Generation of dynamic random-element stereograms in real time with a system based on a personal computer.

abstract：:Instrumentation to measure accurately the stresses at the interface of a residual limb and prosthetic socket has a strong potential for use in prosthetic treatment. As a tool in the clinical setting, the device would allow a clinician to identify sites of excessive loading, information which could then be combined wit...

journal_title：Medical & biological engineering & computing

authors： Sanders JE

更新日期：1995-07-01 00:00:00

abstract：:Conventional methods of electrobioimpedance imaging are not suited for adequate visualization of the skin electrical impedance landscape (SEL) because they do not provide high spatial resolution at large enough area of view. The skin electrodynamics introscopy (SEI) enabled dynamic spectral imaging of the SEL at 32 × ...

journal_title：Medical & biological engineering & computing

authors： Babich Y,Nuzhdina M,Syniuta S

更新日期：2018-02-01 00:00:00

abstract：:The mechanism of brain contusion has been investigated using a series of three-dimensional (3D) finite element analyses. A head injury model was used to simulate forward and backward rotation around the upper cervical vertebra. Intracranial pressure and shear stress responses were calculated and compared. The results ...

journal_title：Medical & biological engineering & computing

authors： Huang HM,Lee MC,Lee SY,Chiu WT,Pan LC,Chen CT

更新日期：2000-05-01 00:00:00

abstract：:Currently, simulations of the induced currents in the brain produced by transcranial magnetic stimulation (TMS) are used to elucidate the regions reached by stimuli. However, models commonly found in the literature are too general and neglect imperfections in the windings. Aiming to predict the stimulation sites in pa...

journal_title：Medical & biological engineering & computing

authors： Mancino AV,Milano FE,Bertuzzi FM,Yampolsky CG,Ritacco LE,Risk MR

更新日期：2020-07-01 00:00:00

abstract：:Pre-operative diagnosis of chest-wall deformity is important for successful surgical correction and post-operative evaluation of funnel chest patients. However, conventional indices that define the severity of deformity have several limitations; manually calculated and cannot supply information about asymmetry. We dev...

journal_title：Medical & biological engineering & computing

authors： Kim HC,Park HJ,Ham SY,Nam KW,Choi SY,Oh JS,Choi H,Jeong GS,Park SW,Kim MG,Sun K

更新日期：2008-08-01 00:00:00

abstract：:A multichannel biopotential amplifier for simultaneous use with biomagnetic measurements in a magnetically shielded room is designed and evaluated. Particular care is taken to make the amplifier electromagnetically compatible with the biomagnetic instruments over the whole frequency spectrum, from DC to RF. The electr...

journal_title：Medical & biological engineering & computing

authors： Virtanen J,Parkkonen L,Ilmoniemi RJ,Pekkonen E,Näätänen R

更新日期：1997-07-01 00:00:00

abstract：:The paper describes the application of new semi-automatic segmentation software to the task of detection of anatomical structures and lesion and their three-dimensional (3D) visualisation in 23 patients with secondary progressive multiple sclerosis (MS). The purpose is to study the correlation between magnetic resonan...

journal_title：Medical & biological engineering & computing

authors： Dastidar P,Heinonen T,Vahvelainen T,Elovaara I,Eskola H

更新日期：1999-01-01 00:00:00

abstract：:A hypothetical neuromusculoskeletal model is developed to simulate human normal walking and its modulated behaviors. A small set of neural periodic patterns drive spinal muscle synergies which in turn lead to specific pattern of muscle activation and supraspinal feedback systems maintain postural balance during walkin...

journal_title：Medical & biological engineering & computing

authors： Jo S

更新日期：2008-02-01 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：:In a previous paper we demonstrated that the linear portion of the pressure-velocity loop (PU-loop) corresponding to early systole could be used to calculate the local wave speed. In this paper we extend this work to show that determination of the time at which the PU-loop first deviates from linearity provides a conv...

