Abstract
Globally, stroke is the second most life-threatening disorder affecting 15 million people annually, where 5 million are subjected to permanent disability. In India, the stroke prevalence rate is 1.54 per 1,000 people, and rehabilitation sources are still improving. To bridge the gap toward the need for recovery and attain better daily living, a 3D-printed sensor-based haptic wearable device is being developed. This research aims to facilitate an innovative 3D-printed stroke rehabilitative device for upper arm hemiplegia patients using sensor technology and the integration of an STM controller. The main objective of this research is to support and improve the daily living habits of the stroke survival group by facilitating motion tracking and feedback mechanisms. The haptic device captures real-time movement data processed by an STM controller interfacing with flex sensors, inertial measurement units (IMUs), and force-sensitive sensors (FSS). The 3D printing methodology enables patient-specific customized design ensuring reliability and comfort. Experimental trials were conducted with the support of physiotherapists to demonstrate the improvements in upper arm hemiplegia. The ANOVA analysis indicated a 30% increase in motor skills after 10 weeks of trial. This paper presents the design and mathematical model, clinical validation, and the potential social impact on stroke rehabilitation practices for the survival groups.
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