Proceedings of the 19th Annual International Conference of the IEEE Engineering in Medicine and Biology Society. 'Magnificent Milestones and Emerging Opportunities in Medical Engineering' (Cat. No.97CH36136)

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A spike triggered averaging technique for high resolution assessment of single motor unit conduction velocity changes during fatiguing voluntary contractions
Proceedings of the 19th Annual International Conference of the IEEE Engineering in Medicine and Biology Society. 'Magnificent Milestones and Emerging Opportunities in Medical Engineering' (Cat. No.97CH36136) - Tập 2 - Trang 1097-1100 vol.2
D. Farina, L. Arendt-Nielsen, R. Merletti, T. Graven-Nielsen
In this paper we propose an improved spike triggered averaging technique for the assessment of control properties and conduction velocity (CV) of single motor units (MUs) during voluntary sub-maximal muscle contractions. The method is based on the detection of multi-channel surface EMG signals (with linear electrode arrays) and intramuscular recorded single MU action potentials (MUAPs). Intramuscu...... hiện toàn bộ
#Electromyography #Delay estimation #Muscles #Electrodes #Signal resolution #Signal processing algorithms #Velocity control #Tendons #Array signal processing #Testing
Design of a prototype for dynamic electrocardiography monitoring using GSM technology: GSM-Holter
Proceedings of the 19th Annual International Conference of the IEEE Engineering in Medicine and Biology Society. 'Magnificent Milestones and Emerging Opportunities in Medical Engineering' (Cat. No.97CH36136) - Tập 4 - Trang 3956-3959 vol.4
J.M. Guillen, J. Millet, A. Cebrian
Monitoring patients with serious cardiovascular problems is invaluable in preventing further crises and achieving a faster, more effective attention. To this end, noninvasive cardiologic tests such as dynamic electrocardiography (e.g., Holter) have proven useful in clinical practice. The present document puts forward a novel Holter system that benefits from the GSM mobile telephony standard widesp...... hiện toàn bộ
#Prototypes #GSM #Electrocardiography #Patient monitoring #Telephony #Cardiology #Testing #Remote monitoring #Hospitals #Electrodes
Reducing insertion sites of penetrating multipolar shaft electrodes by double side electrode arrangement
Proceedings of the 19th Annual International Conference of the IEEE Engineering in Medicine and Biology Society. 'Magnificent Milestones and Emerging Opportunities in Medical Engineering' (Cat. No.97CH36136) - Tập 4 - Trang 3426-3429 vol.4
T. Stieglitz, P. Heiduschka, M. Schuettler, M. Gross
Micromachined devices with substrate-integrated electrodes are the key component in implantable microdevices for recording neuronal signals or stimulating nerves. For basic investigations in central- and partially in peripheral-nerve structures, silicon based shaft electrodes have established as standard multichannel device. In this paper, we present polyimide based multichannel shaft electrodes w...... hiện toàn bộ
#Electrodes #Shafts #Optical recording #Silicon #Polyimides #Connectors #Assembly #Monitoring #Stimulated emission #Rats
23rd Annual International Conference of the IEEE Engineering in Medicine and Biology Society [front matter]
Proceedings of the 19th Annual International Conference of the IEEE Engineering in Medicine and Biology Society. 'Magnificent Milestones and Emerging Opportunities in Medical Engineering' (Cat. No.97CH36136) - Tập 1 - Trang i-C_53 - 2001
Conference proceedings front matter may contain various advertisements, welcome messages, committee or program information, and other miscellaneous conference information. This may in some cases also include the cover art, table of contents, copyright statements, title-page or half title-pages, blank pages, venue maps or other general information relating to the conference that was part of the ori...... hiện toàn bộ
Addition of an intrafascicular electrode at the site of application of a multipolar nerve cuff enhances the opportunity for selective fascicular activation
Proceedings of the 19th Annual International Conference of the IEEE Engineering in Medicine and Biology Society. 'Magnificent Milestones and Emerging Opportunities in Medical Engineering' (Cat. No.97CH36136) - Tập 1 - Trang 711-714 vol.1 - 2001
R. Riso, A. Dalmose, D. Stefania, M. Schuttler
Multipolar nerve cuffs are being developed to apply to peripheral trunk nerves in an effort to limit the number of implanted components of an FES system, while at the same time allowing specific fascicles within the cuffed nerve to be independently activated. Because the electrode contact sites of a multipolar circumferential fitted cuff are positioned only at the surface of the cuffed nerve, it i...... hiện toàn bộ
