Monday, December 7, 2020

Outcome of Rehabilitation Device Driven by Magnetic Force in Stroke Patients

Good luck trying to find this or even anyone in your stroke hospital that knows about it.

 Outcome of Rehabilitation Device Driven by Magnetic Force in Stroke Patients

Ji-Woo Park⋅Min-Su Kim†
Department of Rehabilitation Medicine, Wonkwang University School of Medicine
Received: September 1, 2020 / Revised: September 1, 2020 / Accepted: October 3, 2020
†Corresponding Author : Min-Su Kim
helmaine@naver.com, https://orcid.org/0000-0001-9954-1445
This is an Open Access article distributed under the terms of
the Creative Commons Attribution Non-Commercial License
(http://creativecommons.org/licenses/by-nc/3.0) which permits
unrestricted non-commercial use, distribution, and reproduction
in any medium, provided the original work is properly cited.

 Abstract

PURPOSE:  
This study investigates the therapeutic effect of
a prototype of a hand rehabilitation device based on magnetic
forces.
METHODS: 
Using an electromagnet and permanent
magnets, we developed an end effector type device that
induces various movements of the finger in accordance with
the magnetic field direction. A total of 26 subacute stroke
patients were enrolled and assigned to two groups in this
randomized controlled trial. The intervention group received
30 minutes hand rehabilitation therapy per day for 4 weeks,
using the device developed by us. Conventional physical
therapies were conducted equally twice a day, 30 minutes per
session, during the same period in both groups.
RESULTS: 
After 4 weeks, rate of the Wolf Motor Function
Test as a primary outcome measure showed significant
improvement in the intervention group as compared to control
group(p = .036). Scores of the Manual Function Test and

Fugl-Meyer Assessment of upper limb were also significantly
increased in the intervention group as compared to control
group(p = .038 and p = .042, respectively). Moreover, the
Korean version of Modified Barthel Index tended to improve
after subjecting to physical therapy in both groups.
CONCLUSION: 
Our results indicate that the novel hand
rehabilitation device developed using a magnetic force,
improves the hand motor functions and activities of daily life
in subacute stroke patients.
Key Words: Hand, Rehabilitation, Robotics, Stroke, Upper
extremity

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