Functional Outcome Measures With Vibrotactile Feedback to Prostheses
NCT ID: NCT02749643
Last Updated: 2018-06-27
Study Results
The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.
Basic Information
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COMPLETED
NA
10 participants
INTERVENTIONAL
2016-04-30
2018-02-28
Brief Summary
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Detailed Description
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1. Investigators will add vibrotactile feedback to prosthetic users during the execution of a standardized functional test and performance of simple grasping tasks, with a disruption to the normal visual feedback, and examine whether their performance and arm kinematics are improved with tactile feedback;
2. Investigators will examine the effects of adding the feedback to a prosthesis on the performance and visual attention during a dual task assignment in prosthetic users, and
3. Investigators will provide prosthetic users with the feedback, to use it at their natural surroundings for a week, and study the reported activity and satisfaction levels.
Conditions
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Study Design
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NA
SINGLE_GROUP
TREATMENT
NONE
Study Groups
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Vibrotactile feedback
Vibrotactile system - comprises of force sensors, attached to the fingertips of the prosthetic hand, and a set of 8 vibration actuators attached to a fabric arm cuff. When the subject applies force on the sensors with his prosthetic hand, he receives a vibration on the skin of his arm. The sensors and actuators are connected to an electronic control board, which transforms the resistance from the sensors to an electric signal that activates the vibration actuators.
Vibrotactile feedback system
Interventions
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Vibrotactile feedback system
Eligibility Criteria
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Inclusion Criteria
* Using a transradial myoelectric prosthesis
* Ability to follow simple instructions, understand and sign an informed consent form
* Normal or corrected eyesight
Exclusion Criteria
* Neuropathy or skin ulcers on the amputated limb
18 Years
80 Years
ALL
No
Sponsors
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Tel Aviv University
OTHER
Hadassah Medical Organization
OTHER
Responsible Party
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Isabella Shvartz
Director, clinical research
Principal Investigators
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Sigal Portnoy, PhD
Role: STUDY_DIRECTOR
Hadassah Medical Organization
Locations
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Hadassah Medical Center
Jerusalem, , Israel
Countries
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References
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Clemente F, D'Alonzo M, Controzzi M, Edin BB, Cipriani C. Non-Invasive, Temporally Discrete Feedback of Object Contact and Release Improves Grasp Control of Closed-Loop Myoelectric Transradial Prostheses. IEEE Trans Neural Syst Rehabil Eng. 2016 Dec;24(12):1314-1322. doi: 10.1109/TNSRE.2015.2500586. Epub 2015 Nov 13.
Raveh E, Portnoy S, Friedman J. Myoelectric Prosthesis Users Improve Performance Time and Accuracy Using Vibrotactile Feedback When Visual Feedback Is Disturbed. Arch Phys Med Rehabil. 2018 Nov;99(11):2263-2270. doi: 10.1016/j.apmr.2018.05.019. Epub 2018 Jun 20.
Other Identifiers
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VTF- HMO-CTIL
Identifier Type: -
Identifier Source: org_study_id
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