Industrial wideband noise reduction for hearing aids using a headset with adaptive-feedback active noise cancellation.

abstract：:The regulation of the coronary circulation is a complex paradigm in which many inputs that influence vasomotor tone have to be integrated to provide the coronary vasomotor adjustments to cardiac metabolism and to perfusion pressure. We hypothesized that the integration of many disparate signals that influence membrane...

journal_title：Medical & biological engineering & computing

authors： Trzeciakowski J,Chilian WM

更新日期：2008-05-01 00:00:00

abstract：:The problem of excess cerebrospinal fluid in the brain (hydrocephalus) is generally managed using a passive pressure or flow regulated mechanical shunt. Despite the success of such devices, they have been plagued with a number of problems. It is desirable to have a shunt valve that responds dynamically to the changing...

journal_title：Medical & biological engineering & computing

authors： Momani L,Al-Nuaimy W,Al-Jumaily M,Mallucci C

更新日期：2011-01-01 00:00:00

abstract：:Soleus muscle flap as coverage tissue is a possible surgical solution adopted to cover the wounds due to open fractures. Despite this procedure presents many clinical advantages, relatively poor information is available about the loss of functionality of triceps surae of the treated leg. In this study, a group of pati...

journal_title：Medical & biological engineering & computing

authors： Ferracuti F,Fioretti S,Frontoni E,Iarlori S,Mengarelli A,Riccio M,Romeo L,Verdini F

更新日期：2021-01-01 00:00:00

abstract：:The accelerometer is used for mechanomyogram (MMG) recordings of muscle contractions. Although the mechanical characteristics of other MMG transducers have been determined with reference to the accelerometer, mechanical aspects of the accelerometer itself, including the weight of the transducer, have not been verified...

journal_title：Medical & biological engineering & computing

authors： Watakabe M,Mita K,Akataki K,Ito K

更新日期：2003-03-01 00:00:00

abstract：:A method for the estimation of medium rate transitions of non-stationary electroencephalograms (EEG) is proposed. The method is applicable to such EEG dynamics that are between (a) fast transitions for which segmentation procedures are used and (b) slow transitions for which adaptive filters work properly. The estimat...

journal_title：Medical & biological engineering & computing

authors： Hiltunen JK,Karjalainen PA,Partanen J,Kaipio JP

更新日期：1999-05-01 00:00:00

abstract：:Due to its capabilities in analysing injury risk, the ability to analyse an athlete's ground reaction force and joint moments is of high interest in sports biomechanics. However, using force plates for the kinetic measurements influences the athlete's performance. Therefore, this study aims to use a feed-forward neura...

journal_title：Medical & biological engineering & computing

authors： Mundt M,David S,Koeppe A,Bamer F,Markert B,Potthast W

更新日期：2019-08-01 00:00:00

abstract：:A three-element cardiac muscle fibre model, utilising Huxley's sliding filament theory for the contractile element and coupled with parallel and series elastic components, was simulated to see if it were possible to predict the cardiac Fenn effect. The force/length energy (FLE) was computed in both isometric and isoto...

journal_title：Medical & biological engineering & computing

authors： Taylor TW,Goto Y,Suga H

更新日期：1993-07-01 00:00:00

abstract：:A computer controlled mechanical lung model has been developed for testing lung function equipment, validation of computer programs and simulation of impaired pulmonary mechanics. The construction, function and some applications are described. The physical model is constructed from two bellows and a pipe system repres...

journal_title：Medical & biological engineering & computing

authors： Verbraak AF,Beneken JE,Bogaard JM,Versprille A

更新日期：1995-11-01 00:00:00

abstract：:Many studies concerning the internal work of human motion have used two-dimensional kinematic models to estimate kinetic energy of the segments. The generalised co-ordinate concept has been applied here to a simultaneous and bilateral gait analysis. A three-dimensional kinematic model based on quaternions has been dev...

journal_title：Medical & biological engineering & computing

authors： Aissaoui R,Allard P,Junqua A,Frossard L,Duhaime M

更新日期：1996-11-01 00:00:00

abstract：:It is of great importance to effectively process and interpret surface electromyogram (sEMG) signals to actuate a robotic and prosthetic exoskeleton hand needed by hand amputees. In this paper, we have proposed a cepstrum analysis-based method for classification of basic hand movement sEMG signals. Cepstral analysis t...

