abstract：BACKGROUND:In ultrasound imaging systems, the digital transmit beamformer is a critical module that generates accurate control over several transmission parameters. However, such transmit front-end module is not typically accessible to ultrasound researchers. To overcome this difficulty, we have been developing a compa...

journal_title：Biomedical engineering online

authors： Assef AA,Maia JM,Schneider FK,Button VL,Costa ET

更新日期：2013-03-20 00:00:00

abstract：:Telepointer is a powerful tool in the telemedicine system that enhances the effectiveness of long-distance communication. Telepointer has been tested in telemedicine, and has potential to a big influence in improving quality of health care, especially in the rural area. A telepointer system works by sending additional...

journal_title：Biomedical engineering online

authors： Abdul Karim R,Zakaria NF,Zulkifley MA,Mustafa MM,Sagap I,Md Latar NH

更新日期：2013-03-09 00:00:00

abstract：BACKGROUND:In the last years, several methods and devices have been proposed to record the human mandibular movements, since they provide quantitative parameters that support the diagnosis and treatment of temporomandibular disorders. The techniques currently employed suffer from a number of drawbacks including high pr...

journal_title：Biomedical engineering online

authors： Furtado DA,Pereira AA,Andrade Ade O,Bellomo DP Jr,da Silva MR

更新日期：2013-02-22 00:00:00

abstract：BACKGROUND:The lumbar range of motion has traditionally been used to assess disability in patients with low back disorders. Controversy exists about how movement ranges in static positions or in a single straight plane is related to the functional status of the patients. The trunk circumduction, as the result of neurom...

journal_title：Biomedical engineering online

authors： Cheng SC,Hsu CH,Ting YT,Kuo LC,Lin RM,Su FC

更新日期：2013-01-11 00:00:00

abstract：INTRODUCTION:This paper shows the influence of a measurement method of features in the diagnosis of Hashimoto's disease. Sensitivity of the algorithm to changes in the parameters of the ROI, namely shift, resizing and rotation, has been presented. The obtained results were also compared to the methods known from the li...

journal_title：Biomedical engineering online

authors： Koprowski R,Korzyńska A,Wróbel Z,Zieleźnik W,Witkowska A,Małyszek J,Wójcik W

更新日期：2012-11-28 00:00:00

abstract：BACKGROUND:Shape of the dental root canal is highly patient specific. Automated identification methods of the medial line of dental root canals and the reproduction of their 3D shape can be beneficial for planning endodontic interventions as severely curved root canals or multi-rooted teeth may pose treatment challenge...

journal_title：Biomedical engineering online

authors： Benyó B

更新日期：2012-10-29 00:00:00

abstract：BACKGROUND:The extracellular matrix (ECM) provides a supportive microenvironment for cells, which is suitable as a tissue engineering scaffold. Mechanical stimulus plays a significant role in the fate of osteoblast, suggesting that it regulates ECM formation. Therefore, we investigated the influence of mechanical stimu...

journal_title：Biomedical engineering online

authors： Guo Y,Zhang CQ,Zeng QC,Li RX,Liu L,Hao QX,Shi CH,Zhang XZ,Yan YX

更新日期：2012-10-25 00:00:00

abstract：BACKGROUND:Human embryonic stem cell derived cardiomyocytes (hESC-CMs) hold high potential for basic and applied cardiovascular research. The development of a reliable simulation platform able to mimic the functional properties of hESC-CMs would be of considerable value to perform preliminary test complementing in vitr...

journal_title：Biomedical engineering online

authors： Paci M,Sartiani L,Del Lungo M,Jaconi M,Mugelli A,Cerbai E,Severi S

更新日期：2012-08-28 00:00:00

abstract：BACKGROUND:Approximately one-third of the human lifespan is spent sleeping. To diagnose sleep problems, all-night polysomnographic (PSG) recordings including electroencephalograms (EEGs), electrooculograms (EOGs) and electromyograms (EMGs), are usually acquired from the patient and scored by a well-trained expert accor...

journal_title：Biomedical engineering online

authors： Pan ST,Kuo CE,Zeng JH,Liang SF

更新日期：2012-08-21 00:00:00

abstract：INTRODUCTION:This paper concerns the analysis of the features obtained from thyroid ultrasound images in left and right transverse and longitudinal sections. In the image analysis, the thyroid lobe is treated as a texture for healthy subjects and patients with Hashimoto's disease. The applied methods of analysis and im...

journal_title：Biomedical engineering online

authors： Koprowski R,Zieleźnik W,Wróbel Z,Małyszek J,Stępień B,Wójcik W

更新日期：2012-08-16 00:00:00

abstract：BACKGROUND:Abnormal blood glucose (BG) concentrations have been associated with increased morbidity and mortality in both critically ill adults and infants. Furthermore, hypoglycaemia and glycaemic variability have both been independently linked to mortality in these patients. Continuous Glucose Monitoring (CGM) device...

journal_title：Biomedical engineering online

authors： Signal M,Le Compte A,Harris DL,Weston PJ,Harding JE,Chase JG,CHYLD Study Group.