journal_title：Medical & biological engineering & computing

authors： Khir AW,Swalen MJ,Feng J,Parker KH

更新日期：2007-12-01 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：:The lactate threshold is used by athletes to optimise the intensity during exercise. It is of interest to measure the threshold on the very day and during the present sport activity. Steady state ergometer tests have been performed on 40 individuals to compare the threshold found by an electro acoustic sensor system t...

journal_title：Medical & biological engineering & computing

authors： Folke M

更新日期：2008-09-01 00:00:00

abstract：:It is clinically well-established that minimally invasive subcutaneous continuous glucose monitoring (CGM) sensors can significantly improve diabetes treatment. However, CGM readings are still not as reliable as those provided by standard fingerprick blood glucose (BG) meters. In addition to unavoidable random measure...

journal_title：Medical & biological engineering & computing

authors： Facchinetti A,Del Favero S,Sparacino G,Cobelli C

更新日期：2015-12-01 00:00:00

abstract：:The aim of the study was to assess the wavelength dependence of the UV absorbance during monitoring of different compounds in the dialysate. UV absorbance was determined by using a double-beam spectrophotometer on dialysate samples taken at pre-determined times during dialysis, over a wavelength range of 180-380 nm. C...

journal_title：Medical & biological engineering & computing

authors： Fridolin I,Lindberg LG

更新日期：2003-05-01 00:00:00

abstract：:A previously proposed finite element model that considers geometric and material nonlinearities and the free boundary problems that occur at the catheter tip and in the annular zone around the lateral surface of the catheter was revised and was used to fit a power-law formula to predict backflow length during infusion...

journal_title：Medical & biological engineering & computing

authors： Orozco GA,Smith JH,García JJ

更新日期：2014-10-01 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：: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：:When the rib cage and abdomen are compressed during cardiopulmonary resuscitation (CPR), the effect on intrathoracic pressure, and therefore on haemodynamics, cannot be quantitatively predicted without a physiologically based mathematical model of chest wall dynamics. Using such a model, we compared model simulations ...

journal_title：Medical & biological engineering & computing

authors： Ben-Haim SA,Shofti R,Dinnar U,Saidel GM

更新日期：1990-01-01 00:00:00

abstract：:Uniaxial stress-strain data were obtained from in vitro experiments on 20 porcine livers for compressions, elongations and cycles of compression and then elongation. There were about 70 cylindrical samples, with diameter 7mm and varying height (4-11 mm). The combined compression and elongation test provide a unified f...

journal_title：Medical & biological engineering & computing

authors： Chui C,Kobayashi E,Chen X,Hisada T,Sakuma I

更新日期：2004-11-01 00:00:00

abstract：:Loop-mediated isothermal amplification or LAMP has been identified to be an efficient technology for point-of-care diagnostics. Paper-based LAMP technique has tremendous potential in replacing the existing tube-based technology as the manufacturing cost of a paper-based device is comparatively lower and easy-to-use. L...

journal_title：Medical & biological engineering & computing

authors： Das D,Panigrahi PK

更新日期：2020-02-01 00:00:00

abstract：:Stroke survivors are more prone to developing cognitive impairment and dementia. Dementia detection is a challenge for supporting personalized healthcare. This study analyzes the electroencephalogram (EEG) background activity of 5 vascular dementia (VaD) patients, 15 stroke-related patients with mild cognitive impairm...

journal_title：Medical & biological engineering & computing

authors： Al-Qazzaz NK,Ali SHBM,Ahmad SA,Islam MS,Escudero J

更新日期：2018-01-01 00:00:00

abstract：:A system, to collect, analyse and display biological data, is developed using IBM PC AT compatibles (PCs) or CED1401/1609 devices networked to a VAX environment. It can be operated in three separate modes: using the CED/IEEE/VAX network; using the PC/Ethernet/VAX network; as a standalone PC. The original system compri...