journal_title：Medical & biological engineering & computing

authors： Yavuz E,Eyupoglu C

更新日期：2019-10-01 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：:To explore the promising therapeutic applications of short nanosecond electric pulses, in vitro and in vivo experiments are highly required. In this paper, an exposure system based on monopole patch antenna is reported to perform in vivo experiments on newborn mice with both monopolar and bipolar nanosecond signals. A...

journal_title：Medical & biological engineering & computing

authors： Merla C,Apollonio F,Paffi A,Marino C,Vernier PT,Liberti M

更新日期：2017-07-01 00:00:00

abstract：:A hydrodynamic model for the part of the human arterial network below the renal arteries has been constructed using specially fabricated distensible tubes and a pulsatile pump to simulate an aortoiliac bypass. The experiments and the computer model indicated that no 'steal' occurred due to the insertion of the bypass ...

journal_title：Medical & biological engineering & computing

authors： Helal MA,Watts KC,Marble AE

更新日期：1993-11-01 00:00:00

abstract：:An eye pointer was developed as a new line-of-sight displacement analyser. It analyses an observer's eye movements and superimposes their line of vision on a TV image which is the same as their view. A newly developed miniature colour field camera and very compact eye-movement sensors are attached to a translucent rei...

journal_title：Medical & biological engineering & computing

authors： Yamada M,Fukuda T,Hirota M

更新日期：1990-07-01 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：:Time-varying filtering techniques are applied to the problem of baseline correction by letting the cut-off frequency of a linear filter be controlled by the low-frequency properties of the ECG signal. The time-varying filter is implemented as a bank of linear low-pass filters, in which each filter has a slightly diffe...

journal_title：Medical & biological engineering & computing

authors： Sörnmo L

更新日期：1993-09-01 00:00:00

abstract：:It is proposed that myo-electric signals can be used to augment conventional speech-recognition systems to improve their performance under acoustically noisy conditions (e.g. in an aircraft cockpit). A preliminary study is performed to ascertain the presence of speech information within myo-electric signals from facia...

journal_title：Medical & biological engineering & computing

authors： Chan AD,Englehart K,Hudgins B,Lovely DF

更新日期：2001-07-01 00:00:00

abstract：:In this study, we present finite element analysis models to calculate the increase in intrathoracic volume of pectus excavatum patients after the Nuss procedure. One virtue of our approach is that the measurement of the intrathoracic volume has no time difference and is not affected by postoperative pain, which cannot...

journal_title：Medical & biological engineering & computing

authors： Chang PY,Hsu ZY,Lai JY,Wang CJ,Ching YT

更新日期：2010-02-01 00:00:00

abstract：:The purpose of the present study is to analyze the prognostic factors of acute leukemia and to construct a decision model based on a causal relationship between the factors of this disease to assist medical specialists. In medical decisions, to reach effective, quick, and reliable results, there is a need for a simple...

journal_title：Medical & biological engineering & computing

authors： Jahangoshai Rezaee M,Sadatpour M,Ghanbari-Ghoushchi N,Fathi E,Alizadeh A

更新日期：2020-11-01 00:00:00

abstract：:Implantable cardioverter defibrillators (ICDs) can store intracardiac electrograms (EGMs) in sinus rhythm (SR), at the onset of spontaneous ventricular tachyarrhythmias (VT) or during their course. This allows the investigation of unknown features of the heart electrical activity associated with different cardiac rhyt...

journal_title：Medical & biological engineering & computing

authors： Casaleggio A,Rossi P,Faini A,Guidotto T,Malavasi V,Musso G,Sartori G

更新日期：2006-03-01 00:00:00

abstract：:Electrocardiogram (ECG)-triggered laser Doppler perfusion monitoring (LDPM) was used to assess myocardial perfusion, with minimum myocardial tissue motion influence, during coronary artery bypass grafting (CABG). Thirteen subjects were investigated at six phases: pre- and post-CABG; post aorta cross-clamping; pre and ...

