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Neuroscience Congress 2019
Journal of Neurology and Neurorehabilitation Research | Volume 4
NEUROSCIENCE AND
NEUROLOGICAL DISORDERS
2
nd
International Conference on
USER NEEDS ANALYSIS OF CUSTOMIZABLE ROBOTIC EXOSKELETON FOR
POST-STROKE PATIENTS
Neha Singh
Indian Institute of Technology, India
Background:
Flexor hypertonia, one of the most common symptoms in stroke affects flexors and indirectly
affects the antagonists- the extensors, which plays an important role in ADL; e.g. wrist extension and fingers
grasped, eating, bathing, holding a door-knob or glass of water etc. Commercially available devices focus on
shoulder-elbow movements instead of distal-joints, which contribute a lot to ADL. Robotic-exercise therapy
offers potential for recovery but are inherently large and demand a semi-permanent or permanent set-up with
trained staffs for handling it and are highly expensive, are accessible to less patients and compel for everyday
hospital visits.
Material & Methods:
We have designed low-cost, portable, 3D printed, brain computer interface hand exo-
skeleton for upper limb rehabilitation of stroke patients at the Indian Institute of Technology (IIT) Delhi. It fo-
cuses on flexion and extension of wrist and fingers in functional pattern to improve Activities of Daily Liv-
ing (ADL) and reduce spasticity. It is user friendly, patient-specific, muscle-activity controlled. CAD-model of
linkages were printed using fused deposition modeling. The embedded-system and control-mechanism allow
device to be active-assist with adaptive visual performance-feedback. The Institutional Review Board (IEC/NP-
99/13.03.2015) approved the study.
Results:
Two hours of testing with robotic device was done on each patient for taking subjective questionnaire
feedback and System Usability Scale (SUS) from six patients with chronic-stroke to assess usability. Average
SUS score of 81 indicates high acceptance across patients. It allows easy don and doff individually by the pa-
tient with time as minimum as 48 and 23 seconds respectively. Device is low cost, lightweight and portable.
Conclusion:
It might help faster recovery and prove to be home based rehabilitation device.
J Neurol Neurorehabil Res 2019, Volume 4