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Abstract
Post stroke rehabilitation consumes
a huge amount of health care resources in terms of costs related to
hospital and home assistance. Recently, robot-assisted rehabilitation
has been adapted to support physiotherapists in providing high-intensity
and repetitive rehabilitation sessions. It has been observed that
robotics offers an objective and reliable instrumented tool to monitor
patient’s progress and accurately assess their motor function. Each
finger is attached to an instrumented mechanism which allowing force
control and a mostly linear displacement. This paper presents a novel
finger rehabilitation approach for acute paralyzed stroke survivors
using a wearable robotic interface for hand motor function recovery. The
device designed based on biomechanics measurements, able to assist the
subject in opening and closing movements. It capable to adapt with
various hand shapes and finger sizes. Main features of the interface
include a differential system, and a lead screw mechanism which allows
independent movement of the five fingers with actuators. The device is
safe, easily transportable, and offers multiple training possibilities.
The prototype deployment was carried out to determine the requirements
for a finger rehabilitation device, the design and characterization of
the complete system. Offering ease of use and affordability, the device
has great potential to be deployed for individualized rehabilitation
session for patients who have to undergo therapy in their home.
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