World Congress on Medical Physics and Biomedical Engineering September 7 - 12, 2009 Munich, Germany (eBook)

IFMBE 25/IX 1
Preface 5
Table of Contents 8
Study on a High Performance Shoes by using Silicon Rubber Elements with Human Compatibility 19
Paraplegic Using a Reciprocating Gait Orthosis (RGO) with Functional Electrical Stimulation 23
Habilitation Aid for Children with Balance Disorders 27
Prototype Walker for children with cerebral palsy 31
Analysis of Joint movements and muscle length during sit-to-stand at various sitting heights in the Korean elderly daily life 35
Haptic robot for arm and wrist rehabilitation 38
Movement Analysis by Accelerometry of Newborns for the Early Detection of Movement Disorders due to Infantile Cerebral Palsy 42
Patient-Specific Finite Element Models of Transtibial Amputation in Several Prosthetic Users: The Inter-Subject Variability 46
Development of a Corrugated Polyimide-Based Electrode for Intrafascicular Use in Peripheral Nerves 50
Analysis of Gait Rhythm Variability in Patients with Amyotrophic Lateral Sclerosis 54
Anatomy of the human cochlear nucleus in relation to auditory brain stem implants 58
Estimation and Evaluation of Upper Limb Endpoint Stiffness and Joint Torques for Post-stroke Rehabilitation 62
Neuroelectronic interfaces with the central nervous systems – ethical issues 66
Ultrasound Pre-study of the Kinematics of the Residual Tibia within a Trans-Tibial Socket during Gait 70
Development of Unconstrained Rigidity Measurement System for Quantitative Diagnosis of Parkinson’s Disease 73
Measurement of Eye and Head Position in Neurological Practice 75
Virtual Reality and Robotics for Neuro-Motor Rehabilitation of Ischemic Stroke Patients 79
ARMassist: A low-cost device for telerehabiltation of post-stroke arm deficits 82
Application of 3D modeling and modern visualization technique to neurosurgical trigonocephaly correction in children 86
Peripheral Inductive Stimulation: Physical Issues and Advanced Technological Solutions 90
A Neuronal Network Model with Plasticity for Tinnitus Management by Sound Therapy 94
Modular Prosthesis of the Larynx for Application in Laryngectomees – A Theoretical Approach 98
A novel method exploiting the nociceptive withdrawal reflexes in rehabilitation of hemiplegic gait 102
Compact Assistive Rehabilitation Devices– Concept and Preliminary Function Test 106
Feasibility of selective robotic support of foot clearance with continuously adapting impedance levels 110
Diffusion Limited Tapered Coating with Parylene C 114
Electrical Characterization of Platinum, Stainless Steel and Platinum/Iridium as Electrode Materials for a New Neural Interface 118
Position Decoding of Hippocampal Place Cells 122
A Novel Assembly Method for Silicon-Based Neural Devices 125
Gait Posture Estimation by Wearable Acceleration and Gyro Sensor 129
Automobile, which can Control an Autonomic nervous system 133
Polymer-Based Approaches to Improve the Long Term Performance of Intracortical Neural Interfaces 137
Development of a Neural Interface for Artificial Limbs 141
Orthopedic Testing – A device for sagittal and transversal knee stability detection 142
ARMin - Exoskeleton Robot for Stroke Rehabilitation 145
Comparative Study on the Posture of Individuals with and without Cervical Pain 149
Functional Assessment of Orthopedic Aids Using Open Vertical MRIs 153
Bioelectric Source Localization in the Rat Sciatic Nerve: Initial Assessment Using an Idealized Nerve Model 156
Development of a New Wearable Monitoring System for Posture Changes and Activities and its Application to Rehabilitation 160
An Improved Method for Dipole Modeling in EEG-Based Source Localization 164
Machines to support motor rehabilitation after stroke 168
FEM-based investigation of spatial stimulation properties of a multi-electrode probe with micrometer-size electrodes for cortical and DBS applications 172
Silicon Microprobe Systems for Neural Drug Delivery: Experimental Characterization of Liquid Distribution 176
A measurement set-up to determine the charge injection capacity of neural microelectrodes 180
Patient-Cooperative Control: Providing Safe Support without Restricting Movement 184
Estimation of Physical Performance for Elderly People via Markerless Sit to Stand Analysis 188
Using a P300 Brain Computer Interface for Smart Home Control 192
The use of muscle “creep” as opposed to relaxation in stretching braces: a pseudoelastic device 196
Customizable neuro-mechanical model of a hemiplegic elbow interacting with a pseudoelastic dynamic orthosis 200
The Use of Radio Frequency Identification System for Wheelchair Security System 204
