WRISTALYZER,A NEW MYOHAPTIC DEVICE

PRESENTED BY
NAVEEN R KARIPPAI
ROLL NO: 42
S7 AEI

College Of Engineering , Trivandrum


Contents
Introduction
Tremor
Machine configuration
Specifications
Generations
First generation
Second generation
Principle
Block diagram
EMG
Advantages
Applications
Conclusion
Reference


Introduction
Haptic technology and muscle analysis
Analysing tremor
EMG
Obstacles
Common tremor
Applications

Tremor-different types
Essential
Postural
Parkinson’s disease
Orthostatic
Physiological
Cerebellar ataxias
Wristalyzer

Specifications
Rack

Drive train

General

Software

Wristalyzer-generations


First generation (manipulandum)


Second generation

Wristalyzer-First generation

Principle
Block diagram
EMG
Types
Surface
Intramuscular(needle and fine wire)

Applications
Clinical
Biomedical

Advantages
Able to deliver both low and high frequency oscillations.
Easy to use, highly accurate, ergonomic.
Direct analysis of muscle activity with surface or needle electrodes
Multiple clinical and research applications in neurology and rehabilitation of joint disorders.
Portable, comfort, safety button, stability
Haptic technology, axis changeable.


Applications
Monitor functions of wrist
Acute and chronic neurological patients
Rehabilitation purposes in the field of telemedicine
Metrics of motion in cerebellar patients
Assess tremor
Monitor dysmetria
Muscle activities in patients


Conclusion
High accuracy, standardization
Assess effects of somatosensory stimulation
Assess tremor in joints of neurological patients
Advantages of haptic technology
Innovations

Reference
E. Rocon, J. M. Belda-Lois, A. F. Ruiz, M. Manto, J. C. Moreno, and J. L. Pons, “Design and validation of a rehabilitation robotic exoskeleton for tremor assessment and suppression,” IEEE Trans. Neural Syst. Rehab.

G. Grimaldi, P. Lammertse, N. B. Van Den, J. Meuleman, and M. Manto, “A new myohaptic device to assess wrist function in the lab and in the clinic-The wristalyzer,” in Proc. Eurohaptic 2008.

G. Grimaldi, P. Lammertse, and M. Manto, “Effects of wrist oscillations on contralateral neurological postural tremor using a new myohaptic device (’wristalyzer’)
Thank you

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