更新日期：2012-08-06 00:00:00

abstract：BACKGROUND:Image quality assessment method of photoacoustic tomography has not been completely standardized yet. Due to the combined nature of photonic signal generation and ultrasonic signal transmission in biological tissue, neither optical nor ultrasonic traditional methods can be used without modification. An optic...

journal_title：Biomedical engineering online

authors： Kim DH,Shin DH,Ryu SH,Song CG

更新日期：2012-07-13 00:00:00

abstract：:The control of robotic prostheses based on pattern recognition algorithms is a widely studied subject that has shown promising results in acute experiments. The long-term implementation of this technology, however, has not yet been achieved due to practical issues that can be mainly attributed to the use of surface el...

journal_title：Biomedical engineering online

authors： Ortiz-Catalan M,Brånemark R,Håkansson B,Delbeke J

更新日期：2012-06-20 00:00:00

abstract：BACKGROUND:In spite of numerous non-invasive examinations the "gold clinical standard" of cardiac output measurements is the invasive pulmonary artery catheterization by means of the Swan-Ganz catheter and the application of the thermodilution method to estimate the blood flow. The results obtained by means of thermodi...

journal_title：Biomedical engineering online

authors： Gawlikowski M,Pustelny T

更新日期：2012-05-20 00:00:00

abstract：BACKGROUND:Effective fixation of fracture requires careful selection of a suitable implant to provide stability and durability. Implant with a feature of locking plate (LP) has been used widely for treating distal fractures in femur because of its favourable clinical outcome, but its potential in fixing proximal fractu...

journal_title：Biomedical engineering online

authors： Latifi MH,Ganthel K,Rukmanikanthan S,Mansor A,Kamarul T,Bilgen M

更新日期：2012-04-30 00:00:00

abstract：BACKGROUND:Falls can cause trauma, disability and death among older people. Ambulatory accelerometer devices are currently capable of detecting falls in a controlled environment. However, research suggests that most current approaches can tend to have insufficient sensitivity and specificity in non-laboratory environme...

journal_title：Biomedical engineering online

authors： Yuwono M,Moulton BD,Su SW,Celler BG,Nguyen HT

更新日期：2012-02-16 00:00:00

abstract：BACKGROUND:Fiber-based optical spectroscopy has been widely used for biomedical applications. However, the effect of probe-sample distance on the collection efficiency has not been well investigated. METHOD:In this paper, we presented a theoretical model to maximize the illumination and collection efficiency in design...

journal_title：Biomedical engineering online

authors： Wang B,Fan S,Li L,Wang C

更新日期：2011-11-02 00:00:00

abstract：BACKGROUND:Monitoring of vital parameters is an important topic in neonatal daily care. Progress in computational intelligence and medical sensors has facilitated the development of smart bedside monitors that can integrate multiple parameters into a single monitoring system. This paper describes non-contact monitoring...

journal_title：Biomedical engineering online

authors： Abbas AK,Heimann K,Jergus K,Orlikowsky T,Leonhardt S

更新日期：2011-10-20 00:00:00

abstract：BACKGROUND:The subjects in EEG-Brain computer interface (BCI) system experience difficulties when attempting to obtain the consistent performance of the actual movement by motor imagery alone. It is necessary to find the optimal conditions and stimuli combinations that affect the performance factors of the EEG-BCI syst...

journal_title：Biomedical engineering online

authors： Choi D,Ryu Y,Lee Y,Lee M

更新日期：2011-10-12 00:00:00

abstract：BACKGROUND:Newborn mammals suffering from moderate hypoxia during or after birth are able to compensate a transitory lack of oxygen by adapting their vital functions. Exposure to hypoxia leads to an increase in the sympathetic tone causing cardio-respiratory response, peripheral vasoconstriction and vasodilatation in p...

