abstract：:Heart rate variability (HRV) is a well-accepted indicator for neural regulatory mechanisms in cardiovascular circulation. Its spectrum analysis provides the powerful means of observing the modulation between sympathetic and parasympathetic nervous system. The timescale of HRV is limited by discrete beat-to-beat time i...

journal_title：Medical & biological engineering & computing

authors： Chang CC,Hsiao TC,Hsu HY

更新日期：2014-04-01 00:00:00

abstract：:This article presents a novel approach of edged and edgeless object-shape recognition and 3D reconstruction from gradient-based analysis of tactile images. We recognize an object's shape by visualizing a surface topology in our mind while grasping the object in our palm and also taking help from our past experience of...

journal_title：Medical & biological engineering & computing

authors： Khasnobish A,Singh G,Jati A,Konar A,Tibarewala DN

更新日期：2014-04-01 00:00:00

abstract：:Biomechanical models used to estimate joint loads often predict that antagonistic muscles are inactive or underestimate their contributions [3, 5]. This can result in systematic underestimation of muscle force predictions and joint contact forces. To test the feasibility of employing an empirical co-activation ratio t...

journal_title：Medical & biological engineering & computing

authors： Brookham RL,Dickerson CR

更新日期：2014-03-01 00:00:00

abstract：:Disturbed cerebrospinal fluid (CSF) dynamics are part of the pathophysiology of normal pressure hydrocephalus (NPH) and can be modified and treated with shunt surgery. This study investigated the contribution of established CSF dynamic parameters to AMP(mean), a prognostic variable defined as mean amplitude of cardiac...

journal_title：Medical & biological engineering & computing

authors： Qvarlander S,Malm J,Eklund A

更新日期：2014-01-01 00:00:00

abstract：:A method for accurately finding cardiac bidomain conductivity parameters is a crucial part of efforts to study and understand the electrical functioning of the heart. The bidomain model considers current flowing along (longitudinal) and across (transverse) sheets of cardiac fibres, as well as between these sheets (nor...

journal_title：Medical & biological engineering & computing

authors： Johnston BM,Johnston PR

更新日期：2013-12-01 00:00:00

abstract：:The purpose of this study is to verify the applicability of a sixth-order model to the mechanomyogram (MMG) system of the parallel-fibered muscle, which was identified from the MMG of the pennation muscle. The median nerve was stimulated, and an MMG and torque of the abductor pollicis brevis muscle were measured. The ...

journal_title：Medical & biological engineering & computing

authors： Uchiyama T,Sakai H

更新日期：2013-12-01 00:00:00

abstract：:Many successful models to describe the biomechanical characteristics of planar biological soft tissues are based on strain energy function. However, the parameters in these models are determined by biaxial extension test, which might be difficult to exercise for certain types of soft tissue. This study presents a new ...

journal_title：Medical & biological engineering & computing

authors： Li L,Qian X,Wang H,Hua L,Zhang H,Liu Z

更新日期：2013-10-01 00:00:00

abstract：:To study the effects of the geometrical characteristics of a framing coil on aneurysm thromboembolization efficacy, the hemodynamics in lateral aneurysms filled with coils having a different shape, orientation, and thickness were analyzed using computational fluid dynamics. The aneurysms packed with vortex and cage-sh...

journal_title：Medical & biological engineering & computing

authors： Jeong W,Han MH,Rhee K

更新日期：2013-09-01 00:00:00

abstract：:Musculoskeletal models have been developed to estimate internal loading on the human skeleton, which cannot directly be measured in vivo, from external measurements like kinematics and external forces. Such models of the shoulder and upper extremity have been used for a variety of purposes, ranging from understanding ...

journal_title：Medical & biological engineering & computing

authors： Bolsterlee B,Veeger DH,Chadwick EK

更新日期：2013-09-01 00:00:00

abstract：:A bicuspid aortic valve (BAV) is a congenital cardiac disorder where the valve consists of only two cusps instead of three, as in a normal tricuspid valve (TAV). Although 97 % of BAVs include asymmetric cusps, little or no prior studies have investigated the blood flow through a three-dimensional BAV and root. The aim...

journal_title：Medical & biological engineering & computing

authors： Marom G,Kim HS,Rosenfeld M,Raanani E,Haj-Ali R

更新日期：2013-08-01 00:00:00

abstract：:Quantitative sensory testing (QST) can provide useful information about the underlying mechanisms involved in chronic pain. However, currently available devices typically employed suffer from operator-dependent effects, or are too cumbersome for routine clinical care. This paper presents the design and initial validat...