journal_title：Medical & biological engineering & computing

authors： Karlsson MG,Fors C,Wårdell K,Casimir-Ahn H

更新日期：2005-09-01 00:00:00

abstract：:The Pennes bioheat equation and finite element method (FEM) are used to solve for the temperature distributions in the spinal cord and cerebrospinal fluid (CSF) during 30 min of cooling for spinal cord injury (SCI) patients. The average CSF and spinal cord temperatures are reduced by 3.48 and 2.72 degrees C, respectiv...

journal_title：Medical & biological engineering & computing

authors： Smith KD,Zhu L

更新日期：2010-02-01 00:00:00

abstract：:Left ventricular assist device (LVAD) support unloads left ventricular (LV) pressure and volume and decreases wall stress. This study investigated the effect of systematic LVAD unloading on the 3-dimensional myocardial wall stress by employing finite element models containing layered fiber structure, active contractil...

journal_title：Medical & biological engineering & computing

authors： Jhun CS,Sun K,Cysyk JP

更新日期：2014-12-01 00:00:00

abstract：:A computer-aided method was developed to automatically localize tumors in lung PET images of discrete bins within the breathing cycle, followed by an algorithm that registers all the information of a complete respiratory cycle into a single reference bin. Four registration/integration algorithms: Centroid Based, Inten...

journal_title：Medical & biological engineering & computing

authors： Wang J,del Valle M,Goryawala M,Franquiz JM,McGoron AJ

更新日期：2010-01-01 00:00:00

abstract：:Calcific aortic valve disease (CAVD) is characterized by calcification accumulation and thickening of the aortic valve cusps, leading to stenosis. The importance of fluid flow shear stress in the initiation and regulation of CAVD progression is well known and has been studied recently using fluid-structure interaction...

journal_title：Medical & biological engineering & computing

authors： Halevi R,Hamdan A,Marom G,Lavon K,Ben-Zekry S,Raanani E,Bluestein D,Haj-Ali R

更新日期：2016-11-01 00:00:00

abstract：:Cerebral autoregulation controls cerebral blood flow under changing cerebral perfusion pressure. Standards for measurement and analysis of dynamic cerebral autoregulation (dCA) are lacking. In this study, dCA reproducibility, quantified by intraclass correlation coefficient, is evaluated for different methodological a...

journal_title：Medical & biological engineering & computing

authors： Gommer ED,Shijaku E,Mess WH,Reulen JP

更新日期：2010-12-01 00:00:00

abstract：:Long periods of bed rest negatively affect the human body organs, notably the cardiovascular system. To avert these negative effects and promote functional recovery in patients dealing with prolonged bed rest, the goal is to mobilize them as early as possible while controlling and stabilizing their cardiovascular syst...

journal_title：Medical & biological engineering & computing

authors： Sarabadani Tafreshi A,Okle J,Klamroth-Marganska V,Riener R

更新日期：2017-09-01 00:00:00

abstract：:In this study, we propose an integrated tooth segmentation and gingival tissue deformation simulation framework used to design and evaluate the orthodontic treatment plan especially with invisible aligners. Firstly, the bio-characteristics information of the digital impression is analyzed quantitatively and demonstrat...

journal_title：Medical & biological engineering & computing

authors： Yuan T,Wang Y,Hou Z,Wang J

更新日期：2020-10-01 00:00:00

abstract：:A novel laser Doppler flowmetry scheme is reported that adjusts the processing bandwidth adaptively to optimise the estimation of flow. To obtain an adequate processing bandwidth, the Doppler spectra is first fitted to the Lorentzian function, and the bandwidth at half the maximum of the Lorentzian function is used as...

journal_title：Medical & biological engineering & computing

authors： Chen YY,Lin YH,Jan IC,Liu RS,Chou NK,Jan GJ

更新日期：2004-05-01 00:00:00

abstract：:This article presents a stimulation control method using a uniaxial gyroscope measuring angular velocity of the shank in the sagittal plane, to control functional electrical stimulation of the triceps surae to improve push-off of stroke subjects during gait. The algorithm is triggered during each swing phase of gait w...

journal_title：Medical & biological engineering & computing

authors： Monaghan CC,van Riel WJ,Veltink PH

更新日期：2009-11-01 00:00:00