journal_title：Biomedical engineering online

authors： Schulz S,Reulecke S,Eiselt M,Schwab K,Witte H,Walter B,Bauer R,Voss A

更新日期：2011-10-03 00:00:00

abstract：BACKGROUND:Segmentation is the most crucial part in the computer-aided bone age assessment. A well-known type of segmentation performed in the system is adaptive segmentation. While providing better result than global thresholding method, the adaptive segmentation produces a lot of unwanted noise that could affect the ...

journal_title：Biomedical engineering online

authors： Chai HY,Wee LK,Swee TT,Salleh ShH,Chea LY

更新日期：2011-09-28 00:00:00

abstract：BACKGROUND:The electroencephalography (EEG) signals are known to involve the firings of neurons in the brain. The P300 wave is a high potential caused by an event-related stimulus. The detection of P300s included in the measured EEG signals is widely investigated. The difficulties in detecting them are that they are mi...

journal_title：Biomedical engineering online

authors： Turnip A,Hong KS,Jeong MY

更新日期：2011-09-23 00:00:00

abstract：BACKGROUND:Cerebral hyperperfusion syndrome develops in a small subset of patients following carotid artery surgery (CAS) performed to treat severe carotid artery stenosis. This syndrome has been found to have a close correlation with cerebral hyperperfusion occurring after CAS. The purpose of this study is to investig...

journal_title：Biomedical engineering online

authors： Liang F,Fukasaku K,Liu H,Takagi S

更新日期：2011-09-23 00:00:00

abstract：:A comment on G. Litscher: Infrared thermography fails to visualize stimulation-induced meridian-like structures. Biomed. Eng. OnLine 2005, 4:38 (15 June 2005), with a response by the author. ...

journal_title：Biomedical engineering online

authors： Chen R,Lv Z

更新日期：2011-09-11 00:00:00

abstract：BACKGROUND:Recent studies indicate that the blue-yellow colour discrimination is impaired in ADHD individuals. However, the relationship between colour and performance has not been investigated. This paper describes the development and the testing of a virtual environment that is capable to quantify the influence of re...

journal_title：Biomedical engineering online

authors： Silva AP,Frère AF

更新日期：2011-08-19 00:00:00

abstract：BACKGROUND:Rotational osteotomy is frequently indicated to correct excessive femoral anteversion in cerebral palsy patients. Angled blade plate is the standard fixation device used when performed in the proximal femur, but extensile exposure is required for plate accommodation. The authors developed a short locked intr...

journal_title：Biomedical engineering online

authors： Pagnano RG,Okubo R,Volpon JB

更新日期：2011-06-28 00:00:00

abstract：BACKGROUND:Since the first well-known electrocardiogram (ECG) delineator based on Wavelet Transform (WT) presented by Li et al. in 1995, a significant research effort has been devoted to the exploitation of this promising method. Its ability to reliably delineate the major waveform components (mono- or bi-phasic P wave...

journal_title：Biomedical engineering online

authors： Di Marco LY,Chiari L

更新日期：2011-04-03 00:00:00

abstract：BACKGROUND:The evaluation, verification and comparison of different numerical heart models are difficult without a commonly available database that could be utilized as a reference. Our aim was to compile an exemplary dataset. METHODS:The following methods were employed: Magnetic Resonance Imaging (MRI) of heart and t...

journal_title：Biomedical engineering online

authors： Koch H,Bousseljot RD,Kosch O,Jahnke C,Paetsch I,Fleck E,Schnackenburg B

更新日期：2011-01-27 00:00:00

abstract：BACKGROUND:Electric fields are integral to many biological events, from maintaining cellular homeostasis to embryonic development to healing. The application of electric fields offers substantial therapeutic potential, while optimal dosing regimens and the underlying mechanisms responsible for the positive clinical imp...

journal_title：Biomedical engineering online

authors： Hronik-Tupaj M,Rice WL,Cronin-Golomb M,Kaplan DL,Georgakoudi I

更新日期：2011-01-26 00:00:00

abstract：BACKGROUND:Speech production and speech phonetic features gradually improve in children by obtaining audio feedback after cochlear implantation or using hearing aids. The aim of this study was to develop and evaluate automated classification of voice disorder in children with cochlear implantation and hearing aids. ME...