journal_title：Medical & biological engineering & computing

authors： Marlow SP,Mackenzie DA,Tomlinson JB

更新日期：1993-01-01 00:00:00

abstract：:Breast cancer is the most common cancer among women globally, and the number of young women diagnosed with this disease is gradually increasing over the years. Mammography is the current gold-standard technique although it is known to be less sensitive in detecting tumors in woman with dense breast tissue. Detecting a...

journal_title：Medical & biological engineering & computing

authors： Wahab AA,Salim MI,Ahamat MA,Manaf NA,Yunus J,Lai KW

更新日期：2016-09-01 00:00:00

abstract：:Fitting the measured bioimpedance spectroscopy (BIS) data to the Cole model and then extracting the Cole parameters is a common practice in BIS applications. The extracted Cole parameters then can be analysed as descriptors of tissue electrical properties. To have a better evaluation of physiological or pathological p...

journal_title：Medical & biological engineering & computing

authors： Gholami-Boroujeny S,Bolic M

更新日期：2016-04-01 00:00:00

abstract：:An atlas-based multimodal registration method for 2-dimension images with discrepancy structures was proposed in this paper. Atlas was utilized for complementing the discrepancy structure information in multimodal medical images. The scheme includes three steps: floating image to atlas registration, atlas to reference...

journal_title：Medical & biological engineering & computing

authors： Lv W,Chen H,Peng Y,Li Y,Li J

更新日期：2018-11-01 00:00:00

abstract：:The performance of the stimulation coil in a magnetic nerve stimulator can be improved by attaching a ferromagnetic structure to the coil. This reduces heat generation at the coil and increases magnetic field strength for a given unit of current. Some technical aspects of the design of a stimulation coil with a ferrom...

journal_title：Medical & biological engineering & computing

authors： Han BH,Lee SY,Kim JH,Yi JH

更新日期：2003-09-01 00:00:00

abstract：:We estimated the dynamic cell metabolic activity and the distribution of the pH value and oxygen concentration in tissue samples cultured in vitro by using real-time sensor records and a numerical simulation of the underlying reaction-diffusion processes. As an experimental tissue model, we used chicken spleen slices....

journal_title：Medical & biological engineering & computing

authors： Pfister C,Forstmeier C,Biedermann J,Schermuly J,Demmel F,Wolf P,Kaspers B,Brischwein M

更新日期：2016-05-01 00:00:00

abstract：:Electroencephalography (EEG) has been widely utilized to measure the depth of anaesthesia (DOA) during operation. However, the EEG signals are usually contaminated by artifacts which have a consequence on the measured DOA accuracy. In this study, an effective and useful filtering algorithm based on multivariate empiri...

journal_title：Medical & biological engineering & computing

authors： Liu Q,Chen YF,Fan SZ,Abbod MF,Shieh JS

更新日期：2017-08-01 00:00:00

abstract：:The development of an active implantable device for measuring electrocardiogram (ECG) is presented. The study is a part of a project which aims at developing implantable ECG instrumentation with wireless data and power transfer ( http://www.ele.tut.fi/tule ). The developed implant presented here has all the measuremen...

journal_title：Medical & biological engineering & computing

authors： Riistama J,Väisänen J,Heinisuo S,Harjunpää H,Arra S,Kokko K,Mäntylä M,Kaihilahti J,Heino P,Kellomäki M,Vainio O,Vanhala J,Lekkala J,Hyttinen J

更新日期：2007-12-01 00:00:00

abstract：:Several 3D reconstruction techniques deriving from stereoradiographic DLT have been presented during the last 15 years, but these techniques have usually been limited in accuracy because of the small number of corresponding anatomical landmarks identified on both radiographs. A new technique has recently been proposed...

journal_title：Medical & biological engineering & computing

authors： Mitulescu A,Semaan I,De Guise JA,Leborgne P,Adamsbaum C,Skalli W

更新日期：2001-03-01 00:00:00