Posts Tagged rebotics
[Abstract] Pre-therapeutic Device for Post-stroke Hemiplegic Patients’ Wrist and Finger Rehabilitation
This paper suggests a pre-therapeutic device for post-stroke hemiplegic patients’ wrist and finger rehabilitation both to decrease and analyze their muscle tones before the main physical or occupational therapy.
We designed a robot which consists of a BLDC motor, a torque sensor, linear motion guides and bearings. Mechanical structure of the robot induces flexion and extension of wrist and finger (MCP) joints simultaneously with the single motor. The frames of the robot were 3D printed. During the flexion/extension exercise, angular position and repulsive torque of the joints are measured and displayed in real time.
A prototype was 3D printed to conduct preliminary experiment on normal subject. From the neutral joint position (midway between extension and flexion), the robot rotated 120 degrees to extension direction and 30 degrees to flexion direction. First, the subject used the machine with the usual wrist and finger characteristics without any tones. Second, the same subject intentionally gave strength to the joints in order to imitate affected upper limb of a hemiplegic patient. During extension exercise, maximum repulsive torque of the normal hand was 2 Nm whereas that of the firm hand was almost 5 Nm. The result revealed that the device was capable enough to not only rotate rigid wrist and fingers with the novel robotic structure, but also present quantitative data such as the repulsive torque according to the joint orientation as an index of joint spasticity level.
We are planning to improve the system by applying torque control and arranging experiments at hospitals to obtain patients’ data and feedbacks to meet actual needs in the field.
via Indian Journals
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[WEB SITE] Global Wearable Robots, Exoskeletons Robot Market 2015 Forecast to Industry Size, Shares, Strategies, Trends, and Growth 2021
A new study Wearable Robots, Exoskeletons Market Shares, Strategy, and Forecasts, Worldwide, 2015 to 2021. Wearable Robots, Exoskeletons leverage better technology, they support high quality, lightweight materials and long life batteries. Wearable robots, exoskeletons are used for permitting paraplegic wheel chair patients walk. They are used to assist with weight lifting for workers: Designs with multiple useful features are available. The study has 421 pages and 161 tables and figures.
Wearable robots, exoskeletons units are evolving additional functionality rapidly. Wearable robots functionality is used to assist to personal mobility via exoskeleton robots. They promote upright walking and relearning of lost functions. Exoskeletons are helping older people move after a stroke. Exoskeleton s deliver higher quality rehabilitation, provide the base for a growth strategy for clinical facilities.
Exoskeletons support occupational heavy lifting. Exoskeletons are poised to play a significant role in warehouse management, ship building, and manufacturing. Usefulness in occupational markets is being established. Emerging markets promise to have dramatic and rapid growth.
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Industrial workers and warfighters can perform at a higher level when wearing an exoskeleton. Exoskeletons can enable paraplegics to walk again. Devices have the potential to be adapted further for expanded use in healthcare and industry. Elderly people benefit from powered human augmentation technology. Robots assist wearers with walking and lifting activities, improving the health and quality of life for aging populations.
Exoskeletons are being developed in the U.S., China, Korea, Japan, and Europe. They are useful in medical markets. They are generally intended for logistical and engineering purposes, due to their short range and short battery life. Most exoskeletons can operate independently for several hours. Chinese manufacturers express hope that upgrades to exoskeletons extending the battery life could make them suitable for frontline infantry in difficult environments, including mountainous terrain.
Robotics has tremendous ability to support work tasks and reduce disability. Disability treatment with sophisticated exoskeletons is anticipated to providing better outcomes for patients with paralysis due to traumatic injury. With the use of exoskeletons, patient recovery of function is subtle or non existent, but getting patients able to walk and move around is of substantial benefit, People using exoskeleton robots are able to make continued progress in regaining functionality even years after an injury.
Rehabilitation robotic technologies developed in the areas of stroke rehabilitation and SCI represent therapeutic interventions with utility at varying points of the continuum of care. Exoskeletons are a related technology, but provide dramatic support for walking for people who simply cannot walk.
Parker Hannifin Indego intends to include functional electrical stimulation. It accelerates recovery of therapy in every dimension. Implementation in these kinds of devices is a compelling use of the electrical stimulation technology.
It is a question of cost. The insurance will only pay for a small amount of exoskeleton rehabilitation. More marketing will have a tremendous effect in convincing people that they can achieve improvements even after years of effort.
Rehabilitation robotics includes development of devices for assisting performance of sensorimotor functions. Devices help arm, hand, leg rehabilitation by supporting repetitive motion that builds neurological pathways to support use of the muscles. Development of different schemes for assisting therapeutic training is innovative. Assessment with sensorimotor performance helps patients move parts of the body that have been damaged.