#Electrodes #Muscles #Monitoring #Animals #Fingers #Cats #Optical devices #Optical sensors #Electromyography #Iron
Medical image segmentation using a tree model
Proceedings of the 19th Annual International Conference of the IEEE Engineering in Medicine and Biology Society. 'Magnificent Milestones and Emerging Opportunities in Medical Engineering' (Cat. No.97CH36136) - Tập 3 - Trang 2626-2629 vol.3
V. Grau, M. Alcaniz, C. Monserrat, M.C. Juan, J.A. Gil
A model-driven, multiscale medical image segmentation system is presented. A tree representation is calculated for the image, using a modification of the immersion algorithm used for watersheds calculation. Segmentation is carried out by a matching process between the obtained tree and a tree model, which embeds the prior knowledge about the images. Tree matching is done in a multilevel way, proce...... hiện toàn bộ
#Biomedical imaging #Image segmentation #Filters #Signal processing #Gas insulated transmission lines #Shape #User interfaces #System testing #Magnetic resonance #Image analysis
Three-dimensional accuracy assessment of eye surgeons
Proceedings of the 19th Annual International Conference of the IEEE Engineering in Medicine and Biology Society. 'Magnificent Milestones and Emerging Opportunities in Medical Engineering' (Cat. No.97CH36136) - Tập 4 - Trang 3458-3461 vol.4
L.F. Hotraphinyo, C.N. Riviere
Overall manual accuracy in simulated microsurgery has been studied. Three eye surgeons have been tested thus far. Subjects attempted to hold a microsurgical instrument still for 30 s and its 3-D tip position was recorded. RMS error, overall motion range were calculated and spectral analysis was performed for each axis. The RMS error was between 54 /spl mu/m and 118 /spl mu/m and the overall range ...... hiện toàn bộ
#Surgery #Microsurgery #Bandwidth #Testing #Instruments #Spectral analysis #Frequency #Optical sensors #Microscopy #Optical recording
The analysis of visual information processing in the brain by using the magnetoencephalogram
Proceedings of the 19th Annual International Conference of the IEEE Engineering in Medicine and Biology Society. 'Magnificent Milestones and Emerging Opportunities in Medical Engineering' (Cat. No.97CH36136) - Tập 1 - Trang 923-925 vol.1
A. Tuchida, K. Magatani, K. Yanashima
The magnetoencephalogram (MEG) is a powerful technique for the analysis of brain activity. The magnetic signal doesn't reduce in the brain, and we can obtain accurate information about the position of the signal source by using MEG. Our aim in this study is the analysis of the stereoscopic effect in the brain. In this report, we talk about our MEG measurement system and our pseudo stereographic pa...... hiện toàn bộ
#Information analysis #Magnetic analysis #Information processing #Glass #Shape #Solids #Magnetic shielding #Microcomputers #Fusion power generation #Pattern recognition
Non-uniform spatial sampling in EEG source analysis
Proceedings of the 19th Annual International Conference of the IEEE Engineering in Medicine and Biology Society. 'Magnificent Milestones and Emerging Opportunities in Medical Engineering' (Cat. No.97CH36136) - Tập 1 - Trang 903-905 vol.1
C.G. Benar, J. Gotman
We investigate in this paper the non-uniform sampling of EEG dipolar potentials and its impact on source analysis. We suppose some a priori knowledge on the approximate location of the dipole. We show that, in a noise-free situation, the electrode spacing needs to be around 3 cm in the region of the dipole only, whereas it can drop to 8 cm in remote regions.
#Sampling methods #Electroencephalography #Electrodes #Frequency #Bandwidth #Nonlinear distortion #Brain modeling #Magnetic heads #Epilepsy #Scalp
Computerized system to aid deaf children in speech learning
Proceedings of the 19th Annual International Conference of the IEEE Engineering in Medicine and Biology Society. 'Magnificent Milestones and Emerging Opportunities in Medical Engineering' (Cat. No.97CH36136) - Tập 2 - Trang 1449-1452 vol.2
R.J. Riella, A.G. Linarth, Jr. Lippermann, P. Nohama
Describes a voice analyzer, whose purpose is for deaf children's assistance in the process of speech learning. The processing of the user's speech signal is performed in real time in order to get an instantaneous feedback of the result of speech training. The aim of this analyzer is not to find the distinction between spoken words, the main objective of a speech recognizer, but to calculate a leve...... hiện toàn bộ
#Deafness #Speech analysis #Speech processing #Signal processing #Feedback #Standards development #Speech recognition #Signal analysis #Digital signal processors #Digital signal processing
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