Rehand Lightweight robotic solution for REHABILITATION OF FINGER/THUMB MANIPULATION and FUNCTIONAL GRASP
Rehand ReHand:
What is it? The ReHand is a patent-protected, lightweight robotic solution for rehabilitation of finger/thumb manipulation and functional grasp. The modular hand rehabilitation system is designed to target a large range of hand impairments (from mild to severe) following stroke. The system is intended to be used as a standalone device or in conjunction with arm rehabilitation systems, such as TECNALIA’s ArmAssist system. In both scenarios, the device is compatible with virtual training software interfaces such as TECNALIA’s ReHub. The ReHand module provides force assistance to the thumb and fingers in flexion and extension and allows sufficient thumb mobility to enable training of essential styles of grasp as well as independent control of at least 3 digits: index, thumb and coupled middle, ring and little fingers.
Features Portable and modular.
Lightweight robotic solution for rehabilitation of finger/thumb manipulation and functional grasp
Why ReHand Impaired subjects have difficulty in finger extension. Healthy subjects most often use fingers in extension during grasp tasks - where moderate to severe patients can’t reach. Design is focused on extension exercise, but control allows both actuation directions (flexion + extension). Real sensorial (tactile) feedback is preferred over artificial (e.g. vibrotactile stimulation). ReHand fingertips are unobstructed. Main focus for clinicians is on EARLY rehabilitation of subacute patients; basic movements are primary focus. Independent movement for each finger highly desirable (not necessarily simultaneous). Thumb: one active flexion/extension DoF; manually adjustable adduction/abduction. Sensors: force & position, for clinical assessment. Compliant structure. Clinically validated (18 stroke patients).
Lightweight (1kg) and wearable. Independent finger actuation.
Training Scope
Business Opportunity / Partnership Generate technical requirements. Alternative concepts analysis and selection.
Task-oriented hand/finger training.
Proof of concept.
Ergonomic correct finger flexion/extension movements.
Functional prototype.
Constrains fingertips along their natural, stereotypical trajectories for grasping.
Pilot testing and usability testing.
Appropriate for clinical and home use.
Prototype redesign (if necessary/desired). Clinical study (if necessary/desired). License agreement and technology transfer.
TECNALIA TECNALIA is the first privately funded applied research and technological development centre in Spain and one of the leading such centres in Europe. With a workforce of 1,500 highly qualified people, a 110 million Euros turnover and a portfolio with over 4,000 clients, TECNALIA focuses its activity towards transforming knowledge into GDP to improve people's quality of life, by creating business opportunities for companies.
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"TECNALIA transforms Technology into GDP to improve People's quality of life by generating business opportunities for Companies"
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: Garbiñe Atorrasagasti . garbine.atorrasagasti@tecnalia.com Goran Bijelic . goran.bijelic@tecnalia.com
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Rehand
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