journal_title：Medical & biological engineering & computing

authors： Harte SE,Mitra M,Ichesco EA,Halvorson ME,Clauw DJ,Shih AJ,Kruger GH

更新日期：2013-06-01 00:00:00

abstract：:In this paper, we proposed to utilize a novel spatio-spectral filter, common spatio-spectral pattern (CSSP), to improve the classification accuracy in identifying intended motions based on low-density surface electromyography (EMG). Five able-bodied subjects and a transradial amputee participated in an experiment of e...

journal_title：Medical & biological engineering & computing

authors： Huang G,Zhang Z,Zhang D,Zhu X

更新日期：2013-05-01 00:00:00

abstract：:In total hip arthroplasty, determining the impingement free range of motion requirement is a complex task. This is because in the native hip, motion is restricted by both impingement as well as soft tissue restraint. The aim of this study is to determine a range of motion benchmark which can identify motions which are...

journal_title：Medical & biological engineering & computing

authors： Turley GA,Williams MA,Wellings RM,Griffin DR

更新日期：2013-04-01 00:00:00

abstract：:Selective laser sintering (SLS) is a solid freeform fabrication technique, developed by Carl Deckard for his master's thesis at the University of Texas, patented in 1989. SLS manufacturing is a technique that produces physical models through a selective solidification of a variety of fine powders. SLS technology is ge...

journal_title：Medical & biological engineering & computing

authors： Mazzoli A

更新日期：2013-03-01 00:00:00

abstract：:In cranioplasty, neurosurgeons use bone grafts to repair skull defects. To ensure the protection of intracranial tissues and recover the original head shape for aesthetic purposes, a custom-made pre-fabricated prosthesis must match the cranial incision as closely as possible. In our previous study (Liao et al. in Med ...

journal_title：Medical & biological engineering & computing

authors： Liao YL,Lu CF,Wu CT,Lee JD,Lee ST,Sun YN,Wu YT

更新日期：2013-02-01 00:00:00

abstract：:Fluctuation analysis has great potential to contribute to pulmonary clinical science and practice. We evaluated the relationship between asthma and the respiratory impedance recurrence period density entropy (RPDEnZrs) and the variability (SDZrs). A non-invasive and simple protocol for assessing respiratory mechanics ...

journal_title：Medical & biological engineering & computing

authors： Veiga J,Lopes AJ,Jansen JM,Melo PL

更新日期：2012-12-01 00:00:00

abstract：:A biomechanical analysis of the constant peak displacement and constant peak force methods of cardiopulmonary resuscitation (CPR) has revealed that optimal CC performance strongly depends on back support stiffness, CC rate, and the thoracic stiffness of the patient being resuscitated. Clinically the results presented ...

journal_title：Medical & biological engineering & computing

authors： Dellimore KH,Scheffer C

更新日期：2012-12-01 00:00:00

abstract：:Trabecular bone has a complicated porous microstructure and consists of interconnected plates and rods known as trabeculae. The microarchitecture of the trabeculae contributes to load distribution capacity and, particularly, the optimal bone strength. Many previous studies have shown that morphological parameters are ...

journal_title：Medical & biological engineering & computing

authors： Basaruddin KS,Takano N,Yoshiwara Y,Nakano T

更新日期：2012-10-01 00:00:00

abstract：:The starting point of this paper is the analysis of the reference problem in intra-cerebral electroencephalographic (iEEG) recordings. It is well accepted that both surface and depth EEG signals are always recorded with respect to some unknown time-varying signal called reference. This article discusses different meth...

journal_title：Medical & biological engineering & computing

authors： Madhu N,Ranta R,Maillard L,Koessler L

更新日期：2012-10-01 00:00:00

abstract：:Spinal pattern generators (SPGs), which are neural networks without a central input from the brain may be responsible for controlling locomotion. In this study, we used neural oscillators to examine the rhythmic patterns generated at the ankle during walking. Seven healthy male subjects were requested to walk at their...

journal_title：Medical & biological engineering & computing

authors： Chong SY,Wagner H,Wulf A

更新日期：2012-09-01 00:00:00

abstract：:Induction coils were fabricated based on flexible printed circuit board for inductive transcutaneous power transmission. The coil had closed magnetic circuit (CMC) structure consisting of inner and outer magnetic core. The power transmission efficiency of the fabricated device was measured in the air and in vivo condi...