A Lightweight Approach for Activity Classification on Microcontrollers 208
Field applications of a prosthetic mobile measuring system 212
Force fluctuations in a simulated motoneuron pool 215
Effect of passive stepping on the H-reflex in the wrist flexor 219
On the Efficacy of Haptic Guidance Schemes for Human Motor Learning 221
Design and Development of Acrylic Die for Hip Bone Joint Casting 225
Pupillary Responses during Learning of Inverted Tracking Tasks 229
Instantaneous Gaze-Target Detection by Empirical Mode Decomposition: Application to Brain Computer Interface 233
Using virtual reality for an autonomous navigation with electric wheelchairs 237
Design of a new prosthetic mechanical system used in human ankle joint disarticulation 241
Development of a Telemetric Goniometer 245
Artificial Prehension and the Detection of Object Slip 249
Influence of Base Material of TRUCT Braille on Readability of TRUCT Braille 253
Functional evaluation of a micro-fabricated planar multielectrode probe for in vivo neuronal recording 257
Research on the Perceptual Size of Tactile Dots and Bars 261
A Consideration of the Expanded Partial Differential Equations and the Compartment System as the Background of the ABR System 265
Development of the Gait Training System Controlled by Pressure Feed-back 269
Regional absolute quantification in neurochemical profile of the canine brain: Investigation by $^{1}$H nuclear magnetic resonance spectroscopy and tissue extraction 273
A Potable System for Foot-Drop Correction using Electrical Stimulation 277
An Implantable Epiretinal Vision Prosthesis for Retinitis Pigmentosa Patients 279
Development of system for estimating muscle force in real-time 283
Sensitivities of Bipolar Subcutaneous and Cortical EEG Leads 285
Patient-Cooperative Control: Adapting Robotic Interventions to Individual Human Capabilities 289
$^{1}$ H-MRS study of a depressive animal model for assessment of antidepressant effects 293
Improving BCI Performance by Modified Common Spatial Patterns with Robustly Averaged Covariance Matrices 297
Enhanced perception for visually impaired people evaluated in a real time setting 301
A Preliminary Study of a Power Assist System for Toe Exercise using a Metal Hydride Actuator 305
Rehabilitation Robotics for Outpatient Clinical and Domestic Use 309
Seizure Control in an In-Silico Model of Epilepsy Using Backstepping Technique 313
Walkaround$^/circleR$ Assisted Walking of Stroke Patients 317
Vision and Distance Based Control of Prehension 320
‘InfoCane’ based on wireless technology for the visually-handicapped people 324
To feedback or not to feedback? Some open questions for Brain-Computer Interfaces use 327
Calculation of Systemic Aerobic Capacity without Contact Using Pattern Light Projection 330
Functionality of neuronal networks derived from human embryonic stem cells 334
Pneumatic Test Device for the Accurate Assessment of Pressure Sensors 337
Design and fabrication of an ultra-flexible electrode system for invasive continuous monitoring during surgery 341
Prototyping all-polymer bioelectrical signal transducers 345
Patient-specific models and simulations of deep brain stimulation for postoperative follow-up 349
Robot-amplified manual exploration improves load identification 353
A New Lightweight, Robust and Forceful Finger for an Artificial Limb 357
Leg Muscles Motion during Whole Body Linear Frequency Sweep Vibration 361
Motion Capture of Patients with Neurological Disorders by HD Digital Cameras 365
Peripheral Arm Nerve Injury Rehabilitation by means of “Virtual Sensibility” 369
Realization of Constant Phase Element in Metallic Electodes for Interference Reduction in Neural Recording Tripoles 371
Comparison of sensor for gait phase detection in hemiplegic gait 376
8-Channel Electrotactile Stimulation System for Auditory Information Substitution 380
Intraoperative neural electrode for continuous monitoring of nerve function 384
Density Distribution of Denervated Degenerated Rectus Femoris Muscle in Electrical Stimulation treatment. 388
Application of the ACT$^/{3D}$ Robot in the Evaluation of Functional Reaching Performance and the Administration of Experimental Interventions 392
Application of electrode matrix to locate stimulation sites for hand functions of SCI patients 395
Force field compensation can be learned without proprioceptive error 399
Implantable Wireless Cortical Recording Device for Primates 402
Is Posturography a Candidate for a Vigilance Test? 406
Aspects of Weight-Support Mechanisms in Rehabilitation Robotics. 410
Studying Mechanisms Underlying Stroke Induced Movement Disorders Using 3-D Robotics 413
Use of Artificial Neural Networks for Classification Intracraneal EEG Signals from Epileptic Patients 416
