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Leading Companies in Cognitive Rehabilitation to Robotic Rehabilitation, Pioneering the Latest Innovative Technologies
Distinctive Competitiveness Through Novel Ideas and Innovative Technologies

Cotras is a company that strives to contribute to the convenience of patients and the promotion of public health by developing proprietary IT rehabilitation medical technologies.

It is dedicated to the rapid and accurate development of medical technologies. The company has developed cognitive computer programs for stroke and dementia patients and has supplied them to over 2,000 hospitals nationwide, including major hospitals and approximately 200 public health centers.

■ R-BoT= The “Robot-Assisted Orthopedic Exercise Device R-BoT” is a medical device developed by Cotras. This device is designed for rehabilitation purposes and is targeted towards individuals with central nervous system damage, including those with severe hemiplegia, stroke, lower limb paralysis, and spinal cord injuries. The primary goal of R-BoT is to assist users in muscle reconstruction, joint movement recovery, maintaining an initial standing posture, and supporting pre-walking rehabilitation.
R-BoT incorporates advanced technologies, including BLDC (Brushless Direct Current) motors and a touchscreen scroll control system. These features enable users to engage in continuous lower limb exercises while lying down or in an upright position. The device is capable of adjusting parameters such as speed, stride, incline, etc., tailored to the user’s condition. It also utilizes surface electrode functional electrical stimulation (FES) to alleviate physical disabilities and enhance overall motor capabilities.

Offering three distinct modes—Active, Passive, and Resistive—R-BoT provides users with the flexibility to choose between manual and active joint movement for both long-term and severe users. The device generates auxiliary forces based on the selected mode and the user’s movement and force intensity. This assists users in performing various exercises and contributes to the enhancement of their motor skills.

R-BoT aims to provide personalized and effective rehabilitation by offering features such as real-time monitoring of the user’s condition, visual feedback through VR and 3D imaging, heart rate measurement, and functionalities for preventing orthostatic hypotension and osteoporosis. Overall, it serves as an innovative tool for physical therapists, hospital staff, and patients, contributing to the effectiveness of rehabilitation efforts.

■Mobilise= “Mobilise” is a senior-friendly medical device developed by Cotras, targeting elderly individuals with muscle atrophy and degenerative knee osteoarthritis. This device provides customized, step-by-step training based on the pattern of lower limb muscle function degradation. It diagnoses the
lower limb muscle function of elderly individuals, evaluates rehabilitation effects, and distinguishes itself from conventional rehabilitation devices that mainly focus on muscle strength enhancement. It has been classified as a Class II medical device in the United States, acknowledging its effectiveness and safety.

Mobilise offers tailored training for the degradation of lower limb muscle function in elderly individuals, supporting neuro-muscular control training through eccentric muscle contractions, visual muscle strength training, lower limb pivoting, knee internal rotation biofeed- back, and more.

Utilizing virtual reality (VR) technology, Mobilise allows the assessment of balance and motor function before and after training for lower limb rehabilitation. It incorporates markerless augmented reality (AR) technology, featuring advanced techniques such as lower limb posture biofeedback, proprioceptive evaluation, and other cutting-edge technologies.

The device also includes technologies like selectable muscle training directions, muscle contraction and relaxation through Functional Electrical Stimulation (FES), selective strengthening of lower limb muscles using surface electromyography (sEMG) mechanism, posture maintenance, and enhancement of proprioception.

Cotras, in collaboration with Bundang Seoul National University Hospital, the Korea Institute of Science and Technology (KIST), Ulsan National Institute of Science and Technology(UNIST), and others, received support for the development of Mobilise as part of a national project from the Ministry of Health and Welfare’s Medical Device Research and Development Program. They plan to leverage the
Integrated Examination System for Innovative Medical Devices to designate Mobilise as an innovative medical device, with the goal of applying insurance coverage through efficacy verification via clinical trials.

Cotras is actively involved in the develop-ment of various medical devices, including Mobilise. Through the Daejeon City Software Medical Device Specialized Support Project, they export digital visual exercise integrated solutions and robot-assisted orthopedic exercise devices overseas. Cotras has future plans to pursue increased revenue, corporate IPOs, and potential listing on the KOSDAQ.

■ 3D smart exercise= “Smart Exercise” is a smart exercise rehabilitation device designed for elderly individuals, wheelchair users, and stroke patients who require rehabilitation exercises. This device utilizes training content to seamlessly integrate virtual scenarios with real rehabilitation exercises in real-time, allowing for effective training of both active and passive movements.

Users have the option to choose between Passive (manual) and Active (volitional) modes, enabling tailored training based on the required exercise level for wheelchair users or elderly individuals. The device is equipped with a function to control spasms, allowing users to adjust parameters such as speed, resistance, time, and rotation direction according to their preferences.

The device allows users to adjust pedal positions to suit their needs, and the Bio Feedback feature enables real-time monitoring of the effectiveness of exercises. Additionally, considering user convenience, the device includes a navigation bar for easy functionality, and it is designed with a 10.1-inch touchscreen tablet for user-friendly interaction.

“Smart Exercise” aims to provide users with high convenience and personalized training programs to maximize the effectiveness of rehabilitation and exercise. It serves as a smart exercise rehabilitation device, emphasizing user-friendly features and customized training programs.

■Cotras-VR= “Cotras-VR” is virtual reality (VR) software utilized for therapy and rehabilitation. Combining hardware and software, it creates a three-dimensional graphic representation of specific locations or scenarios, providing users with an environment closely resembling reality. Through VR software, users can experience motions and movements that might be challenging in real-life situations, maximizing the effectiveness of therapy and rehabilitation. Using Meta-Quest-2, users can recover sensor movements by reaching out or performing other movements.

By immersing users in environments that are difficult to experience in reality, complete with realistic 3D graphics and motion, “Cotras-VR” allows individuals to feel the effects of everyday life in settings like traditional markets, classrooms, or homes. Users can enhance their daily movements and activities by completing missions and reviewing results.

“Cotras-VR” offers an effective environment for various therapeutic and rehabilitation purposes through realistic and impactful virtual reality technology.