgical effects on functionality remains difficult. We present a user-friendly biomechanical simulation of tongue surgery, including closure with suturing and scar...

journal_title：Computer methods in biomechanics and biomedical engineering

authors： Kappert KDR,van Alphen MJA,van Dijk S,Smeele LE,Balm AJM,van der Heijden F

更新日期：2019-06-01 00:00:00

abstract：:The labrum contributes to passive glenohumeral joint stability. Cadaveric studies have demonstrated that this has position and load dependency, which has not been quantified under physiological loads. This study aims to validate subject-specific finite element (FE) models against in vitro measurements of joint stabili...

journal_title：Computer methods in biomechanics and biomedical engineering

authors： Klemt C,Nolte D,Grigoriadis G,Di Federico E,Reilly P,Bull AMJ

更新日期：2017-11-01 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