HIGHLIGHTS

• Innovative Rehabilitation for Stroke Patients and the Elderly: Arm Booster, developed by Thammasat University’s CED-Square, is a low-cost, user-friendly device that supports upper-limb rehabilitation by using a bilateral training mechanism based on the motor transfer concept.
• Advanced Biomechanical Design: The device features three degrees of movement, a weight compensation system, load cell sensors, and real-time visual feedback, offering natural motion and progress monitoring. Future plans include gamification to boost patient motivation.
• Proven Impact and Recognition: Arm Booster has been deployed in Thai healthcare facilities and was awarded a Gold Award at i-CREATe 2022 in Hong Kong, confirming its potential and international appeal.
• Scalable, Accessible Innovation for Public Health: With support from the Science, Research and Innovation Promotion Fund (SRIP) and accolades from the NRCT, Arm Booster is poised to improve rehabilitation outcomes nationwide and set a model for affordable healthcare innovation globally.

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In an era where Thai society is facing the increasing challenge of a continuous rise in stroke patients and a rapid shift towards an aging population, the need for effective and easily accessible rehabilitation equipment is paramount. Amidst this situation, “Arm Booster” has emerged as an innovative beacon of hope, developed by researchers from Thammasat University. This device not only aids in the rehabilitation of arm function for stroke patients but is also extremely beneficial for the elderly in maintaining their physical strength and preserving their independence in daily life.

Arm Booster: Working Principles and Underlying Technology

Arm Booster is an arm training device that employs a symmetrical reflection mechanism. This means that the user exercises their weaker arm by using their stronger arm as a guide. This design is based on the concept of motor transfer, which posits that the neural pathways associated with the movement of the functional arm can help stimulate and train the muscles of the weaker arm.

The technology behind Arm Booster comprises:

• Bilateral Arm Therapy: The device is designed for simultaneous exercise of both arms, which promotes balanced muscle development and reinforces the brain’s memory of arm function.
• Three Degrees of Freedom: The device can move in three planes: arm extension (Y-axis), arm elevation (Z-axis), and arm abduction (X-axis). This allows for arm rehabilitation that is natural and closely mimics everyday movements.
• Weight Compensation System: The device features a spring system to compensate for the weight of the device’s structure. This reduces the effort required by the user, particularly those with significant muscle weakness.
• Sensor Integration: The device is equipped with load cell sensors on both handles to measure the force exerted by the weaker arm in real-time. This enables precise monitoring of progress.
• Visual Feedback: A screen displays real-time data from the sensors, along with status lights that provide visual cues about the effort being exerted by the weaker arm, actively engaging the patient in the exercise.
• Potential for Gamification: Future development plans include integrating a gaming system to enhance enjoyment and motivation during use. This will make therapy less tedious and encourage patients to continue regularly.

From Research to Real-World Application: The Arm Booster Journey

Arm Booster is the brainchild of the Centre of Excellence in Creative Engineering Design and Development (CED-Square) at Thammasat University, under the leadership of Assistant Professor Dr Banyong Roongrojdulyaboon, a specialist in biomechanics and machine mechanics. The development of this device was supported by the Science, Research and Innovation Promotion Fund (SRIP) and received a “Very Good” invention award from the National Research Council of Thailand (NRCT), a testament to the quality and potential of this innovation.

Tangible Benefits: Transforming Patients’ Lives

Consistent and continuous use of Arm Booster can lead to significant changes in the lives of stroke patients and the elderly:

• Improved Muscle Strength and Range of Motion: Repetitive and assisted movements with Arm Booster can stimulate muscle growth and improve joint flexibility.
• Enhanced Coordination and Fine Motor Control: Bilateral training helps stimulate new neural pathways and improves coordination between both arms.
• Promoted Stroke Recovery and Reduced Disability: Arm Booster provides a structured and supported environment for high-intensity repetitive training, which is essential for promoting neuroplastic changes in the brain.
• Maintained Muscle Strength in the Elderly and Promoted Independence: Regular exercise using Arm Booster helps the elderly maintain the strength and dexterity of their upper limbs, making it easier for them to perform daily activities.

Accessibility and Acceptance: Scaling Up for Society

Arm Booster has been implemented in various healthcare facilities across Thailand, such as the Bueng Yi Tho Medical and Rehabilitation Centre in Pathum Thani Province and the Nong Sida Sub-district Health Promoting Hospital in Saraburi Province. Furthermore, it received a Gold Award at i-CREATe 2022 in Hong Kong, demonstrating international recognition.

A Bright Future: Continuous Advancement and Development

Arm Booster holds significant potential to elevate the quality of life for stroke patients and the elderly in Thailand. With its accessible price and outstanding efficacy, this device will be another crucial medical innovation for Thailand and serve as a model for other developing countries in developing innovations for public healthcare.