journal_title：Biomedical engineering online

authors： Mahmoudi Z,Rahati S,Ghasemi MM,Asadpour V,Tayarani H,Rajati M

更新日期：2011-01-14 00:00:00

abstract：BACKGROUND:Surface roughness is the main factor determining bacterial adhesion, biofilm growth and plaque formation on the dental surfaces in vivo. Air-polishing of dental surfaces removes biofilm but can also damage the surface by increasing its roughness. The purpose of this study was to investigate the surface damag...

journal_title：Biomedical engineering online

authors： Salerno M,Giacomelli L,Derchi G,Patra N,Diaspro A

更新日期：2010-10-12 00:00:00

abstract：BACKGROUND:In this study, we have examined local non-viral gene delivery, transfection, and therapeutic efficacy of endothelial nitric oxide synthase (eNOS) encoding plasmid DNA administered using coated stents in a rabbit iliac artery restenosis model. METHODS:Lipopolyplexes (LPPs) with eNOS expressing plasmid DNA we...

journal_title：Biomedical engineering online

authors： Brito LA,Chandrasekhar S,Little SR,Amiji MM

更新日期：2010-09-27 00:00:00

abstract：BACKGROUND:In this paper we present a novel scene retargeting technique to reduce the visual scene while maintaining the size of the key features. The algorithm is scalable to implementation onto portable devices, and thus, has potential for augmented reality systems to provide visual support for those with tunnel visi...

journal_title：Biomedical engineering online

authors： Al-Atabany WI,Tong T,Degenaar PA

更新日期：2010-09-16 00:00:00

abstract：BACKGROUND:Pre-operative imaging devices generate high-resolution images but intra-operative imaging devices generate low-resolution images. To use high-resolution pre-operative images during surgery, they must be deformed to reflect intra-operative geometry of brain. METHODS:We employ biomechanical models, guided by ...

journal_title：Biomedical engineering online

authors： Hamidian H,Soltanian-Zadeh H,Faraji-Dana R,Gity M

更新日期：2010-09-15 00:00:00

abstract：BACKGROUND:A valveless pump generates a unidirectional net flow of fluid around a closed loop of soft viscoelastic tubing that is rhythmically compressed at one point. The tubing must have at least two sections with two different stiffnesses. When a short segment of the tube is squeezed asymmetrically at certain freque...

journal_title：Biomedical engineering online

authors： Babbs CF

更新日期：2010-08-31 00:00:00

abstract：BACKGROUND:The main problem of tremor is the damage caused to the quality of the life of patients, especially those at more advanced ages. There is not a consensus yet about the origins of this disorder, but it can be examined in the correlations between the biological signs of aging and the tremor characteristics. ME...

journal_title：Biomedical engineering online

authors： Mansur PH,Cury LK,Leite JO,Pereira AA,Penha-Silva N,Andrade AO

更新日期：2010-06-22 00:00:00

abstract：BACKGROUND:Retina degenerative disorders represent the primary cause of blindness in UK and in the developed world. In particular, Age Related Macular Degeneration (AMD) and Retina Pigmentosa (RP) diseases are of interest to this study. We have therefore created new image processing algorithms for enhancing the visual ...

journal_title：Biomedical engineering online

authors： Al-Atabany WI,Memon MA,Downes SM,Degenaar PA

更新日期：2010-06-18 00:00:00

abstract：BACKGROUND:A common but debated technique in the management of swallowing difficulties is the chin tuck swallow, where the neck is flexed forward prior to swallowing. Natural variations in chin tuck angles across individuals may contribute to the differential effectiveness of the technique. METHODOLOGY:To facilitate t...

journal_title：Biomedical engineering online

authors： Hung D,Sejdić E,Steele CM,Chau T

更新日期：2009-10-07 00:00:00

abstract：BACKGROUND:Understanding aneurysm growth rate allows us to predict not only the current rupture risk, but also accumulated rupture risk in the future. However, determining growth rate of unruptured intracranial aneurysms often requires follow-up of patients for a long period of time so that significant growth can be ob...

journal_title：Biomedical engineering online

authors： Jou LD,Mawad ME

更新日期：2009-06-18 00:00:00

abstract：PURPOSE:Coronary artery bypass graft (CABG) surgery represents the standard treatment of advanced coronary artery disease. Two major types of anastomosis exist to connect the graft to the coronary artery, i.e., by using an end-to-side or a side-to-side anastomosis. There is still controversy because of the differences ...

journal_title：Biomedical engineering online

authors： Frauenfelder T,Boutsianis E,Schertler T,Husmann L,Leschka S,Poulikakos D,Marincek B,Alkadhi H

更新日期：2007-09-26 00:00:00