journal_title：Medical & biological engineering & computing

authors： Jo SE,Joung S,Suh JK,Kim YJ

更新日期：2012-09-01 00:00:00

abstract：:Gait disturbances are common in the rat model of Parkinson's disease (PD) by administrating 6-hydroxydopamine. However, few studies have simultaneously assessed spatiotemporal gait indices and the kinematic information of PD rats during overground locomotion. This study utilized a simple, accurate, and reproducible me...

journal_title：Medical & biological engineering & computing

authors： Lee HY,Hsieh TH,Liang JI,Yeh ML,Chen JJ

更新日期：2012-09-01 00:00:00

abstract：:While matrix remodeling plays a key role in vascular physiology and pathology, the underlying mechanisms have remained incompletely understood. We studied the remodeling of collagen matrices by individual vascular smooth muscle cells (SMCs), clusters and monolayers. In addition, we focused on the contribution of trans...

journal_title：Medical & biological engineering & computing

authors： van den Akker J,Tuna BG,Pistea A,Sleutel AJ,Bakker EN,van Bavel E

更新日期：2012-07-01 00:00:00

abstract：:Computer-based simulations of human hip joints generally include investigating contacts happening among soft or hard tissues during hip movement. In many cases, hip movement is approximated as rotation about an estimated hip center. In this paper, we investigate the effect of different methods used for estimating hip ...

journal_title：Medical & biological engineering & computing

authors： Arbabi E,Schmid J,Boulic R,Thalmann D,Magnenat-Thalmann N

更新日期：2012-06-01 00:00:00

abstract：:Blood oxygenation level is an important measure that can be used alongside functional magnetic resonance imaging data in order to obtain closer correlates of neuronal activation. A robust estimate of this measure has thus far not been demonstrated. This is mainly due to the lack of knowledge of the underlying paramete...

journal_title：Medical & biological engineering & computing

authors： Dagher J,Du YP

更新日期：2012-05-01 00:00:00

abstract：:This study is based on the hypothesis that the pressure within the arterial network can be usefully decomposed as the sum of a reservoir pressure and an excess pressure. The reservoir pressure waveform is defined to be the same in each vessel but delayed by the wave travel time from the root of the aorta. Using calcul...

journal_title：Medical & biological engineering & computing

authors： Parker KH,Alastruey J,Stan GB

更新日期：2012-04-01 00:00:00

abstract：:Greater trochanter (GT) stabilization techniques following a fracture or an osteotomy are still showing high levels of postoperative complications. Understanding the effect of femoral neck cut placement, cable tension and muscles forces on GT fragment displacements could help surgeons optimize their techniques. A 3D f...

journal_title：Medical & biological engineering & computing

authors： Petit Y,Cloutier LP,Duke K,Laflamme GY

更新日期：2012-04-01 00:00:00

abstract：:The diagnosis of sleep-disordered breathing (SDB) usually relies on the analysis of complex polysomnographic measurements performed in specialized sleep centers. Automatic signal analysis is a promising approach to reduce the diagnostic effort. This paper addresses SDB and sleep assessment solely based on the analysis...

journal_title：Medical & biological engineering & computing

authors： Kesper K,Canisius S,Penzel T,Ploch T,Cassel W

更新日期：2012-02-01 00:00:00

abstract：:There is a lack of information regarding the forces required for suturing human wounds. The knowledge of suturing forces serves as complementary information for setting up the limiting geometry when using tissue adhesives and it might also be used in robot-assisted surgery. The main purpose of this paper was to evalua...

journal_title：Medical & biological engineering & computing

authors： Capek L,Jacquet E,Dzan L,Simunek A

更新日期：2012-02-01 00:00:00

abstract：:The Delft Shoulder and Elbow Model (DSEM), a musculoskeletal model of the shoulder and elbow has been extensively developed since its introduction in 1994. Extensions cover both model structures and anatomical data focusing on the addition of an elbow part and muscle architecture parameters. The model was also extende...

journal_title：Medical & biological engineering & computing

authors： Nikooyan AA,Veeger HE,Chadwick EK,Praagman M,Helm FC

更新日期：2011-12-01 00:00:00

abstract：:This article compares the determination of body fat-free-mass (FFM) by impedance, using either hand-to-foot resistance (R₁₃) or foot-to-foot one (R₃₄) from comparison with dual X-ray absorptiometry (DXA) measurements in a normal population. The first goal was to see if the foot-to-foot resistance used in body fat anal...