Exoskeletons are used mainly as therapy aids in this manner, highly targeted, highly specific as to how much movement is supported at any one time. Learning how to walk for a wheelchair bound patient or relearning of lost functions in a patient depends on stimulation of desire to conquer the disability. Effective tools help incent desire of the patient to get better.
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Initially when a market is just developing and it is going through the early adopter phase, penetration analysis is an appropriate balance to growth %. The penetration analysis for wearable robots is still too small to be useful but it is useful to bear in mind that there is tremendous upside to this market.
[PRESS RELEASE] Novel robotic walker invented by NUS researchers helps patients regain natural gait and increases productivity of physiotherapists
Survivors of stroke or other neurological conditions such as spinal cord injuries, traumatic brain injuries and Parkinson’s disease often struggle with mobility. To regain their motor functions, these patients are required to undergo physical therapy sessions. A team of researchers from the National University of Singapore’s (NUS) Faculty of Engineering has invented a novel robotic walker that helps patients carry out therapy sessions to regain their leg movements and natural gait. The system also increases productivity of physiotherapists and improves the quality of rehabilitation sessions.
Designed by a team of researchers led by Assistant Professor Yu Haoyong from the NUS Department of Biomedical Engineering, the robotic walker is capable of supporting a patient’s weight while providing the right amount of force at the pelvis of the patient to help the patient walk with a natural gait. In addition, quantitative data can be collected during the therapy sessions so that doctors and physiotherapists can monitor the progress of the patient’s rehabilitation…
[ARTICLE] Assessment-driven selection and adaptation of exercise difficulty in robot-assisted therapy: a pilot study with a hand rehabilitation robot
Selecting and maintaining an engaging and challenging training difficulty level in robot-assisted stroke rehabilitation remains an open challenge. Despite the ability of robotic systems to provide objective and accurate measures of function and performance, the selection and adaptation of exercise difficulty levels is typically left to the experience of the supervising therapist.
We introduce a patient-tailored and adaptive robot-assisted therapy concept to optimally challenge patients from the very first session and throughout therapy progress. The concept is evaluated within a four-week pilot study in six subacute stroke patients performing robot-assisted rehabilitation of hand function. Robotic assessments of both motor and sensory impairments of hand function conducted prior to the therapy are used to adjust exercise parameters and customize difficulty levels. During therapy progression, an automated routine adapts difficulty levels from session to session to maintain patients? performance around a target level of 70%, to optimally balance motivation and challenge.
Robotic assessments suggested large differences in patients? sensorimotor abilities that are not captured by clinical assessments. Exercise customization based on these assessments resulted in an average initial exercise performance around 70% (62%?20%, mean?std), which was maintained throughout the course of the therapy (64%?21%). Patients showed reduction in both motor and sensory impairments compared to baseline as measured by clinical and robotic assessments. The progress in difficulty levels correlated with improvements in a clinical impairment scale (Fugl-Meyer Assessment) (rs = 0.70), suggesting that the proposed therapy was effective at reducing sensorimotor impairment.
Initial robotic assessments combined with progressive difficulty adaptation have the potential to automatically tailor robot-assisted rehabilitation to the individual patient. This results in optimal challenge and engagement of the patient, may facilitate sensorimotor recovery after neurological injury, and has implications for unsupervised robot-assisted therapy in the clinic and home environment.
The complete article is available as a provisional PDF. The fully formatted PDF and HTML versions are in production.
[ARTICLE] Clinical effects of using HEXORR (Hand Exoskeleton Rehabilitation Robot) for movement therapy in stroke rehabilitation
…The goals of this pilot study were to quantify the clinical benefits of using the Hand Exoskeleton Rehabilitation Robot for hand rehabilitation after stroke and to determine the population best served by this intervention…
TYROMOTION is one of the world-wide leading providers and distributers of robotic- and computer aided rehabilitation devices. The company with the headquarters in Graz, Austria, has subsidiaries in Germany and the United States as well as two therapy institutes in Germany and Austria. The distributer-network spread across the globe. The company is focused on the research & development of innovative rehabilitation technologies for the sector of neurorehabilitation for the upper extremity.
With the products AMADEO (Finger-Rehabilitation), PABLO (Hand-Rehabilitation), TYMO (postural control as well as balance training) and DIEGO (arm-rehabilitation), a portfolio for all phases of upper extremity rehabilitation was developed. In addition to that, the therapy software provides with a pool of feedback- and measurement modules and different therapy games for the rehabilitation. The rehabilitation-solutions are for children and adults with neurological and orthopaedic injuries.