Electrical Network for Emulation of Saccadic Eye Movements 420
Study toward a Motion Sickness Assessment with Bio-signal indices On Korean Tilting Train eXpress 424
Kinematics Analysis of Chopsticks Manipulation 428
ZigBee-Based Wireless Neuro-Stimulator for Improving Stroke Recovery 432
The effect of clearance upon friction of large diameter hip resurfacing prostheses using blood, clotted blood and bovine serum as lubricants 436
Comparison of k-Means and Bayes classifiers for Human Body Motions Classification 439
The Effect of Computer Use on Carpal Tunnel Syndrome 443
Automated Vigilance Classification based on EOG signals: Preliminary Results 446
A Lexicon Driven P300 Speller 450
Repositioning Precision of EEG-Caps – A Preliminary Study 454
Pick to Place Trajectories in Human Arm Training Environment 458
Subretinal Microelectrode Arrays Implanted Into Blind Retinitis Pigmentosa Patients Allow Recognition of Letters and Direction of Thin Stripes 462
Investigation of the Adaptation to Artificial Damping in Cerebellar Ataxia Using the Myohaptic Technology 466
Analysis of Parkinson gait based on wavelet packet entropy 470
Medium-Cost Electronic Prosthetic Knee for Transfemoral Amputees: A Medical Solution for Developing Countries 474
Human Gait Data Mining by Symbol Based Descriptive Features 478
Novel Control for Ambulation Function Restoration in a Non-invasive Functional Electrical Stimulation System 482
Design of a Hybrid Powered Upper Limb Orthosis 486
Electrodeposition and characterization of iridium oxide as electrode material for neural recording and stimulation 490
Design and Modeling of an Upper Extremity Exoskeleton 494
Detection of Steady-State Visual Evoked Potentials for Brain-Computer Interfaces Using PCA and High-Order Statistics 498
Intensive FES therapy and its effect on the upper limb motor recovery after stroke 502
Dynamics of the Seizure Engine 506
Skin properties and the influence on electrode design for transcutaneous (surface) electrical stimulation 510
Estimation ethod of Consumption Energy in Human Activities for Daily Living 514
A Test of Stride Length Measurement with an Accelerometer and a Gyroscope Attached on the Foot 520
Ankle and Knee Joint Angle Measurements during Gait with Wearable Sensor System for Rehabilitation 524
Performance of novel dry electrode EEG cap for evoked potential and band-power activity detection. 528
Development of a shoe-type device for collecting gait information 532
Optical measurements for guidance during deep brain stimulation surgery 534
Trial Study of a Power Presentation Method for Upper-Limb Orthoses 536
Movement of Lower Extremity – Development of a Portable System for Movement Analysis 538
The role of the sEMG signal processing in the field of the Human Movement Analysis 541
Effects of Acupuncture in the Ischemic Model of Diabetes Mellitus Rats 545
The Mechanism of Electro-Acupuncture(EA) Treating Cerebral Ischemia: Whether EA Administered to Mobilization of EPCs? 547
PERFORM: Building and Mining Electronic Records of Neurological Patients Being Monitored in the Home 551
Real-Time Adaptive Neural Predictors for Upper Limb Gestures Blind Recognition 554
The European R& D Project RISE - Use of Electrical Stimulation to Restore Standing in Paraplegics with Long-Term Denervated Degenerated Muscles (DDM)
Modulation of stimulation frequency of spinal cord afferents with unchanged intensity and electrode site can induce a variety of movements 561
A biofeedback based portable device to support elderly mobility in the home environment 564
Measurement System of Hand Tapping Capacity for Quantitative Diagnosis of Parkinson’s Disease 568
Optimization of Sensomotoric Insoles 572
Modeling the dynamics of recovery in robot-assisted rehabilitation 576
Position of the Head Measured by Digital Photograph Analysis 580
IS THE BOTTLENECK IN MULTITASKING OF COGNITIVE ORIGIN? TAPPING AS AN EXPERIMENTAL ASSESSMENT TOOL 584
Superimposition of 2D Pressure Data and 3D Surface Data to Optimize Seat Shells in Rehabilitation 588
Spatiotemporal pixelization method based on vertical sub-sampling to improve reading ability for visual prosthesis 591
Optimizing Visual Cues for Brain-Computer Interfaces 594
Video Game-Based Exercise for Improvement of Calf Muscle Properties: A Case Study 598
Implanted Myo-neural Interface for Upper Limb Prosthesis 602
Closed-loop control of epileptic seizures via deep brain stimulation in a rodent model of chronic epilepsy 606
Recognition of Arm-Movement Electroencephalography (EEG) Using Motor-Related Intrinsic Mode Functions Filtering and Cross Mutual Information 610
Author Index 614