Rehabilitative Finger Mount to assist Finger Movement in Chronic Stroke Patients

The input analog signal is sensed by an operational amplifier and the data obtained is converted into digital value by an analog to digital converter and sent to a micro controller that determines the output for the stepper motor that moves the fingers of the patient's hand. A strain gauge sens...

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Bibliographic Details
Published in:Research journal of pharmacy and technology 2017-04, Vol.10 (4), p.1034
Main Authors: Divakaran, Sindu, Bethanney, Janney J, Umashankar, G, Nangai, V Leena
Format: Article
Language:English
Subjects:
Activities of daily living
Brain research
Bridges
Fingers & toes
Patients
Receivers & amplifiers
Rehabilitation
Robotics
Sensors
Strain gauges
Stroke
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Description
Summary:The input analog signal is sensed by an operational amplifier and the data obtained is converted into digital value by an analog to digital converter and sent to a micro controller that determines the output for the stepper motor that moves the fingers of the patient's hand. A strain gauge sensor is hence selected The majority of strain gauges are foil types, available in a wide variety of shapes and sizes to suit a variety of applications. The stepper motor model used in the prototype operates with a 10V supply and draws .85 amperes per phase of current. Since the stepper motor was the major consumer of energy in this design, its energy data were used to approximate the energy usage of the prototype. The motor can be programmed for different speeds and different angles depending on how much input/pressure the user applies. Since the mechanical part of the device works based on the cam lever mechanism, it will restrict the movement of fingers to certain extent for safeness.
ISSN:0974-3618
0974-360X
0974-306X
DOI:10.5958/0974-360X.2017.00187.1