journal_title：Medical & biological engineering & computing

authors： Bousbiat S,Jaffrin MY,Dongmo E

更新日期：2011-11-01 00:00:00

abstract：:Self-generated mobility is a major contributor to the physical, emotional, cognitive, and social development of infants and toddlers. When young children have disorders that hinder self locomotion, their development is at risk for delay. Independent mobility via traditional power mobility devices may prevent this dela...

journal_title：Medical & biological engineering & computing

authors： Schoepflin ZR,Chen X,Ragonesi CB,Galloway JC,Agrawal SK

更新日期：2011-10-01 00:00:00

abstract：:The vagus nerves convey both afferent and efferent information about autonomic activity related to cardiovascular functions. Those functions have been shown to change due to epileptic seizures, which suggests that ictal events might be detected via the vagus electroneurogram (VENG). In this study, we characterize the ...

journal_title：Medical & biological engineering & computing

authors： Harreby KR,Sevcencu C,Struijk JJ

更新日期：2011-09-01 00:00:00

abstract：:Cardiac resynchronization therapy (CRT) with biventricular pacing (BV) is an established therapy for heart failure (HF) patients with inter- and intraventricular conduction delay. The aim of this pilot study was to test the feasibility of both transesophageal measurement of left ventricular (LV) electrical delay and t...

journal_title：Medical & biological engineering & computing

authors： Heinke M,Ismer B,Kühnert H,Figulla HR

更新日期：2011-08-01 00:00:00

abstract：:In the PREVENIR-5 study, artificial neural networks (NN) were applied to a large sample of patients with recent first acute coronary syndrome (ACS) to identify determinants of persistence of evidence-based cardiovascular medications (EBCM: antithrombotic + beta-blocker + statin + angiotensin converting enzyme inhibito...

journal_title：Medical & biological engineering & computing

authors： Bourdès V,Ferrières J,Amar J,Amelineau E,Bonnevay S,Berlion M,Danchin N

更新日期：2011-08-01 00:00:00

abstract：:Results of self-consistent analyses of cells show the possibility of temperature increases at membranes in response to a single nanosecond, high-voltage pulse, at least over small sections of the membrane. Molecular Dynamics simulations indicate that such a temperature increase could facilitate poration, which is one ...

journal_title：Medical & biological engineering & computing

authors： Song J,Joshi RP,Schoenbach KH

更新日期：2011-06-01 00:00:00

abstract：:To describe the spatial and temporal profiles of connectivity networks and sources preceding generalized spike-and-wave discharges (SWDs) in human absence epilepsy. Nonlinear associations of MEG signals and cluster indices obtained within the framework of graph theory were determined, while source localization in the ...

journal_title：Medical & biological engineering & computing

authors： Gupta D,Ossenblok P,van Luijtelaar G

更新日期：2011-05-01 00:00:00

abstract：:Spinal cord injury patients are under daily risk for developing deep tissue injury which is a severe pressure ulcer that initiates in soft tissues at the bones' proximity. We aimed to formulate a patient-specific biomechanical model that can continuously monitor internal tissue stresses in real time. We adopted a form...

journal_title：Medical & biological engineering & computing

authors： Portnoy S,Vuillerme N,Payan Y,Gefen A

更新日期：2011-04-01 00:00:00

abstract：:Aortic stiffness measurement is well recognized as an independent predictor of cardiovascular mortality and morbidity. Recently, a simple method has been proposed for the evaluation of the local aortic stiffness (AoStiff) using a non-invasive bioelectrical impedance (BI) technique. This approach relies on a novel inte...

journal_title：Medical & biological engineering & computing

authors： Collette M,Lalande A,Willoteaux S,Leftheriotis G,Humeau A

更新日期：2011-04-01 00:00:00

abstract：:Axial head rotation prior to low speed automotive rear impacts has been clinically identified to increase morbidity and symptom duration. The present study was conducted to determine the effect of axial head rotation on facet joint capsule strains during simulated rear impacts. The study was conducted using a validate...

journal_title：Medical & biological engineering & computing

authors： Storvik SG,Stemper BD

更新日期：2011-02-01 00:00:00